The acceleration of the masculine in early-twentieth-century Berlin.

Science.gov (United States)

Prickett, David James

2012-01-01

In early-twentieth-century Berlin, agents of speed and industrialisation, such as the railway, contributed to the seemingly unbridled velocity of urban life. Doctors and cultural critics took an ambivalent stance toward the impact of speed and technology on the human body. Critics argued that these factors, in conjunction with sexual excess and prostitution, accelerated the sexual maturation of young men, thereby endangering ‘healthy’ male sexuality. This comparison of Hans Ostwald's socio-literary study Dunkle Winkel in Berlin (1904) with Georg Buschan's sexual education primer Vom Jüngling zum Mann (1911) queries the extent to which speed shaped the understanding of ‘the masculine’ in pre-World-War-I Germany. The essay thus examines Ostwald's and Buschan's arguments and postulates that speed in the city (Berlin) can be seen as a feminised, sexualised force that determined sex in the city. According to this reading, the homosexual urban dandy resisted the accelerated modernist urban tempo, whereas the heterosexual man and hegemonic, heteronormative masculinity yielded to speed. ‘“Das Verhältnis”’ became a fleeting, momentary alternative to stable marital relationships, which in turn contributed to the general ‘crisis’ of – and in– masculinity in early-twentieth-century Berlin.

Twentieth Century evolution of machining in the United States – An ...

Indian Academy of Sciences (India)

R. Narasimhan (Krishtel eMaging) 1461 1996 Oct 15 13:05:22

beginning of the Industrial Revolution in the late 1700's, virtually no ... expected that, by the middle of the 19th Century, as machine tools began to be manufactured .... Twentieth Century evolution of machining in the United States. 873. DESIGN ... Merchant M E 1961 The manufacturing system concept in production ...

Crisis, change and creativity in science and technology: chemistry in the aftermath of twentieth-century global wars.

Science.gov (United States)

Johnson, Jeffrey Allan

2011-07-01

This paper presents the organising ideas behind the symposium "Chemistry in the Aftermath of World Wars," held at the 23rd International Congress of History of Science and Technology, Budapest, 2009, whose theme was "Ideas and Instruments in Social Context." After first recounting the origins of the notion of "crisis" as a decisive turning point in general history as well as in the history of science, the paper presents war and its aftermath as a form of crisis that may affect science and technology, including chemistry, in a variety of contexts and leading to a variety of types of change. The twentieth-century world wars were exemplary forms of crisis, whose aftermaths shaped the contexts for decisive changes in modern chemistry, which continue to offer challenging opportunities for historical research. In discussing these, the paper cites selected current literature and briefly describes how the individual papers of the symposium, including the three papers published in this volume, approached these challenges.

Monolingualism and Prescriptivism: The Ecology of Slovene in the Twentieth Century

Science.gov (United States)

Savski, Kristof

2018-01-01

This paper examines the ecology of Slovene in the twentieth century by focusing on two key emergent themes. It focuses firstly on monolingualism as a key goal for Slovene language planners, starting with their efforts to create a standard language with no German influences in the nineteenth century, and continuing in their work to prevent…

Mutant utopias: evening primroses and imagined futures in early twentieth-century America.

Science.gov (United States)

Endersby, Jim

2013-09-01

Hugo de Vries's mutation theory is now little more than a footnote to the history of biology, a failed theory that briefly led a few biologists astray. However, for the first quarter of the twentieth century it attracted considerable attention from both professional biologists and laypeople. De Vries's theory--together with the plant, Oenothera lamarckiana, that had supplied most of his evidence--became the focus of a surprising variety of imaginative hopes. Scientists and their various publics were fascinated by the utopian possibilities that the primrose seemed to offer, and their discussions shaped a public culture around biology that would help define the twentieth century as the "century of the gene." From a conventional history of science perspective (which, in the case of twentieth-century biology, often remains focused on the content of scientific theories and the professional communities that shaped them), the mutation theory seems unimportant. However, while De Vries's new theory of evolution ultimately failed to persuade the scientific community, it was much more important than is now realized, particularly because it helped make biology part of a wide variety of public debates. Understanding the mutation theory's story more fully suggests that we may need to rethink much of the rest of the century of the gene's history, to think less in terms of what happened in the lab and more about how biology came to function as public culture.

The reinvention of twentieth century microscopy for three-dimensional imaging.

Science.gov (United States)

Whitehead, Lachlan W; McArthur, Kate; Geoghegan, Niall D; Rogers, Kelly L

2017-07-01

In just over a decade, the field of biomedical research has witnessed a radical evolution in technologies for the 3- and 4-dimensional imaging of biological samples. Light sheet fluorescence microscopy is quickly developing into a powerful approach for fast, volumetric imaging of cells, tissues and living organisms. This review touches on the development of 3-dimensional imaging, from its foundations, namely from the invention of confocal microscopy in the twentieth century to more recent examples, notably the IsoView SPIM, the Lattice Light Sheet Microscope and swept confocally aligned planar excitation. These technologies overcome the limitations of conventional optical sectioning techniques and enable unprecedented levels of spatio-temporal resolution with low levels of phototoxicity. Developing in parallel with powerful computational approaches, light sheet based methods promise to completely transform cell biology as we know it today.

Mythologies and Panics: Twentieth Century Constructions of Child Prostitution

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Brown, Alyson

2004-01-01

This paper examines twentieth century social constructions of child prostitutes and child prostitution, the origins of these representations and the extent to which they have been used as metaphors for other perceived social, economic and political problems. It is important to recognise that these children have been sexually abused and that…

Changes in African smallholder agriculture in the twentieth century ...

African Journals Online (AJOL)

Changes in African smallholder agriculture in the twentieth century and the challenges of the twenty-first. ... These occurred in situations where the growing of perennial crops or access to markets encouraged people to abandon a truly shifting cultivation for a more static lifestyle. A striking feature of these developments was ...

Learning Early Twentieth-Century History through First-Person Interviews

Science.gov (United States)

Lark, Lisa A.

2007-01-01

For many of the students in the author's American history class, early twentieth-century American history seems far removed from their daily lives. Being first and second-generation American citizens, many of the students do not have the luxury of hearing grandparents and great-grandparents telling stories about FDR and Henry Ford. More…

Twentieth century Walker Circulation change: data analysis and model experiments

Energy Technology Data Exchange (ETDEWEB)

Meng, Qingjia [Leibniz-Institut fuer Meereswissenschaften, Kiel (Germany); Chinese Research Academy of Environmental Sciences, River and Coastal Environment Research Center, Beijing (China); Chinese Academy of Sciences, Key Laboratory of Ocean Circulation and Waves, Institute of Oceanology, Qingdao (China); Latif, Mojib; Park, Wonsun; Keenlyside, Noel S.; Martin, Thomas [Leibniz-Institut fuer Meereswissenschaften, Kiel (Germany); Semenov, Vladimir A. [Leibniz-Institut fuer Meereswissenschaften, Kiel (Germany); A.M. Obukhov Institute of Atmospheric Physics, Russian Academy of Sciences, Moscow (Russian Federation)

2012-05-15

Recent studies indicate a weakening of the Walker Circulation during the twentieth century. Here, we present evidence from an atmospheric general circulation model (AGCM) forced by the history of observed sea surface temperature (SST) that the Walker Circulation may have intensified rather than weakened. Observed Equatorial Indo-Pacific Sector SST since 1870 exhibited a zonally asymmetric evolution: While the eastern part of the Equatorial Pacific showed only a weak warming, or even cooling in one SST dataset, the western part and the Equatorial Indian Ocean exhibited a rather strong warming. This has resulted in an increase of the SST gradient between the Maritime Continent and the eastern part of the Equatorial Pacific, one driving force of the Walker Circulation. The ensemble experiments with the AGCM, with and without time-varying external forcing, suggest that the enhancement of the SST gradient drove an anomalous atmospheric circulation, with an enhancement of both Walker and Hadley Circulation. Anomalously strong precipitation is simulated over the Indian Ocean and anomalously weak precipitation over the western Pacific, with corresponding changes in the surface wind pattern. Some sensitivity to the forcing SST, however, is noticed. The analysis of twentieth century integrations with global climate models driven with observed radiative forcing obtained from the Coupled Model Intercomparison Project (CMIP) database support the link between the SST gradient and Walker Circulation strength. Furthermore, control integrations with the CMIP models indicate the existence of strong internal variability on centennial timescales. The results suggest that a radiatively forced signal in the Walker Circulation during the twentieth century may have been too weak to be detectable. (orig.)

Ocean heat content variability in an ensemble of twentieth century ocean reanalyses

Science.gov (United States)

de Boisséson, Eric; Balmaseda, Magdalena Alonso; Mayer, Michael

2017-08-01

This paper presents a ten-member ensemble of twentieth century Ocean ReAnalyses called ORA-20C. ORA-20C assimilates temperature and salinity profiles and is forced by the ECMWF twentieth century atmospheric reanalysis (ERA-20C) over the 1900-2010 period. This study attempts to identify robust signals of ocean heat content change in ORA-20C and detect contamination by model errors, initial condition uncertainty, surface fluxes and observing system changes. It is shown that ORA-20C trends and variability in the first part of the century result from the surface fluxes and model drift towards a warmer mean state and weak meridional overturning circulation. The impact of the observing system in correcting the mean state causes the deceleration of the warming trend and alters the long-term climate signal. The ensemble spread reflects the long-lasting memory of the initial conditions and the convergence of the system to a solution compatible with surface fluxes, the ocean model and observational constraints. Observations constrain the ocean heat uptake trend in the last decades of the twentieth century, which is similar to trend estimations from the post-satellite era. An ocean heat budget analysis attributes ORA-20C heat content changes to surface fluxes in the first part of the century. The heat flux variability reflects spurious signals stemming from ERA-20C surface fields, which in return result from changes in the atmospheric observing system. The influence of the temperature assimilation increments on the heat budget is growing with time. Increments control the most recent ocean heat uptake signals, highlighting imbalances in forced reanalysis systems in the ocean as well as in the atmosphere.

Intellectual Portraits: Politics, Professions and Identity in Twentieth-Century England

Science.gov (United States)

Martin, Jane

2014-01-01

This article brings together six talented women historians in twentieth-century England whose scholarly productions helped shape modern historical practice but who are little known in the canonical accounts of history-writing in the period. The author is looking to map and describe historical communities from a grounded and qualitative perspective…

Biography of a technology: North America's power grid through the twentieth century

Science.gov (United States)

Cohn, Julie A.

North Americans are among the world's most intense consumers of electricity. The vast majority in the United States and Canada access power from a network of transmission lines that stretch from the East Coast to the West Coast and from Canada to the Mexican Baja. This network, known as the largest interconnected machine in the world, evolved during the first two thirds of the twentieth century. With the very first link-ups occurring at the end of the 1890s, a wide variety of public and private utilities extended power lines to reach markets, access and manage energy resources, balance loads, realize economies of scale, provide backup power, and achieve economic stability. In 1967, utility managers and the Bureau of Reclamation connected the expansive eastern and western power pools to create the North American grid. Unlike other power grids around the world, built by single, centrally controlled entities, this large technological system emerged as the result of multiple decisions across eighty-five years of development, and negotiations for control at the economic, political, and technological levels. This dissertation describes the process of building the North American grid and the paradoxes the resulting system represents. While the grid functions as a single machine moving electricity across the continent, it is owned by many independent entities. Smooth operations suggest that the grid is a unified system; however, it operates under shared management and divided authority. In addition, although a single power network seems the logical outcome of electrification, in fact it was assembled through aggregation, not planning. Interconnections intentionally increase the robustness of individual sub-networks, yet the system itself is fragile, as demonstrated by major cascading power outages. Finally, the transmission network facilitates increased use of energy resources and consumption of power, but at certain points in the past, it also served as a technology of

The Long Twentieth Century and Barriers to China's Hegemonic Accession

Directory of Open Access Journals (Sweden)

John Gulick

2015-08-01

Full Text Available Giovanni Arrighi's The Long Twentieth Century is an almost unfathomably ambitious andcomplex work. Its monumentality derives from Arrighi 's conviction that the best way to handicapthe possible futures of the world capitalist geo-economy is to analyze the structural evolution ofthis global system, an evolution spanning more than five centuries; the genius of the work rests inthe distinctive approach that Arrighi takes. At the core of his approach is the identification ofthose long-term trends and accreted characteristics - one might call them "systemiccontradictions" - that promise to send the world capitalist geo-economy in a radically differentdevelopmental direction as US hegemony wanes. Arrighi 's assessment of these contradictionscompel him to make a provocative suggestion: in all likelihood, no singular concentration of stateand economic power possesses the territorial scale or the organizational capacities required tolead the global system through another round of restructuring and expansion. Properly framed,this illuminating insight could serve as the starting point for a theoretical exploration of thesocio-ecological constraints to global capitalist reproduction, but such is a journey (mostly nottaken by Arrighi in The Long Twentieth Century. In fact, to the degree that he subsequentlycontemplates the prospect of a China-centered reconstitution of the world geo-economy, Arrighimarginalizes the question of global systemic contradictions altogether.

A Sociological Look at Biofuels: Ethanol in the Early Decades of the Twentieth Century and Lessons for Today

Science.gov (United States)

Carolan, Michael S.

2009-01-01

This article develops a broad sociological understanding of why biofuels lost out to leaded gasoline as the fuel par excellence of the twentieth century, while drawing comparisons with biofuels today. It begins by briefly discussing the fuel-scape in the United States in the late nineteenth and early twentieth centuries, examining the farm…

The Era of Management: A Historical Perspective on Twentieth-Century Management

NARCIS (Netherlands)

Keulen, S.J.; Kroeze, D.B.R.

2014-01-01

The twentieth century is a special period in the history of management. It is characterised by an extraordinary dissemination and diversification of management. However, the era consists of different phases. Inspired by the work of historians and philosophers of history who wrote on periodization as

The Use of Primitivism in Some Twentieth Century Western Art ...

African Journals Online (AJOL)

FIRST LADY

primitive in its basic sense is “primary in time” and by extension under developed, simple, crude and unsophisticated. He further postulates that to him, primitive art is none of these and that the most primitive art is the Old. Stone Age cave paintings of Europe. And that a great deal of the twentieth century Western art should ...

The holist tradition in twentieth century genetics. Wilhelm Johannsen's genotype concept.

Science.gov (United States)

Roll-Hansen, Nils

2014-06-01

The terms 'genotype', 'phenotype' and 'gene' originally had a different meaning from that in the Modern Synthesis. These terms were coined in the first decade of the twentieth century by the Danish plant physiologist Wilhelm Johannsen. His bean selection experiment and his theoretical analysis of the difference between genotype and phenotype were important inputs to the formation of genetics as a well-defined special discipline. This paper shows how Johannsen's holistic genotype theory provided a platform for criticism of narrowly genocentric versions of the chromosome theory of heredity that came to dominate genetics in the middle decades of the twentieth century. Johannsen came to recognize the epoch-making importance of the work done by the Drosophila group, but he continued to insist on the incompleteness of the chromosome theory. Genes of the kind that they mapped on the chromosomes could only give a partial explanation of biological heredity and evolution. © 2014 The Author. The Journal of Physiology © 2014 The Physiological Society.

New perspectives on forced migration in the history of twentieth-century neuroscience.

Science.gov (United States)

Stahnisch, Frank W; Russell, Gül

2016-01-01

This special issue of the Journal of the History of the Neurosciences, comprised of six articles and one commentary, reflects on the multifold dimensions of intellectual migration in the neurosciences and illustrates them by relevant case studies, biographies, and surveys from twentieth-century history of science and medicine perspectives. The special issue as a whole strives to emphasize the impact of forced migration in the neurosciences and psychiatry from an interdisciplinary perspective by, first, describing the general research topic, second, by showing how new models can be applied to the historiography and social studies of twentieth-century neuroscience, and, third, by providing a deeper understanding of the impact of European émigré researchers on emerging allied fields, such as neurogenetics, biological psychiatry, psychosomatics, and public mental health, etc. as resulting from this process at large.

[Twentieth-century Penelopes: popular culture revisited].

Science.gov (United States)

Favaro, Cleci Eulalia

2010-01-01

During their settlement of the so-called Old Italian Colonies of Rio Grande do Sul, immigrants constructed a set of positive values that were to serve as an emotional support and a means of outside communication. When women immigrants embroidered images and sayings on wall hangings or kitchen towels made of rustic fabric, they helped nourish the dream of a better life, sought by all and achieved by some. The objects crafted by these twentieth-century Penelopes bear witness to a way of doing, thinking, and acting. Local museums and exhibits have fostered the recovery of old-time embroidery techniques and themes; sold at open-air markets and regional festivals, these products represent income for women whose age excludes them from the formal labor market.

‘Canonization in early twentieth-century Chinese art history’

Directory of Open Access Journals (Sweden)

Guo Hui

2014-06-01

Full Text Available Since the 1980s, the discussion of canons has been a dominant theme in the discipline of Western art history. Various concerns have emerged regarding ‘questions of artistic judgment’, ‘the history genesis of masterpieces’, ‘variations in taste’, ‘the social instruments of canonicity’, and ‘how canons disappear’. Western art historians have considered how the canon’s appearance in Western visual art embodies aesthetic, ideological, cultural, social, and symbolic values. In Chinese art history, the idea of a canon including masterpieces, important artists, and forms of art, dates back to the mid ninth century when Zhang Yanyuan wrote his painting history Record of Famous Painters of All the Dynasties. Faced with quite different political, economic, and social conditions amid the instability of the early twentieth century, Chinese scholars attempted to discover new canons for cultural orthodoxy and authority. Modern means for canonization, such as museums and exhibition displays, cultural and academic institutions, and massive art publications with image reproduction in good quality, brought the process up to an unprecedented speed. It is true that most of these means have comparable counterparts in pre-modern times. However, their enormous scope and overwhelming influence are far beyond the reach of their imperial counterparts. Through an inter-textual reading of the publications on Chinese art history in early twentieth-century China, this paper explores the transformation of canons in order to shed light on why and how canonical formation happened during the Republican period of China. Despite the diverse styles and strategies which Chinese writers used in their narratives, Chinese art historical books produced during the Republican period canonized and de-canonized artworks. In this paper, the discussion of these texts, with reference to other art historical works, comprises three parts: 1 canon formation of artistic forms

Exhibition: Linus Pauling and the Twentieth Century

CERN Document Server

2003-01-01

On April 28 the exhibit Linus Pauling and the Twentieth Century organised by UNIDIR (United Nations Institute for Disarmament Research) and SGI (Soka Gakkai International) as well as with the contributions of CERN and the University of Geneva, opened at the United Nations Office of Geneva. Linus Pauling is the only person to date to have won two unshared Nobel Prizes: Chemistry in 1954 and Peace in 1962. The first was awarded for his landmark research on the nature of the chemical bond and its application in understanding the structure of complex substances. The second one acknowledged his courageous protest against atmospheric nuclear testing and his championship of international peace. The exhibit, for audience of all ages, traces seven decades of Linus Pauling's life and influence on the 20th century. Before starting its European tour at the UNESCO headquarters in Paris, the exhibit opened in 1998 in San Francisco and then travelled within the United-States and to Japan with an attendance of more than one...

Exhibition: Linus Pauling and the Twentieth Century

CERN Document Server

2003-01-01

On April 28 the exhibit Linus Pauling and the Twentieth Century organised by UNIDIR (United Nations Institute for Disarmament Research) and SGI (Soka Gakkai International) as well as with the contributions of CERN and the University of Geneva, opens at the United Nations Office of Geneva. Linus Pauling is the only person to date to have won two unshared Nobel Prizes: Chemistry in 1954 and Peace in 1962. The first was awarded for his landmark research on the nature of the chemical bond and its application in understanding the structure of complex substances. The second one acknowledged his courageous protest against atmospheric nuclear testing and his championship of international peace. The exhibit, for all ages' audiences, traces seven decades of Linus Pauling's life and influence on the 20th century. Before starting its European tour at the UNESCO headquarters in Paris, the exhibit opened in 1998 in San Francisco and then travelled within the United-States and to Japan with an attendance of more than one m...

How to manage a revolution: Isaac Newton in the early twentieth century

Science.gov (United States)

Clarke, Imogen

2014-01-01

In the first half of the twentieth century, dramatic developments in physics came to be viewed as revolutionary, apparently requiring a complete overthrow of previous theories. British physicists were keen to promote quantum physics and relativity theory as exciting and new, but the rhetoric of revolution threatened science's claim to stability and its prestigious connections with Isaac Newton. This was particularly problematic in the first decades of the twentieth century, within the broader context of political turmoil, world war, and the emergence of modernist art and literature. This article examines how physicists responded to their cultural and political environment and worked to maintain disciplinary connections with Isaac Newton, emphasizing the importance of both the old and the new. In doing so they attempted to make the physics ‘revolution’ more palatable to a British public seeking a sense of permanence in a rapidly changing world.

Introduction: The era of management:a historical perspective on twentieth-century management

NARCIS (Netherlands)

Keulen, S.; Kroeze, D.B.R.

2014-01-01

The twentieth century is a special period in the history of management. It is characterised by an extraordinary dissemination and diversification of management. However, the era consists of different phases. Inspired by the work of historians and philosophers of history who wrote on periodization as

Twentieth-century global-mean sea level rise: Is the whole greater than the sum of the parts?

Science.gov (United States)

Gregory, J.M.; White, N.J.; Church, J.A.; Bierkens, M.F.P.; Box, J.E.; Van den Broeke, M.R.; Cogley, J.G.; Fettweis, X.; Hanna, E.; Huybrechts, P.; Konikow, Leonard F.; Leclercq, P.W.; Marzeion, B.; Oerlemans, J.; Tamisiea, M.E.; Wada, Y.; Wake, L.M.; Van de Wal, R.S.W.

2013-01-01

Confidence in projections of global-mean sea level rise (GMSLR) depends on an ability to account for GMSLR during the twentieth century. There are contributions from ocean thermal expansion, mass loss from glaciers and ice sheets, groundwater extraction, and reservoir impoundment. Progress has been made toward solving the “enigma” of twentieth-century GMSLR, which is that the observed GMSLR has previously been found to exceed the sum of estimated contributions, especially for the earlier decades. The authors propose the following: thermal expansion simulated by climate models may previously have been underestimated because of their not including volcanic forcing in their control state; the rate of glacier mass loss was larger than previously estimated and was not smaller in the first half than in the second half of the century; the Greenland ice sheet could have made a positive contribution throughout the century; and groundwater depletion and reservoir impoundment, which are of opposite sign, may have been approximately equal in magnitude. It is possible to reconstruct the time series of GMSLR from the quantified contributions, apart from a constant residual term, which is small enough to be explained as a long-term contribution from the Antarctic ice sheet. The reconstructions account for the observation that the rate of GMSLR was not much larger during the last 50 years than during the twentieth century as a whole, despite the increasing anthropogenic forcing. Semiempirical methods for projecting GMSLR depend on the existence of a relationship between global climate change and the rate of GMSLR, but the implication of the authors' closure of the budget is that such a relationship is weak or absent during the twentieth century.

Qur'anic Invocations: Narrative Temporalities in Twentieth Century Maghrebi Literature

OpenAIRE

El Shakry, Hoda

2012-01-01

"Qur'anic Invocations: Narrative Temporalities in Twentieth Century Maghrebi Literature" investigates the dialogic relationship between literary and theological discourse in modern Arabophone and Francophone literature of the Maghreb. The novels of al-Tahir Wattar, Assia Djebar, Driss Chraibi and Mahmud al-Mas'adi critically explore the complex colonial histories and conflicted articulations of national identity, language and literature in Algeria, Morocco and Tunisia. While the 130-year Fr...

Sound Objects and Sound Products: Standardizing a New Culture of Listening in the First Half of the Twentieth Century

Directory of Open Access Journals (Sweden)

Alexandra Hui

2012-12-01

Full Text Available In this chapter I develop the psychological underpinnings of environmental music towards an understanding of how the goals of cognitive and behavioral psycholo-gists contributed to a new kind of listening at the beginning of the twentieth century. I begin with an examination of nineteenth-century concerns about both the physical and psychological effects of music and fraught debate among experi-mental psychologists of the role of musical expertise in the laboratory. These con-cerns were, I argue, rooted in the assumption of a direct, corporeal connection between the generation and reception of music, usually bound within a single, individual body. In the twentieth century, new technology liberated the listener from a temporally- and geographically-bound experience of music. The Tone Tests, Re-Creation Recitals, and Mood Change “parties” of Thomas Edison and the psychologist Walter Bingham show that recording technology allowed for a normalization and standardization of listening not previously possible in the music halls and laboratories of the nineteenth century. Rather paradoxically, since it also made music more accessible to the individual listener, recorded music, mobilized by industrial psychologists and record companies alike, created a new sound experience actively designed for the lowest common denominator of mass listen-ing. It also contributed to the cultivation of a new practice of mass listening. The new mass listening practice presents broader questions about the definition of music and its functional role – If the function of music is to be ignored, is it still music?

From Bureaucracy to Professionalism: An Essay on the Democratization of School Supervision in the Early Twentieth Century.

Science.gov (United States)

Glanz, Jeffrey

In the early twentieth century, supervisors began to move toward increasing professionalism in their positions. In the late nineteenth century, supervision was characterized by bureaucratic methods in a centralized school management system. Research reveals that after the turn of the century, there was a concerted effort by supervisors to…

The wisdom of elders: Inuvialuit social memories of continuity and change in the twentieth century.

Science.gov (United States)

Lyons, Natasha

2010-01-01

The Inuvialuit of the Canadian Western Arctic are no strangers to change. From the arrival of whalers ca. 1890, they underwent a century of monumental societal upheaval. Perhaps against the odds, they sustained many of their traditional socioeconomic activities and continued to follow a land-based lifestyle through much of the twentieth century. With a few notable exceptions, historical accounts of this period were written by cultural outsiders who conveyed their own perspectives on Inuvialuit culture. This paper focuses on the social memories of present-day Inuvialuit Elders who recount aspects of their lifeways throughout the twentieth century, including seasonal practices, traditional skills they maintained, and responses to the historical events that challenged their ways of living and spurred continuous change. These oral narratives form part of a larger history for succeeding generations, and a platform from which to construct contemporary identities and to negotiate a collective future.

Westward Bound? Dutch Education and Cultural Transfer in the Mid-Twentieth Century

Science.gov (United States)

Bakker, Nelleke

2014-01-01

This article discusses the transition from philosophy to psychology as the main source of inspiration for education during the mid-twentieth century in the Netherlands, situated between Germany in the east and the English-speaking world in the west. Claims have been made that educational theory in the Netherlands was dominated by German philosophy…

"Do grandmas have husbands?" Generational memory and twentieth-century women's lives.

Science.gov (United States)

Alexander, Sally

2009-01-01

This essay uses memory in the ancient and modern sense of the "inner life of thought" to describe the formation of generational memory in a modern professional family whose twentieth-century history has been fractured by migration, war, education, and divorce. It is about the power of feeling and law, which framed the practical freedoms of twentieth-century women's lives and introduced the modern citizen in the aftermath of universal suffrage and world war. The first part of the essay emphasizes the psychic dimension of bodily feeling and drive in the formation of memory; a dimension overlooked by oral history and social movements, yet confirmed by autobiography and memoir. My granddaughter's questions provoked resistance as well as family stories, and let me observe the thought process in a child. Social history, autobiography, and personal memory confirm the common experience of everyday life reaching back through generations of London families; folklore, commerce, and family story make narratives of dreams, hopes, terrors, and events; a child's comprehension of the outside world is grasped through curiosity, imagination, and play in which bodily feeling is as powerful as speech and prohibition to make meanings that flow between inner world and external reality. The second half of the essay reflects on Joan Riviere's description of the self. Leading British psychoanalyst, translator of Freud, writing in the 1950s, Riviere's language of the inner world resonates with the liberal social ethics -- empathy, public service, common good -- which underpinned women's and human rights mid-twentieth century and the egalitarian and reproduction reforms whose universalism has been challenged since the 1970s. Negative feeling is striking in Riviere's description of the self -- fear, shame, shock, and trauma, which are confirmed in memoir and autobiography. In contrast, liberal social democratic accounts of the time idealized English character. Today, the future uncertain

In Referees We Trust? Controversies over Grant Peer Review in the Late Twentieth Century

Science.gov (United States)

Baldwin, Melinda

While many accounts of external refereeing assume that it has been a consistent part of science since the seventeenth century, the practice developed far more slowly and haphazardly than many observers realize, and it was not until after the Second World War that ''peer review'' became considered an essential part of scientific publishing or grant-making. This talk will explore refereeing procedures at American grant-giving organizations in the twentieth century, focusing especially on the National Science Foundation and the National Institutes of Health. The creators of the NSF and the NIH put refereeing systems in place at their foundation. However, the form and function of these systems differed from modern ''peer review'' in several important ways. At the NSF the initial purpose of the referee process was to advise the NSF program directors, not to dictate funding decisions. At the NIH, small ''study sections'' devoted to particular subjects made recommendations to the NIH leadership, which rendered final judgments. However, beginning in the 1960s a series of controversies about NIH and NSF grants placed refereeing procedures at these organizations under more intense scrutiny. These debates culminated in six days of Special Oversight Hearings into the NSF's peer review process in the summer of 1975. Following the hearings, both the NSF and NIH reformed their review processes to place more emphasis on referees' opinions about grant proposals, making peer review increasingly responsible for decision-making. These controversies illustrate that refereeing continued to undergo significant changes in form and purpose throughout the twentieth century, and further suggest that both the scientific community and the public placed increased emphasis on the role of the referee during the late twentieth century.

The concept of time in early twentieth-century philosophy a philosophical thematic atlas

CERN Document Server

2016-01-01

This book presents a collection of authoritative contributions on the concept of time in early twentieth-century philosophy. It is structured in the form of a thematic atlas: each section is accompanied by relevant elementary logic maps that reproduce in a “spatial” form the directionalities (arguments and/or discourses) reported on in the text. The book is divided into three main sections, the first of which covers phenomenology and the perception of time by analyzing the works of Bergson, Husserl, Sartre, Merleau-Ponty, Deleuze, Guattari and Derrida. The second section focuses on the language and conceptualization of time, examining the works of Cassirer, Wittgenstein, Heidegger, Lacan, Ricoeur and Foucault, while the last section addresses the science and logic of time as they appear in the works of Guillaume, Einstein, Reichenbach, Prigogine and Barbour. The purpose of the book is threefold: to provide readers with a comprehensive overview of the concept of time in early twentieth-century philosophy; ...

Rabid epidemiologies: the emergence and resurgence of rabies in twentieth century South Africa.

Science.gov (United States)

Brown, Karen

2011-01-01

This article discusses the history of rabies in South Africa since the early twentieth century. It argues that rabies is a zoonotic disease that traverses rural and urban spaces, that transfers itself between wild and domestic animals and remains a potential threat to human life in the region. Scientists discovered an indigenous form of rabies, found primarily in the yellow mongoose, after the first biomedically confirmed human fatalities in 1928. Since the 1950s canine rabies, presumed to have moved southwards from across the Zambezi River, has become endemic also. South Africa is home to a comparatively large number of rabies strains and animal carriers, making it a particularly interesting case study. Environmental changes during the colonial and apartheid periods have helped to explain the increase in rabies cases since the mid-twentieth century. Moreover, developments in the biological and ecological sciences have provided insights into why the rabies virus has become endemic in certain wildlife species.

Intertransitions between Islam and Eastern Orthodoxy in Kazakhstan (Nineteenth-Early Twentieth Centuries)

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Sadvokasova, Zakish T.; Orazbayeva, Altynay I.

2016-01-01

The purpose of this paper is to review the historical facts related to conversion of indigenous people of the Kazakh steppe from Islam to Christianity and the conversion of the Russian migrants from Orthodoxy to Islam in Kazakhstan in the nineteenth-early twentieth century. The study deals with the laws that were detrimental to Islam and reforms…

Attitude of ukrainian left Galicia institutions to church and religion (late nineteenth century – the first third of the twentieth century

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I. I. Begej

2015-05-01

Nevertheless, sometimes, frankly erroneous judgment, theoretical and practical heritage activities Ukrainian Galicia from the left end of the XIX i in the first third of the twentieth century church religious sphere remain valid and instructive.

Revolutions in twentieth-century physics

International Nuclear Information System (INIS)

Griffiths, David J.

2015-01-01

Relativity theory, quantum mechanics, elementary-particle physics, and cosmology are the four pillars of modern physics. The life in the 21th century is without them no more conceivable: The special relativity theory renewed our understanding of space and time, on the laws of quantum mechanics are based countless everyday objects like transistors, computer chips, and mobile telephones; in particle accelerators we study the components oof matter, and with telescopes we take an ever deeper look in the past of the universe. Taking reference books to these themes at hand, one is overwhelmed by the plethora and complexity of the mathematical formulas. This book of the renowned professor of physics David J. Griffiths id refreshingly different. By means of many illustrative examples and entertaining stories it introducts to the themes and helps the reader also without a large mathematical apparatus to a fundamental understanding of that, about which Einstein, Schroedinger, Heisenberg, and Hubble actually thought and spoke. In each chapter numerous, pedagogically selected examples are completely worked out, in order to fill the matter with life. Moreover the text contains a manifold of problems, which allow the reader to deepen his knowledge and apply immediately. Griffith's ''Revolution in Twentieth Century Physics'' appeals not only to pupils and future studyings of natural sciences, who want to get an appetite for what lies ahead, but also to interested readers, which have already heared in the media from quarks and quanta, the curved space-time, Albert Einstein, and the big bang and now want to understandably know what is at stake in all the excitement.

Hungarian Population Discourses in the Twentieth Century: The Problem of Declining Birth Rates

OpenAIRE

Ildikó Szántó

2016-01-01

Falling birth rates had already been recorded as early as the late-eighteenth century in south-western Hungary in the Ormánság. Population loss from low birth rate remained one of the main topics writers and sociologists focused on in the twentieth century. The issue of Hungarian population decline was highlighted among the social ills in the interwar period, which was one of several subjects that divided intellectuals into ‘populists’ and ‘urbanites’. Following the impact of the low birth ra...

Challenges in the twentieth century and beyond: Computer codes and data

International Nuclear Information System (INIS)

Kirk, B.L.

1995-01-01

The second half of the twentieth century has seen major changes in computer architecture. From the early fifties to the early seventies, the word open-quotes computerclose quotes demanded reverence, respect, and even fear. Computers, then, were almost open-quotes untouchable.close quotes Computers have become the mainstream of communication on rapidly expanding communication highways. They have become necessities of life. This report describes computer codes and packaging, as well as compilers and operating systems

Early Twentieth Century Arrow, Javelin, and Dart Games of the Western Native American.

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Pesavento, Wilma J.

The general purpose of this study was to determine whether the traditional native American ball games continued to be positive culture traits of the American Indian in the early twentieth century. The investigation was centered about (1) determining the current arrow, javelin, and dart games of western native Americans, (2) determining the…

John Stewart Bell and twentieth century physics vision and integrity

CERN Document Server

Whitaker, Andrew

2016-01-01

John Stewart Bell (1928-1990) was one of the most important figures in twentieth-century physics, famous for his work on the fundamental aspects of the century's most important theory, quantum mechanics. While the debate over quantum theory between the supremely famous physicists, Albert Einstein and Niels Bohr, appeared to have become sterile in the 1930s, Bell was able to revive it and to make crucial advances - Bell's Theorem or Bell's Inequalities. He was able to demonstrate a contradiction between quantum theory and essential elements of pre-quantum theory - locality and causality. The book gives a non-mathematical account of Bell's relatively impoverished upbringing in Belfast and his education. It describes his major contributions to quantum theory, but also his important work in the physics of accelerators, and nuclear and elementary particle physics.

No issue, no problem? Co-education in dutch secondary physical education during the twentieth century

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van Essen, H.W.

This article places the current state of Dutch co-education in physical education into a longitudinal perspective. Occasionally, comparisons are made with Germany and England. The dominant, twentieth-century, co-educational tradition in the Netherlands including its pragmatic argumentation has

Translation, Hybridization, and Modernization: John Dewey and Children's Literature in Early Twentieth Century China

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Xu, Xu

2013-01-01

This essay examines how John Dewey's child-centered educational philosophy was adopted and adapted in the early twentieth century in China to create a Chinese children's literature. Chinese intellectuals applied Dewey's educational philosophy, which values children's interests and needs, to formulate a new concept of modern childhood that…

A History of Medicine and the Establishment of Medical Institutions in Middlesex County, New Jersey that Transformed Doctor and Patient Relationships during the Early Twentieth Century

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Whitfield-Spinner, Linda

2011-01-01

The early twentieth century was a period of tremendous advancements in medicine and technology and as a result experienced a revolutionary change in the delivery of healthcare in America. Modern medicine which encompassed specialized knowledge, technical procedures, and rules of behavior, changed the way medical care was provided in the United…

Psychiatric Cultures Compared : Psychiatry and Mental Health Care in the Twentieth Century: Comparisons and Approaches

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Gijswijt-Hofstra, Marijke; Oosterhuis, Harry; Vijselaar, Joost; Freeman, Hugh

2005-01-01

The history of mental health care in the twentieth century is a relatively uncharted territory. Exemplifying a new emphasis on the comparative approach, this volume offers overviews of various national psychiatric cultures and explores new research subjects. By confronting Dutch psychiatry with

Alternative stories about race, gender and interracial intimacies at the turn of the twentieth century

DEFF Research Database (Denmark)

Andreassen, Rikke

2013-01-01

Based on empirical material from Danish exhibitions of so-called exotic people in which people of color were exhibited as mass entertainment at the turn of the twentieth century, the article aims at nuancing established scholarly understandings of interracial relationships and Asian masculinity. ...

Changing ideas in forestry: A comparison of concepts in Swedish and American forestry journals during the early twentieth and twenty-first centuries.

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Mårald, Erland; Langston, Nancy; Sténs, Anna; Moen, Jon

2016-02-01

By combining digital humanities text-mining tools and a qualitative approach, we examine changing concepts in forestry journals in Sweden and the United States (US) in the early twentieth and early twenty-first centuries. Our first hypothesis is that foresters at the beginning of the twentieth century were more concerned with production and less concerned with ecology than foresters at the beginning of the twenty-first century. Our second hypothesis is that US foresters in the early twentieth century were less concerned with local site conditions than Swedish foresters. We find that early foresters in both countries had broader-and often ecologically focused-concerns than hypothesized. Ecological concerns in the forestry literature have increased, but in the Nordic countries, production concerns have increased as well. In both regions and both time periods, timber management is closely connected to concerns about governance and state power, but the forms that governance takes have changed.

"Are You Only an Applauder?" American Music Correspondence Schools in the Early Twentieth Century

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Vogel, Dorothy

2015-01-01

The purpose of this study was to examine correspondence schools of music in the early twentieth century. Advertisements in widely circulated household and music periodicals and archival copies of courses from Siegel-Myers Correspondence School of Music, United States School of Music, American College of Music, and others were examined. Research…

American Art Music in the Twentieth-Century: An Assessment of the Basic Information Sources.

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Green, Alan Anthony

This assessment of 62 reference sources that contain information on U.S. art (classical) music of the twentieth century examines the following categories of sources: (1) Pilot Sources; (2) Lexica; (3) Histories and Chronologies; (4) Gesamtausgaben, Denkmaler, and Thematic catalogs; (5) Indexes and Bibliographies of Literature; (6) Lists of Music…

Embodiments of Human Identity: Detecting and Interpreting Hidden Narratives in Twentieth-Century Design History.

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Williamson, Jack

1995-01-01

Argues that the practice and influence of design history can benefit from new forms of visual and chronological analysis. Identifies and discusses a unique phenomenon, the "historical visual narrative." Examines special instances of this phenomenon in twentieth-century design and visual culture, which are tied to the theme of the…

Hydrotherapy in state mental hospitals in the mid-twentieth century.

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Harmon, Rebecca Bouterie

2009-08-01

This research describes nurses' experiences in administering "the water cure," hot or cold wet sheet packs, and continuous tub baths in state mental hospitals during the early twentieth century. Student and graduate nurses were required to demonstrate competence in hydrotherapy treatments used to calm agitated or manic patients in the era before neuroleptics. The nurses interviewed for this study indicated that, although labor intensive, hydrotherapy worked, at least temporarily. Although no longer used in state hospitals, hydrotherapy is regaining popularity with the general public and may serve as an adjunct to pharmacological treatments to calm hospitalized patients in the future.

BOOK REVIEW: Quantum Generations. A history of physics in the twentieth century

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Brown, Neil

2000-03-01

Physics has a long history, but more physics has been discovered in the twentieth century than in all previous eras together. That in itself would be a sufficient justification for a history of physics in the twentieth century, but the end of the previous century also marked a discontinuity, from Newtonian classical physics to relativity and quantum mechanics. If any single event marks the start of the process it is the discovery of x-rays in 1895, and Kragh's century spans from about 1895 to about 1995. It is, of course, too much for a single volume, even a large one, and Kragh recognizes from the outset that he has to be selective and concentrate on those subjects that define twentieth-century physics. For the early part of the century the author relies on carefully chosen secondary sources, to avoid the near-impossible task of absorbing a multitude of original papers. The recent period is more difficult, and the sources are articles, reviews, and the recollections of physicists. The book is in three main sections, roughly to the end of World War I, to the end of World War II, and up to 1995, plus a retrospective summary. It deals with more than just discoveries in physics, looking also at physicists and institutions, and at their interactions with the rest of society. The broad outlines of many discoveries are often known to physicists who have no special interest in history, and Kragh is careful to point out where these conventional accounts are inadequate. The first chapters set the scene at the end of the nineteenth century, acknowledging that there was a belief that all the grand underlying principles had been established, but also pointing out that there was a ferment of attempts to reinterpret physics in terms of concepts like vortices and hyperspaces. The history begins with the mould-breaking discoveries of x-rays, radioactivity and the electron. The chapters that follow look at theories about atomic structure, and at quantum physics, relativity and

Bookends of the Twentieth Century: Irving Babbitt, E. D. Hirsch, and the Humanistic Curriculum

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Smilie, Kipton D.

2013-01-01

Irving Babbitt and E.D. Hirsch defended the humanistic curriculum at both the beginning and end of the twentieth century, respectively. Both claimed that a set of specific knowledge needed to be passed from one generation to the next. Both found this knowledge primarily, though certainly not exclusively, through the classical Western tradition.…

Pioneers of Gentrification: Transformation in Global Neighborhoods in Urban America in the Late Twentieth Century.

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Hwang, Jackelyn

2016-02-01

Few studies have considered the role of immigration in the rise of gentrification in the late twentieth century. Analysis of U.S. Census and American Community Survey data over 24 years and field surveys of gentrification in low-income neighborhoods across 23 U.S. cities reveal that most gentrifying neighborhoods were "global" in the 1970s or became so over time. An early presence of Asians was positively associated with gentrification; and an early presence of Hispanics was positively associated with gentrification in neighborhoods with substantial shares of blacks and negatively associated with gentrification in cities with high Hispanic growth, where ethnic enclaves were more likely to form. Low-income, predominantly black neighborhoods and neighborhoods that became Asian and Hispanic destinations remained ungentrified despite the growth of gentrification during the late twentieth century. The findings suggest that the rise of immigration after 1965 brought pioneers to many low-income central-city neighborhoods, spurring gentrification in some neighborhoods and forming ethnic enclaves in others.

Memoirs a twentieth-century journey in science and politics

CERN Document Server

Teller, Edward

2001-01-01

The story of Edward Teller is the story of the twentieth century. Born in Hungary in 1908, Teller witnessed the rise of Nazism and anti-Semitism, two world wars, the McCarthy era, and the changing face of big science. A brilliant and controversial figure whose work on nuclear weapons was key to the American war effort, Teller has long believed in freedom through strong defense, a philosophy reflected in his stance on arms control and nuclear policy. These extraordinary recollections at last reveal the man behind the headlines-passionate and humorous, devoted and loyal. In clear and compelling prose, Teller tells of the people, events, and ideas that shaped him as a scientist, beginning with his early love of music and math, and continuing with his study of quantum physics with Werner Heisenberg. Present at many of the pivotal moments in modern science, Teller also describes his friendships with some of the century's greatest minds-Einstein, Bohr, Fermi, Szilard, von Neumann, Oppenheimer-and offers an honest a...

The history of optic chiasm from antiquity to the twentieth century.

Science.gov (United States)

Costea, Claudia Florida; Turliuc, Şerban; Buzdugă, Cătălin; Cucu, Andrei Ionuţ; Dumitrescu, Gabriela Florenţa; Sava, Anca; Turliuc, Mihaela Dana

2017-11-01

The optic chiasm is an essential structure located at the skull base that stirred over time the curiosity of anatomists, who became more and more interested in its structure and function. Through centuries, the optic chiasm was viewed as a vessel crossing, a way of transporting tears secreted by the brain to the eye, integrating images, or responsible for coordinated eye movements. The paper aims to overview the history of understanding the optic chiasm from the beginnings of antiquity to the twentieth century. We reviewed the literature and studied all the historical sources on optic chiasm and eyes in the works of ancient, medieval, Renaissance authors, and the seventeenth to nineteenth century works. The optic chiasm is a structure that fascinated ancient anatomists and made them develop various theories on its function. In terms of function, the optic chiasm had a history based more on speculation, the seventeenth century bringing its first understanding and reaching the peak in the nineteenth century with the understanding of the anatomical structure of the chiasm and its role in the visual process. The history of the optic chiasm is a fascinating time travel displaying the conceptual transformations that have been made in anatomy and medicine by our forerunners.

Writing the Nation : Transculturation and nationalism in Hispano-Filipino literature from the early twentieth century

NARCIS (Netherlands)

Villaescusa Illán, I.

2017-01-01

This PhD thesis explores a fairly unknown corpus of literature written by Filipino authors in Spanish in the first part of the twentieth century. Spanish speaking Filipinos from this period were caught in a transition between colonial powers: the end of 300 years of Spanish colonialism in 1898 led

Financial crises of the early twentieth century in Ukraine

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S.Z. Moshenskyi

2015-12-01

Full Text Available The article analyzes the major financial crises in Ukraine at early twentieth century dealing with the crises of 1899–1902 and 1908–1910. The main attention is paid to the large-scale crisis of 1899–1902 at the new industrial region in Eastern Ukraine where numerous steel and mining companies based on massive foreign investment (mainly Belgian and French were created shortly. The general boom of new joint-stock companies and insufficient provision of these companies by state orders were the main reason of the crisis which was the reflection of the international industrial and financial crisis of those years. The author also researches the crisis of 1908–1910 in the Ukrainian sugar industry.

The Representation of Jews in Nineteenth- and Twentieth-Century Hungarian Proverb Collections

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Ilana Rosen

2017-09-01

Full Text Available Proverbs are concise formulations of folk wisdom and as such, when seen in masses, they may well express the spirit of their time and place. In Hungarian proverbial lore Jews figure prominently in nineteenth-century proverb collections but fade out of such collections as of the mid-twentieth century. In the nineteenth-century proverb collections Jews are invariably portrayed as faithless, dishonest, greedy, physically weak and unattractive. Largely, this portrayal as well as the dynamics of the earlier presence of Jews versus their later disappearance from Hungarian proverb collections match the shared history of Hungarians and Hungarian Jews since the 1867 Emancipation of the country's Jews and possibly even earlier, through their growing integration in significant arenas of their host society, up to their persecution and annihilation in the Holocaust, and later their decade long forced merging into the general Hungarian society under communism. This article traces the occurrence and disappearance of Jews in Hungarian proverb collections throughout the last two centuries and analyzes the language, content and messages of the proverbs about Jews in these collections.

PROBLEM UNACCOMPANIED MINORS IN THE 20 YEARS OF THE TWENTIETH CENTURY (NIZHNY NOVGOROD PROVINCE

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Natalia Vasilyevna Bystrovа

2015-01-01

Full Text Available In the article the scientific, historical and socio-pedagogical bases of juvenile delinquency in the Nizhny Novgorod region in the context of Russia's historical and educational space. The causes of homelessness among children from 1917 to 1930.: The First World War, revolution, civil war, the policy of «war communism».The dynamics of the state in social and legal protection of minors in the period.Goal Is to determine the scientific, historical and socio-pedagogical bases of juvenile delinquency problem in the 20 years of the twentieth century (the Nizhny Novgorod region.Method or the methodology of work Implementing the principles of scientific and historicism, used for general historical science methods (identification, analysis, synthesis, study of archival and published materials, concrete historical, theoretical and system analysis, also found their application specific methods inherent historical and theoretical research: comparative comparative, historical situational, historical, genetic, specific historical, textual analysis.Results Suggested and scientifically substantiated system characteristic juvenile delinquency in the 20 years of the twentieth century in the Nizhny Novgorod region in the changing socio-political sphere in Russia.Practical implications The result is of obvious interest to educators, sociologists conducting research question juvenile delinquency.

Comparing early twentieth century and present-day atmospheric pollution in SW France: A story of lichens.

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Agnan, Y; Séjalon-Delmas, N; Probst, A

2013-01-01

Lichens have long been known to be good indicators of air quality and atmospheric deposition. Xanthoria parietina was selected to investigate past (sourced from a herbarium) and present-day trace metal pollution in four sites from South-West France (close to Albi). Enrichment factors, relationships between elements and hierarchical classification indicated that the atmosphere was mainly impacted by coal combustion (as shown by As, Pb or Cd contamination) during the early twentieth century, whereas more recently, another mixture of pollutants (e.g. Sb, Sn, Pb and Cu) from local factories and car traffic has emerged. The Rare Earth Elements (REE) and other lithogenic elements indicated a higher dust content in the atmosphere in the early twentieth century and a specific lithological local signature. In addition to long-range atmospheric transport, local urban emissions had a strong impact on trace element contamination registered in lichens, particularly for contemporary data. Copyright © 2012 Elsevier Ltd. All rights reserved.

Continuum mechanics through the ages from the renaissance to the twentieth century : from hydraulics to plasticity

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Maugin, Gérard A

2016-01-01

Mixing scientific, historic and socio-economic vision, this unique book complements two previously published volumes on the history of continuum mechanics from this distinguished author. In this volume, Gérard A. Maugin looks at the period from the renaissance to the twentieth century and he includes an appraisal of the ever enduring competition between molecular and continuum modelling views. Chapters trace early works in hydraulics and fluid mechanics not covered in the other volumes and the author investigates experimental approaches, essentially before the introduction of a true concept of stress tensor. The treatment of such topics as the viscoelasticity of solids and plasticity, fracture theory, and the role of geometry as a cornerstone of the field, are all explored. Readers will find a kind of socio-historical appraisal of the seminal contributions by our direct masters in the second half of the twentieth century. The analysis of the teaching and research texts by Duhem, Poincaré and Hilbert on cont...

Contributions to a genealogy of democracy in the twentieth century starting from the opposition Kelsen/Schmitt.

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Andrés Fortunato

2014-12-01

Full Text Available In this work I analyze the theories of Carl Schmitt and Hans Kelsen of democracy in the light of the weberian topic of rationalization. My thesis is that this counterpoint does not escape the contemporary split that characterizes the nineteenth century modernity and continues in the twentieth century. At last, I’ll maintain that the political manifestation of this aporeticalbackground –over which one must understand the challenge of democracy– is what Schmitt calls the total State.

The riddle of sex: biological theories of sexual difference in the early twentieth-century.

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Ha, Nathan Q

2011-01-01

At the turn of the twentieth century, biologists such as Oscar Riddle, Thomas Hunt Morgan, Frank Lillie, and Richard Goldschmidt all puzzled over the question of sexual difference, the distinction between male and female. They all offered competing explanations for the biological cause of this difference, and engaged in a fierce debate over the primacy of their respective theories. Riddle propounded a metabolic theory of sex dating from the late-nineteenth century suggesting that metabolism lay at the heart of sexual difference. Thomas Hunt Morgan insisted on the priority of chromosomes, Frank Lillie emphasized the importance of hormones, while Richard Goldschmidt supported a mixed model involving both chromosomes and hormones. In this paper, I will illustrate how the older metabolic theory of sex was displaced when those who argued for the relatively newer theories of chromosomes and hormones gradually formed an alliance that accommodated each other and excluded the metabolic theory of sex. By doing so, proponents of chromosomes and hormones established their authority over the question of sexual difference as they laid the foundations for the new disciplines of genetics and endocrinology. Their debate raised urgent questions about what constituted sexual difference, and how scientists envisioned the plasticity and controllability of this difference. These theories also had immediate political and cultural consequences at the turn of the twentieth century, especially for the eugenic and feminist movements, both of which were heavily invested in knowledge of sex and its determination, ascertainment, and command.

Italian news coverage of radiation in the early decades of the twentieth century: A qualitative and quantitative analysis.

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Candela, Andrea; Pasquarè Mariotto, Federico

2016-02-01

This work uses a qualitative approach coupled with a quantitative software-based methodology to examine the Italian news media coverage of radiation in the early decades of the twentieth century. We analyze 80 news stories from two of the most influential Italian newspapers from that time: La Stampa (a daily newspaper) and La Domenica del Corriere (an Italian Sunday supplement). While much of previous research on media coverage of scientific topics was generally focused on present-day news, our work revolves around the ground-breaking discovery of X-rays and radioactivity at the dawn of the last century. Our analysis aims to identify journalistic frames in the news coverage of radiation that journalists might have used to emphasize the benefits (or the risks) of the new discoveries. We also hypothesize how this kind of news coverage might have influenced public perception of technological, commercial, and public health applications of the new scientific advancements. © The Author(s) 2014.

A "His Story" of Insanity: Madness and Masculinity in Twentieth-Century American Literature

OpenAIRE

Bumeistere, Lilita

2013-01-01

This thesis is an interdisciplinary study of the largely neglected relationship between madness and masculinity based on three American literary works written during different periods of the twentieth century. The study utilizes literary, social, and medical research in order to provide a holistic view of madness and masculinity as two social constructs that interact with and are contingent on each other. In Sherwood Anderson’s “Hands,” Ken Kesey’s One Flew Over the Cuckoo’s Nest, and David F...

Surviving the Lunacy Act of 1890: English Psychiatrists and Professional Development during the Early Twentieth Century.

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Takabayashi, Akinobu

2017-04-01

In recent decades, historians of English psychiatry have shifted their major concerns away from asylums and psychiatrists in the nineteenth century. This is also seen in the studies of twentieth-century psychiatry where historians have debated the rise of psychology, eugenics and community care. This shift in interest, however, does not indicate that English psychiatrists became passive and unimportant actors in the last century. In fact, they promoted Lunacy Law reform for a less asylum-dependent mode of psychiatry, with a strong emphasis on professional development. This paper illustrates the historical dynamics around the professional development of English psychiatry by employing Andrew Abbott's concept of professional development. Abbott redefines professional development as arising from both abstraction of professional knowledge and competition regarding professional jurisdiction. A profession, he suggests, develops through continuous re-formation of its occupational structure, mode of practice and political language in competing with other professional and non-professional forces. In early twentieth-century England, psychiatrists promoted professional development by framing political discourse, conducting a daily trade and promoting new legislation to defend their professional jurisdiction. This professional development story began with the Lunacy Act of 1890, which caused a professional crisis in psychiatry and led to inter-professional competition with non-psychiatric medical service providers. To this end, psychiatrists devised a new political rhetoric, 'early treatment of mental disorder', in their professional interests and succeeded in enacting the Mental Treatment Act of 1930, which re-instated psychiatrists as masters of English psychiatry.

Childish Pleasures and Adult Fears: Reflections on becoming Literate in the Twentieth and Twenty-First Centuries

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Jackson, Cath

2010-01-01

With the Skills for Life strategy came new professional qualifications for teachers of literacy to adults. Having learned to be literate themselves in the mid-to-late twentieth century, how ready are these teachers to take on the challenges of preparing their learners for the literacies of the new millennium? This paper comes out of doctoral…

Reading to the Soul: Narrative Imagery and Moral Education in Early to Mid-Twentieth-Century Queensland

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Carden, Clarissa

2018-01-01

This paper examines the way in which narratives, including stories and poetry, have been used in school texts relating to moral instruction. The paper will draw on texts used in Queensland classrooms in the early part of the twentieth century to demonstrate the ways in which description of sights and the experiences of the senses, and of…

Singing the Nation into Being: Teaching Identity and Culture at the Turn of the Twentieth Century

Science.gov (United States)

Sargeant, Lynn M.

2009-01-01

In this article, the author compares the music education in the United States and the Russian Empire at the turn of the twentieth century. In both countries, music educators struggled to secure a permanent role for vocal music in the school. By comparing Russian music instruction to that in the United States, educators can better understand not…

Historical occurrence and extinction of Atlantic salmon in the River Elbe from the fourteenth to the twentieth centuries

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Andreska J.

2015-03-01

Full Text Available Data on the occurrence, biology, and historical background of the Atlantic salmon, Salmo salar L., (Pisces, Salmoniformes in the Elbe river basin (Europe, North Sea drainage area with a focus on Bohemian territory (Central Europe from the fourteenth to twentieth centuries are summarized in this paper. Historical methods of salmon fishing in Central Europe and historical legal protection of salmon in Bohemia are presented. The salmon is a model example of species which was extirpated as a result of anthropogenic changes in the landscape and rivers in some water systems. The human activities, such as stream bed regulation, dam system construction, other migration barriers, water pollution, fisheries exploitation, that led to the extirpation of Atlantic salmon in the Elbe river basin (are discussed. The last sporadic migrating native salmon were registered in the Bohemian section of the Elbe river basin in the mid twentieth century.

Fumigating the Hygienic Model City: Bubonic Plague and the Sulfurozador in Early-Twentieth-Century Buenos Aires.

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Engelmann, Lukas

2018-07-01

The 1899/1900 arrival of bubonic plague in Argentina had thrown the model status of Buenos Aires as a hygienic city into crisis. Where the idea of foreign threats and imported epidemics had dominated the thinking of Argentina's sanitarians at that time, plague renewed concerns about hidden threats within the fabric of the capital's dense environment; concerns that led to new sanitary measures and unprecedented rat-campaigns supported by the large-scale application of sulphur dioxide. The article tells the story of early twentieth-century urban sanitation in Buenos Aires through the lens of a new industrial disinfection apparatus. The Aparato Marot, also known as Sulfurozador was acquired and integrated in the capital's sanitary administration by the epidemiologist José Penna in 1906 to materialise two key lessons learned from plague. First, the machine was supposed to translate the successful disinfection practices of global maritime sanitation into urban epidemic control in Argentina. Second, the machine's design enabled public health authorities to reinvigorate a traditional hygienic concern for the entirety of the city's terrain. While the Sulfurozador offered effective destruction of rats, it promised also a comprehensive - and utopian - disinfection of the whole city, freeing it from all imaginable pathogens, insects as well as rodents. In 1910, the successful introduction of the Sulfurozador encouraged Argentina's medico-political elite to introduce a new principle of 'general prophylaxis'. This article places the apparatus as a technological modernisation of traditional sanitary practices in the bacteriological age, which preserved the urban environment - 'el terreno' - as a principal site of intervention. Thus, the Sulfurozador allowed the 'higienistas' to sustain a long-standing utopian vision of all-encompassing social, bodily and political hygiene into the twentieth century.

The Scientific Enlightenment System in Russia in the Early Twentieth Century as a Model for Popularizing Science

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Balashova, Yuliya B.

2016-01-01

This research reconstructs the traditions of scientific enlightenment in Russia. The turn of the nineteenth and twentieth centuries was chosen as the most representative period. The modern age saw the establishment of the optimal model for advancing science in the global context and its crucial segment--Russian science. This period was…

Léon Rosenfeld physics, philosophy, and politics in the twentieth century

CERN Document Server

Jacobsen, Anja Skaar

2012-01-01

This book is a social-intellectual biography of the Belgian physicist Léon Rosenfeld (1904-1974). Rosenfeld was at the center of modern theoretical physics and he became the Danish physicist Niels Bohr's right-hand man. Rosenfeld was a perceptive, polyglot cosmopolitan, whose life crossed those of many important people in many countries. He was also a strong integrated personality capable of performing exotic calculations at one moment, while disentangling subtle philosophical questions or intervening in a political discussion the next — all at the highest level. This book aims at a broad audience interested in contextual history of twentieth century physics. No specialized knowledge of physics is required to read it.

Buddhism, Christianity, and psychotherapy: A three-way conversation in the mid-twentieth century.

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Harding, Christopher

2018-01-01

This article explores the scope of 'religion-psy dialogue' in the mid-twentieth century, via a case study from Japan: Kosawa Heisaku, a Buddhist psychoanalyst based in Tokyo. By putting this case study in brief comparative perspective, with the conversation that took place in 1965 between Paul Tillich and Carl Rogers, the article discusses both the promise and the pitfalls of the modern and contemporary world of 'religion-psy dialogue', alongside the means by which specialists in a variety of fields might investigate and hold it to account.

Writing History of Buddhist Thought in the Twentieth Century: Yinshun (1906-2005 in the Context of Chinese Buddhist Historiography

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Marcus Bingenheimer

2015-02-01

Full Text Available Venerable Yinshun 印 順 (1906–2005 was the eminent scholar-monk in twentieth-century Chinese Buddhism. This paper is about his historiographical practice and tries to outline his position in Chinese Buddhist historiography especially in reference to the Song dynasty historian Zhipan 志磐 (thirteenth century. It tries to answer the question in what ways Yinshun can be said to have modernized Buddhist historiography for Chinese Buddhism.

Working-Class Ideas and Experiences of Sexuality in Twentieth-Century Britain: Regionalism as a Category of Analysis.

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Smith, Helen

2018-03-01

This article will explore region as a category of analysis for understanding gender, sexual cultures, and the expression of same-sex desire. In unpicking the notion of regional difference in both its tangible and intangible forms, it outlines the corresponding impact on how sexual cultures developed and were experienced in twentieth-century Britain. By recognizing that the area in which an individual lived could have as much impact on their sense of self and their sexual experiences as issues of race, gender, and class, a new and fruitful avenue of interpretation is opened up for the history of sexuality and twentieth-century British history more broadly. Such a methodology has the potential to add a new dimension to all histories of non-state-sanctioned sexual experience such as illegitimacy, premarital sex, extramarital affairs, and prostitution. In using regional case studies and interrogating ideas of sexual taboo, this article offers a unique interpretation of sexual experience that destabilizes current London-centric narratives and offers a more democratic and nuanced history of sex.

Blackett physics, war, and politics in the twentieth century

CERN Document Server

Nye, Mary Jo

2004-01-01

This is a lively and compact biography of P. M. S. Blackett, one of the most brilliant and controversial physicists of the twentieth century. Nobel laureate, leader of operational research during the Second World War, scientific advisor to the British government, President of the Royal Society, member of the House of Lords, Blackett was also denounced as a Stalinist apologist for opposing American and British development of atomic weapons, subjected to FBI surveillance, and named as a fellow traveler on George Orwell’s infamous list. His service as a British Royal Navy officer in the First World War prepared Blackett to take a scientific advisory role on military matters in the mid-1930s. An international leader in the experimental techniques of the cloud chamber, he was a pioneer in the application of magnetic evidence for the geophysical theory of continental drift. But his strong political stands made him a polarizing influence, and the decisions he made capture the complexity of living a prominent twen...

Immigration, crime, and incarceration in early twentieth-century America.

Science.gov (United States)

Moehling, Carolyn; Piehl, Anne Morrison

2009-11-01

The major government commissions on immigration and crime in the early twentieth century relied on evidence that suffered from aggregation bias and the absence of accurate population data, which led them to present partial and sometimes misleading views of the immigrant-native criminality comparison. With improved data and methods, we find that in 1904, prison commitment rates for more serious crimes were quite similar by nativity for all ages except ages 18 and 19, for which the commitment rate for immigrants was higher than for the native-born. By 1930, immigrants were less likely than natives to be committed to prisons at all ages 20 and older, but this advantage disappears when one looks at commitments for violent offenses. The time series pattern reflects a growing gap between natives and immigrants at older ages, one that was driven by sharp increases in the commitment rates of the native-born, while commitment rates for the foreign-born were remarkably stable.

The State of Native America at the End of the Twentieth Century

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J. Kelly Robison

2007-05-01

Full Text Available When stereotypes of modern Native Americans are brought forward, these usually manifest themselves in visions of poor Indians living on reservations, which are on lands no one else wanted. Modern Native Americans are often stereotyped as drunks or succumbing to the pressure of gamblers to open their reservations to casinos. One place to start in order to disprove these stereotypes is the statistical data. What follows is not an interpretive essay in the classic scholarly vein, but an informative one that provides a picture of the state of Native America at the end of the Twentieth Century based on current statistical data.

Market Research and Socio-Political Consciousness in the Twentieth Century

DEFF Research Database (Denmark)

Schwarzkopf, Stefan

2013-01-01

of marketing as a professional field and academic discipline in the twentieth century. Design/methodology/approach – Based on archival research, the paper firstly establishes the biographical details of Abrams’ life and work. Secondly, the paper uses methodological and theoretical tools of historical sociology......Purpose – This paper investigates the case of the eminent British market researcher and social scientist Mark Alexander Abrams (1906 – 1994). Abrams’ career as a researcher spanned the six decades between the late 1920s and the late 1980s, and it bridged the gap between commercial market...... and consumer research on the one side and governmental social research on the other. By focusing on Abrams’ research strategies and career moves over these six decades, the paper establishes an alternative historical narrative to those that privilege the impact of capitalist market structures on the making...

Landlordism, Rent Regulation and the Labour Party in mid-twentieth century Britain, 1950-64.

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Child, Phil

2018-03-01

This article examines the politics of private renting in 1950s and early 1960s Britain, through the radical approach taken by Labour Party towards private landlords. Through setting the radical aims of Labour in a mid-twentieth-century context of decrepit housing, rising rents and sluggish public housing programmes, Labour's rationale in arguing for the 'abolition' of the private landlord is more transparent. This article takes a chronological approach, investigating what actions Labour actors took, at local and national level, and what effect this had on the wider housing market. Part one takes a long view of Labour attitudes to the private rented sector. Part two explores the policy of 'municipalization'-the attempt to place rented homes under local authority control. Part three discusses the post-1962 policy shift to state-sponsored 'improvement' of private rented housing, prior to Labour's victory at the 1964 general election. Three key arguments are made: that Labour's radicalism hastened the collapse of the post-war private rented sector; that rental market weaknesses indicated the confused place of renting in the 'tenurial pattern'; and that the proposed 'abolition' of private landlords had a direct effect on slum clearance and the composition of British cities. The conclusion suggests that Labour's pursuit of the private landlord can shed light on the vast urban transformations of the post-war period. It invites greater attention to be paid to the effects that political ideas had on the composition of the twentieth-century British housing market.

The restructuring of the Argentina Navy between the end of the twentieth century and early twenty-first.

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Germán Soprano

2017-07-01

Full Text Available The definition of a policy of national defense and internal security in democracy, created conditions to advance in the process of restructuring of the Argentina Navy, introducing changes in its organization and functions. In this article we will focus this process analyzing, on the one hand, the relationship between the definitions of defense policy and the configuration of naval military instrument between the end of the twentieth century and early twenty-first century; and, on the other hand, understanding their development in the case of two components of the force: the marine corps and the division of maritime patrol.

"Strong Mothers Make Strong Children": Sports, Eugenics and Nationalism in Brazil at the Beginning of the Twentieth Century

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Goellner, Silvana Vilodre; Votre, Sebastiao Josue; Pinheiro, Maria Claudia Brandao

2012-01-01

Based on post-structural feminist and gender studies, the present article analyses the importance given to the practice of physical education, sports and exercise as part of the national policy to strengthen the Caucasian-Brazilian population at the beginning of the twentieth century, emphasising the priority made of the White female body as the…

Real Men Wear Uniforms: Photomontage, Postcards, and Military Visual Culture in Early Twentieth-Century Germany

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Elizabeth Otto

2012-04-01

Full Text Available This essay examines early twentieth-century German representations of men and women in uniform to consider how mass culture allowed individuals to participate in aspects of gender construction. It also reveals how masculinity was increasingly linked to military ideals. The pictures under scrutiny here were made in two significant but as yet under-researched types of pictures: pre-avant-garde photomontaged soldier portraits and popular postcards. Both of these visual forms originated in the 1870s, the decade that Germany was itself founded, and they both were in wide circulation by the early twentieth century. Individualized soldier portraits and postcards offered a glorious vision of a man’s military service, and they performed what Theodor Lessing has called Vergemütlichung, the rendering harmless of history. These idealized images of soldierly life were available to a broad swath of the public, but their democratization only extended so far. Representations of women in uniform served to reinforce—through stereotyping and humor—the unquestionably male nature of military institutions and, by extension, of public space. At the same time, by making apparent their own constructed nature, these portraits and postcards offered viewers a glimpse behind the masquerade of masculinity. This essay thus also identifies these images’ links to the subsequent work of avant-garde artists and to the National Socialists’ return to the ideal of uniformed masculinity.

Women Emancipation in the Early Twentieth Century in France Portrayed in Coco Before Chanel Movie

OpenAIRE

HIKMAYANTI, INDAH

2014-01-01

Keywords : Women Movement, Liberal Feminism, France, Early TwentiethCentury, Coco Before ChanelWomen movement is a women's action to break down the patriarchy system which evolves in society. The patriarchy system states that women is minority in the society. Their role is only to take care of their family. They can not go to work outside and interact with others in the society. In France society, women and men have difference of right. French women then start the women movement to break the ...

Pioneers of Gentrification: Transformation in Global Neighborhoods in Urban America in the Late Twentieth Century

OpenAIRE

Hwang, Jackelyn

2016-01-01

Few studies have considered the role of immigration in the rise of gentrification in the late twentieth century. Analysis of U.S. Census and American Community Survey data over 24 years and field surveys of gentrification in low-income neighborhoods across 23 U.S. cities reveal that most gentrifying neighborhoods were “global” in the 1970s or became so over time. An early presence of Asians was positively associated with gentrification; and an early presence of Hispanics was positively associ...

Economic performance and public concerns about social class in twentieth-century books.

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Chen, Yunsong; Yan, Fei

2016-09-01

What is the association between macroeconomic conditions and public perceptions of social class? Applying a novel approach based on the Google Books N-gram corpus, this study addresses the relationship between public concerns about social class and economic conditions throughout the twentieth century. The usage of class-related words/phrases, or "literary references to class," in American English-language books is related to US economic performance and income inequality. The findings of this study demonstrate that economic conditions play a significant role in literary references to class throughout the century, whereas income inequality does not. Similar results are obtained from further analyses using alternative measures of class concerns as well as different corpora of English Fiction and the New York Times. We add to the social class literature by showing that the long-term temporal dynamics of an economy can be exhibited by aggregate class concerns. The application of massive culture-wide content analysis using data of unprecedented size also represents a contribution to the literature. Copyright © 2016 Elsevier Inc. All rights reserved.

Building Baluchitherium and Indricotherium: imperial and international networks in early-twentieth century paleontology.

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Manias, Chris

2015-01-01

Over the first decades of the twentieth century, the fragmentary remains of a huge prehistoric ungulate were unearthed in scientific expeditions in India, Turkestan and Mongolia. Following channels of formal and informal empire, these were transported to collections in Britain, Russia and the United States. While striking and of immense size, the bones proved extremely difficult to interpret. Alternately naming the creature Paraceratherium, Baluchitherium and Indricotherium, paleontologists Clive Forster-Cooper, Alexei Borissiak and Henry Fairfield Osborn struggled over the reconstruction of this gigantic fossil mammal. However, despite these problems, shared work on the creature served as a focus for collaboration and exchange rather than rivalry between these three scientific communities. Not only did the initial interpretation and analysis depend on pre-existing connections between British and American paleontological institutions, but the need for comparative material, recognition and contacts brought British and American scholars into communication and exchange with their counterparts in the Soviet Union. This article examines these processes. It first uses these excavations as a comparative case-study of different manifestations of colonial science in this period, examining how scholars in the Britain, the Russian Empire and the United States used formal and informal colonial links to Asia to pursue new research. It then moves to examine how the common problem of reconstructing this giant animal drew metropolitan scientific communities together, at least for a time. The construction of the Baluchitherium and Indricotherium illustrates the drives to expand research both imperially and internationally in the early-twentieth century, but also the continual problems in resources, institutionalization, transport and communication that could run up against scientific work.

The creation of play spaces in twentieth-century Amsterdam: from an intervention of civil actors to a public policy

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Verstrate, L.; Karsten, L.

2011-01-01

This case study uncovers a turning point in the production of play space in Amsterdam. Whereas over the first half of the twentieth century the creation of play spaces used to be the primary responsibility of the Amsterdam civil society, this situation started to change after the Second World War.

The Strategic Petroleum Reserve: United States energy security, oil politics, and petroleum reserves policies in the twentieth century

Science.gov (United States)

Beaubouef, Bruce Andre

The history of U.S. petroleum reserves policies in the twentieth century, including the Strategic Petroleum Reserve (SPR) program, provides a case study of the economic and political aspects of national security, and shows the ways in which the American political economy influences national security. One key problem plagued federal petroleum reserve programs and proposals throughout the twentieth century. In a political economy which traditionally placed strong emphasis upon the sanctity of private property and free markets, could the government develop an emergency petroleum reserve policy despite opposition from the private sector? Previous literature on the SPR and oil-stockpiling programs has largely disregarded the historical perspective, focusing instead upon econometric models, suggesting future oil-stockpiling policy options. This study will also make conclusions about the future of governmental oil-stockpiling policies, particularly with regard to the SPR program, but it will do so informed by a systematic history of the emergency petroleum reserve impulse in the twentieth century. Through a study of the emergency petroleum reserve impulse, one can see how the American political economy of oil and energy changed over the twentieth century. As petroleum became crucial to the military and then economic security of the United States, the federal government sought to develop emergency petroleum reserves first for the military, then for the civilian economy. But while the American petroleum industry could deliver the energy "goods" to American energy consumers at a reasonable price, the companies reigned supreme in the political equation. While that was true, federal petroleum reserve programs and proposals conflicted with and were overwhelmed by the historic American tradition of individual economic and private property rights. The depletion of American petroleum reserves changed that political equation, and the ensuing energy crises of the 1970s not only

Organizing the Electronic Century

OpenAIRE

Richard N. Langlois

2007-01-01

This paper's title is an echo of Alfred Chandler's (2001) chronicle of the electronics industry, Inventing the Electronic Century. The paper attempts (A) a general reinterpretation of the pattern of technological advance in (American) electronics over the twentieth century and (B) a somewhat revisionist account of the role of organization and institution in that advance. The paper stresses the complex effects of product architecture and intellectual property regime on industrial organization ...

Riemannian geometry during the second half of the twentieth century

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Berger, Marcel

1999-01-01

In the last fifty years of the twentieth century Riemannian geometry has exploded with activity. Berger marks the start of this period with Rauch's pioneering paper of 1951, which contains the first real pinching theorem and an amazing leap in the depth of the connection between geometry and topology. Since then, the field has become so rich that it is almost impossible for the uninitiated to find their way through it. Textbooks on the subject invariably must choose a particular approach, thus narrowing the path. In this book, Berger provides a truly remarkable survey of the main developments in Riemannian geometry in the last fifty years, focusing his main attention on the following five areas: Curvature and topology; the construction of and the classification of space forms; distinguished metrics, especially Einstein metrics; eigenvalues and eigenfunctions of the Laplacian; the study of periodic geodesics and the geodesic flow. Other topics are treated in less detail in a separate section. Berger's survey p...

The Century of Education. CEE DP 109

Science.gov (United States)

Morrisson, Christian; Murtin, Fabrice

2009-01-01

Global economic transformations have never been as dramatic as in the twentieth century. Most countries have experienced radical changes in the standards of income per capita, technology, fertility, mortality, income inequality and the extent of democracy in the course of the past century. It is the goal of many disciplines--economics, history,…

Ọmọ̀jọ́lá, Bodé. Yorùbá Music in the Twentieth Century: Identity, Agency and Performance Practice

OpenAIRE

Vallier, Gilles-Félix

2017-01-01

Ọmọ̀jọ́lá, Bodé. — Yorùbá Music in the Twentieth Century : Identity, Agency and Performance Practice. New York, University of Rochester Press ; Eastman, Rochester Studies in Ethnomusicology, 2012, 285 p., bibl., ill., CD. Yorùbá Music in the Twentieth Century de Bodé Ọmọ̀jọ́lá déconstruit efficacement la notion d'une culture musicale yorùbá singulière, découvrant à la place une tapisserie pittoresque de traditions socialement et esthétiquement diverses, lesquelles sont unies, dans bien des ...

The Role of Degeneration Theory in the Understanding of Mental Illness, Colombia First Half of the Twentieth Century

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María Fernanda Vásquez Valencia

2018-01-01

Full Text Available Based on medical journals and theses from the first half of the twentieth century, this article analyzes the role played by the theory of degeneration in the understanding of mental illness in Colombia. It is particularly interesting to show how Colombian physicians have appropriated concepts such as degeneration, diathesis, morbid heredity and stigmas of degeneration since the early 20th century to describe, classify and define mental illnesses present in Colombian territory. During this period the theory of degeneration served as the conceptual and theoretical framework for understanding the etiology, genesis and evolution of mental illness.

Has psychology "found its true path"? Methods, objectivity, and cries of "crisis" in early twentieth-century French psychology.

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Carson, John

2012-06-01

This article explores how French psychologists understood the state of their field during the first quarter of the twentieth century, and whether they thought it was in crisis. The article begins with the Russian-born psychologist Nicolas Kostyleff and his announcement in 1911 that experimental psychology was facing a crisis. After briefly situating Kostyleff, the article examines his analysis of the troubles facing experimental psychology and his proposed solution, as well as the rather muted response his diagnosis received from the French psychological community. The optimism about the field evident in many of the accounts surveying French psychology during the early twentieth century notwithstanding, a few others did join Kostyleff in declaring that all was not well with experimental psychology. Together their pronouncements suggest that under the surface, important unresolved issues faced the French psychological community. Two are singled out: What was the proper methodology for psychology as a positive science? And what kinds of practices could claim to be objective, and in what sense? The article concludes by examining what these anxieties reveal about the type of science that French psychologists hoped to pursue. Copyright © 2011 Elsevier Ltd. All rights reserved.

An assemblage of science and home. The gendered lifestyle of Svante Arrhenius and early twentieth-century physical chemistry.

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Bergwik, Staffan

2014-06-01

This essay explores the gendered lifestyle of early twentieth-century physics and chemistry and shows how that way of life was produced through linking science and home. In 1905, the Swedish physical chemist Svante Arrhenius married Maja Johansson and established a scientific household at the Nobel Institute for Physical Chemistry in Stockholm. He created a productive context for research in which ideas about marriage and family were pivotal. He also socialized in similar scientific sites abroad. This essay displays how scholars in the international community circulated the gendered lifestyle through frequent travel and by reproducing gendered behavior. Everywhere, husbands and wives were expected to perform distinct duties. Shared performances created loyalties across national divides. The essay thus situates the physical sciences at the turn of the twentieth century in a bourgeois gender ideology. Moreover, it argues that the gendered lifestyle was not external to knowledge making but, rather, foundational to laboratory life. A legitimate and culturally intelligible lifestyle produced the trust and support needed for collaboration. In addition, it enabled access to prestigious facilities for Svante Arrhenius, ultimately securing his position in international physical chemistry.

Pain: metaphor, body, and culture in Anglo-American societies between the eighteenth and twentieth centuries.

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Bourke, Joanna

2014-10-02

This article explores the relationship between metaphorical languages, body, and culture, and suggests that such an analysis can reveal a great deal about the meaning and experience of pain in Anglo-American societies between the eighteenth and twentieth centuries. It uses concepts within embodied cognition to speculate on how historians can write a history of sensation. Bodies are actively engaged in the linguistic processes and social interactions that constitute painful sensations. Language is engaged in a dialogue with physiological bodies and social environments. And culture collaborates in the creation of physiological bodies and metaphorical systems.

Hungarian Population Discourses in the Twentieth Century: The Problem of Declining Birth Rates

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Ildikó Szántó

2016-01-01

Full Text Available Falling birth rates had already been recorded as early as the late-eighteenth century in south-western Hungary in the Ormánság. Population loss from low birth rate remained one of the main topics writers and sociologists focused on in the twentieth century. The issue of Hungarian population decline was highlighted among the social ills in the interwar period, which was one of several subjects that divided intellectuals into ‘populists’ and ‘urbanites’. Following the impact of the low birth rate figures in the 1960s, the populists’ views of the 1930s resurfaced in public discourse in the 1960s and 1970s and up to the present day. The concern about the increasing trend of single-child families in rural settlements as well as in urban areas appeared in the various works of Hungarian writers and journalists throughout the previous century. The present paper intends to focus on the intellectual background to the public debates on the population issue, outlining the accounts of the interwar ‘village explorers’ briefly, and the way they are related to the pre-Second World War populist movement. Finally the reappearance of the debates between populists and non-populists of the 1970s is discussed, a debate that is still continuing.

Hidden in plain sight marketing prescription drugs to consumers in the twentieth century.

Science.gov (United States)

Greene, Jeremy A; Herzberg, David

2010-05-01

Although the public health impact of direct-to-consumer (DTC) pharmaceutical advertising remains a subject of great controversy, such promotion is typically understood as a recent phenomenon permitted only by changes in federal regulation of print and broadcast advertising over the past two decades. But today's omnipresent ads are only the most recent chapter in a longer history of DTC pharmaceutical promotion (including the ghostwriting of popular articles, organization of public-relations events, and implicit advertising of products to consumers) stretching back over the twentieth century. We use trade literature and archival materials to examine the continuity of efforts to promote prescription drugs to consumers and to better grapple with the public health significance of contemporary pharmaceutical marketing practices.

Some doctors of medicine who published optometry books and played significant roles in early twentieth century optometric education.

Science.gov (United States)

Goss, David A

2011-01-01

This paper provides brief profiles of four doctors of medicine who wrote books for optometrists and who were faculty members in, and/or directors of, optometry schools in the early twentieth century. Those studied were Thomas G. Atkinson (1870-1946), Marshall B. Ketchum (1856-1937), Joseph I. Pascal (1890-1955), and Clarence W. Talbot (1883-1958). The content of the books they wrote is also discussed.

Probabilistic precipitation and temperature downscaling of the Twentieth Century Reanalysis over France

Science.gov (United States)

Caillouet, Laurie; Vidal, Jean-Philippe; Sauquet, Eric; Graff, Benjamin

2016-03-01

This work proposes a daily high-resolution probabilistic reconstruction of precipitation and temperature fields in France over the 1871-2012 period built on the NOAA Twentieth Century global extended atmospheric reanalysis (20CR). The objective is to fill in the spatial and temporal data gaps in surface observations in order to improve our knowledge on the local-scale climate variability from the late nineteenth century onwards. The SANDHY (Stepwise ANalogue Downscaling method for HYdrology) statistical downscaling method, initially developed for quantitative precipitation forecast, is used here to bridge the scale gap between large-scale 20CR predictors and local-scale predictands from the Safran high-resolution near-surface reanalysis, available from 1958 onwards only. SANDHY provides a daily ensemble of 125 analogue dates over the 1871-2012 period for 608 climatically homogeneous zones paving France. Large precipitation biases in intermediary seasons are shown to occur in regions with high seasonal asymmetry like the Mediterranean. Moreover, winter and summer temperatures are respectively over- and under-estimated over the whole of France. Two analogue subselection methods are therefore developed with the aim of keeping the structure of the SANDHY method unchanged while reducing those seasonal biases. The calendar selection keeps the analogues closest to the target calendar day. The stepwise selection applies two new analogy steps based on similarity of the sea surface temperature (SST) and the large-scale 2 m temperature (T). Comparisons to the Safran reanalysis over 1959-2007 and to homogenized series over the whole twentieth century show that biases in the interannual cycle of precipitation and temperature are reduced with both methods. The stepwise subselection moreover leads to a large improvement of interannual correlation and reduction of errors in seasonal temperature time series. When the calendar subselection is an easily applicable method suitable in

Educational Ideas in Geography Education in Sweden during the Nineteenth and Early Twentieth Centuries: The Relationship between Maps and Texts

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Hennerdal, Pontus

2015-01-01

Descriptions of the geography education of the nineteenth and early twentieth centuries in Sweden are typically offered to contrast with current ideas in geography education, and the content of geography textbooks is the focus of this comparison. The role of maps and visual pedagogy are ignored, and the educational ideas developed from regional…

Theory versus Practice in the Twentieth-Century Search for the Ideal Anaesthetic Gas.

Science.gov (United States)

Rae, Ian D

2016-02-01

At the beginning of the twentieth century, an anaesthetist could choose between nitrous oxide, chloroform, and ether (diethyl ether) for the induction of painrelieving unconsciousness. By the end of century, the choice was between a small number of fluorinated aliphatic ethers such as Enflurane, Desflurane, and Sevoflurane, and (in some jurisdictions) the rare gas, xenon. Between these endpoints researchers had identified a surprisingly broad range of hydrocarbons, noble gases, organohalogens, and aliphatic ethers that possessed anaesthetic properties. None was entirely satisfactory, but clinicians at various times and in various places employed substances in each of these categories. Behind the search for new anaesthetic gases was a theory of action (Meyer- Overton theory) that was known to be inadequate, but as no alternative was strong enough to displace it the search continued on purely empirical grounds, while lip-service was paid to the theory. By the time a theory couched in more modern terms was proposed, a suite of modern anaesthetic gases was in place, and there have been no attempts to use that theory to drive a new search.

J. E. W. Wallin's Diagnostic Theory for Classifying the Feeble-Minded and Backward in Early Twentieth-Century Public Schools in America

Science.gov (United States)

Yoshii, Ryo

2016-01-01

In the late nineteenth and early twentieth centuries, American psychologists began addressing problems related to the intellectual capacity of students enrolled in public schools. This paper focuses on the role and influence of psychologists in addressing these problems, specifically the difficulty of classifying students deemed feeble-minded and…

The concept of ‘transcendence’ in modern Western philosophy and in twentieth century Hindu thought

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Ferdinando SARDELLA

2016-06-01

Full Text Available ‘Transcendence’ has been a key subject of Western philosophy of religion and history of ideas. The meaning of transcendence, however, has changed over time. The article looks at some perspectives offered by the nineteenth and the twentieth century Anglo‑American and continental European philosophers of religion and presents their views in relation to the concept of transcendence formulated by the Bengali Hindu traditionalist Bhaktisiddhanta Sarasvati (1874–1937. The questions raised are what transcendence in the philosophy of religion is, how one can speak of it, and what its goal is. The paper points to parallels and differences in epistemology, ontology and practice. One difference is that the nineteenth and the twentieth century Western philosophy of religion tended to assume an ontological difference between self and transcendence inherited from personalities such as Søren Kierkegaard, but also to explore the concept of transcendence beyond the idea of a metaphysical God. Bhaktisiddhanta, whose foundational thought mirrors medieval Hindu philosophy of religion and the theistic schools of Vedānta, suggests that transcendence has a metaphysical and personal dimension that is to some degree ontologically similar to and directly knowable by the self. Bhaktisiddhanta’s approach to transcendence differs from Kierkegaard’s and other Western philosophers’ and revolves around the idea of God as a transcendent person that can be directly known morphologically and ontologically through devotion. The article is a contribution to the history of ideas and the philosophy of religion in Eurasia and beyond.

HIDDEN in PLAIN SIGHT Marketing Prescription Drugs to Consumers in the Twentieth Century

Science.gov (United States)

Herzberg, David

2010-01-01

Although the public health impact of direct-to-consumer (DTC) pharmaceutical advertising remains a subject of great controversy, such promotion is typically understood as a recent phenomenon permitted only by changes in federal regulation of print and broadcast advertising over the past two decades. But today's omnipresent ads are only the most recent chapter in a longer history of DTC pharmaceutical promotion (including the ghostwriting of popular articles, organization of public-relations events, and implicit advertising of products to consumers) stretching back over the twentieth century. We use trade literature and archival materials to examine the continuity of efforts to promote prescription drugs to consumers and to better grapple with the public health significance of contemporary pharmaceutical marketing practices. PMID:20299640

Aerological observations in the tropics in the early twentieth century

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Broennimann, Stefan; Stickler, Alexander [Bern Univ. (Switzerland). Oeschger Centre for Climate Change Research and Inst. of Geography

2013-10-15

In the first decades of the 20{sup th} century, aerological observations were for the first time performed in tropical regions. One of the most prominent endeavours in this respect was Arthur Berson's aerological expedition to East Africa. Although the main target was the East African monsoon circulation, the expedition provided also other insights that profoundly changed meteorology and climatology. Berson observed that the tropical tropopause was much higher and colder than that over midlatitudes. Moreover, westerly winds were observed in the lower stratosphere, apparently contradicting the high-altitude equatorial easterly winds that were known since the Krakatoa eruption ('Krakatoa easterlies'). The puzzle was only resolved five decades later with the discovery of the Quasi-Biennial Oscillation (QBO). In this paper we briefly summarize the expedition of Berson and review the results in a historical context and in the light of the current research. In the second part of the paper we re-visit Berson's early aerological observations, which we have digitized. We compare the observed wind profiles with corresponding profiles extracted from the 'Twentieth Century Reanalysis', which provides global three-dimensional weather information back to 1871 based on an assimilation of sea-level and surface pressure data. The comparison shows a good agreement at the coast but less good agreement further inland, at the shore of Lake Victoria, where the circulation is more complex. These results demonstrate that Berson's observations are still valuable today as input to current reanalysis systems or for their validation. (orig.)

Charles Darwin's reputation: how it changed during the twentieth-century and how it may change again.

Science.gov (United States)

Amundson, Ron

2014-01-01

Charles Darwin died in 1882. During the twentieth century his reputation varied through time, as the scientific foundation of evolutionary theory changed. Beginning the century as an intellectual hero, he soon became a virtual footnote as experimental approaches to evolution began to develop. As the Modern Synthesis developed his reputation began to rise again until eventually he was identified as a founding father of the Modern Synthesis itself. In the meantime, developmental approaches to evolution began to challenge certain aspects of the Modern Synthesis. Synthesis authors attempted to refute the relevance of development by methodological arguments, some of them indirectly credited to Darwin. By the end of the century, molecular genetics had given new life to development approaches to evolution, now called evo devo. This must be seen as a refutation of the aforesaid methodological arguments of the Modern Synthesis advocates. By the way, we can also see now how the historiography that credited Darwin with the Synthesis was in error. In conclusion, one more historical revision is suggested. Copyright © 2014 Elsevier Ltd. All rights reserved.

Communal Cattle in Mixteca Alta: From Colonial Times to the Twentieth Century. The Case of Tepelmeme

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Edgar Mendoza García

2002-04-01

Full Text Available This is an analysis of the political  and economic factors than allowed the keeping of a herd of goats as communal property from the  república de indios of the colonial period until municipal administrations at the beginning of the twentieth century  in the region called the Mixteca Alta. The case of Tepelmeme, Oaxaca, is the basis of an account of the economic importance of communal property in the local governments of villages and  municipios, as well of the opposition of villages to liberal laws of the nineteenth century. In short, during the colonial period and part of the nineteenth century,  communal property was the main economic support of Indian villages. Not only was this property equivalent to communal  savings kept  for  critical  moments, but  also  an  economic means  that  allowed financing public  administration and  paying for religious services. Moreover, it was a factor that gave cohesion to these villages and inserted them into a regional economy.

How the nerves reached the muscle: Bernard Katz, Stephen W. Kuffler, and John C. Eccles-Certain implications of exile for the development of twentieth-century neurophysiology.

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Stahnisch, Frank W

2017-01-01

This article explores the work by Bernard Katz (1911-2003), Stephen W. Kuffler (1913-1980), and John C. Eccles (1903-1997) on the nerve-muscle junction as a milestone in twentieth-century neurophysiology with wider scientific implications. The historical question is approached from two perspectives: (a) an investigation of twentieth-century solutions to a longer physiological dispute and (b) an examination of a new kind of laboratory and academic cooperation. From this vantage point, the work pursued in Sydney by Sir John Carew Eccles' team on the neuromuscular junction is particularly valuable, since it contributed a central functional element to modern physiological understanding regarding the function and structure of the human and animal nervous system. The reflex model of neuromuscular action had already been advanced by neuroanatomists such as Georg Prochaska (1749-1820) in Bohemia since the eighteenth century. It became a major component of neurophysiological theories during the nineteenth century, based on the law associated with the names of François Magendie (1783-1855) in France and Charles Bell (1774-1842) in Britain regarding the functional differences of the sensory and motor spinal nerves. Yet, it was not until the beginning of the twentieth century that both the histological and the neurophysiological understanding of the nerve-muscle connection became entirely understood and the chemical versus electrical transmission further elicited as the mechanisms of inhibition. John C. Eccles, Bernard Katz, and Stephen W. Kuffler helped to provide some of the missing links for modern neurophysiology. The current article explores several of their scientific contributions and investigates how the context of forced migration contributed to these interactions in contingently new ways.

Twentieth century North Atlantic climate change. Part II: Understanding the effect of Indian Ocean warming

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Hoerling, M.P.; Xu, T.; Bates, G.T. [Climate Diagnostics Center NOAA, Boulder, CO 80305-3328 (United States); Hurrell, J.W.; Phillips, A.S. [National Center for Atmospheric Research, Boulder, CO (United States)

2004-09-01

Ensembles of atmospheric general circulation model (AGCM) experiments are used in an effort to understand the boreal winter Northern Hemisphere (NH) extratropical climate response to the observed warming of tropical sea surface temperatures (SSTs) over the last half of the twentieth Century. Specifically, we inquire about the origins of unusual, if not unprecedented, changes in the wintertime North Atlantic and European climate that are well described by a linear trend in most indices of the North Atlantic Oscillation (NAO). The simulated NH atmospheric response to the linear trend component of tropic-wide SST change since 1950 projects strongly onto the positive polarity of the NAO and is a hemispheric pattern distinguished by decreased (increased) Arctic (middle latitude) sea level pressure. Progressive warming of the Indian Ocean is the principal contributor to this wintertime extratropical response, as shown through additional AGCM ensembles forced with only the SST trend in that sector. The Indian Ocean influence is further established through the reproducibility of results across three different models forced with identical, idealized patterns of the observed warming. Examination of the transient atmospheric adjustment to a sudden ''switch-on'' of an Indian Ocean SST anomaly reveals that the North Atlantic response is not consistent with linear theory and most likely involves synoptic eddy feedbacks associated with changes in the North Atlantic storm track. The tropical SST control exerted over twentieth century regional climate underlies the importance of determining the future course of tropical SST for regional climate change and its uncertainty. Better understanding of the extratropical responses to different, plausible trajectories of the tropical oceans is key to such efforts. (orig.)

Salamanca’s theater and musical activity in the first quarter of twentieth century through the local press

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Francisco José Álvarez García

2011-06-01

Full Text Available The theaters at the beginning of twentieth century are one of the main focuses in which condenses the musician-artistic activity of small and large Spanish cities. Salamanca could not be less and in the three capitals theaters “Liceo”, “Bretón” and “Moderno” we find a very rich musical activity like Zarzuelas, Concerts, Lyric Theatre, Tunas, etc., which will make to Salamanca the most important center of the music scene in the province until almost the Second Spanish Republic.

The other woman and her child: extra-marital affairs and illegitimacy in twentieth-century Britain.

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Evans, Tanya Evans

2011-01-01

This article investigates the numbers of 'other women' and their children up until the 1960s in Britain. It analyses 'irregular and illicit unions' in the records of the National Council for the Unmarried Mother and her Child (now One Parent Families/Gingerbread), and explores evidence on these unions in the debates over the passage of the Divorce Acts of 1923 and 1937 as well as the Legitimacy Acts of 1926 and 1959. It suggests that the prevalence of illicit unions throughout the twentieth century and before allows us to question contemporary concerns about our supposed 'divorcing society' and the decline of family life in modern Britain.

The Establishment of a Car-Based Leisure Regime in Twentieth Century Europe

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Cassamagnaghi, Silvia; Moretto, Giovanni; Wagner, Michael

Comparative analysis of tourism and of its development in three different countries – Denmark, Italy and Soviet Union – has revealed the importance of the car as the keystone for changes in the habits of leisure time consumption all over in Europe. Even considering the specific features (social......, economic and political) of each country, and the different decades in which this phenomenon has occurred, “individual” travel and stay has become, in Twentieth Century, the characteristics of dominance over other forms of organized and “collective” tourism. “Gentlemen, we do not make this tour to drive. We...... wishes. A better mobility created also a new situation about Italian tourism national demand, transforming – sometimes radically – the landscape and the Italian “hospitality industry”, in order to satisfy the needs of a “democratic” holiday. The Soviet State-Party had carefully considered what...

Natural histories of infectious disease: ecological vision in twentieth-century biomedical science.

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Anderson, Warwick

2004-01-01

During the twentieth century, disease ecology emerged as a distinct disciplinary network within infectious diseases research. The key figures were Theobald Smith, F. Macfarlane Burnet, René Dubos, and Frank Fenner. They all drew on Darwinian evolutionism to fashion an integrative (but rarely holistic) understanding of disease processes, distinguishing themselves from reductionist "chemists" and mere "microbe hunters." They sought a more complex, biologically informed epidemiology. Their emphasis on competition and mutualism in the animated environment differed from the physical determinism that prevailed in much medical geography and environmental health research. Disease ecology derived in part from studies of the interaction of organisms - micro and macro - in tropical medicine, veterinary pathology, and immunology. It developed in postcolonial settler societies. Once a minority interest, disease ecology has attracted more attention since the 1980s for its explanations of disease emergence, antibiotic resistance, bioterrorism, and the health impacts of climate change.

Twentieth-century fire patterns in the Selway-Bitterroot Wilderness Area, Idaho/Montana, and the Gila/Aldo Leopold Wilderness Complex, New Mexico

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Matthew Rollins; Tom Swetnam; Penelope Morgan

2000-01-01

Twentieth century fire patterns were analyzed for two large, disparate wilderness areas in the Rocky Mountains. Spatial and temporal patterns of fires were represented as GIS-based digital fire atlases compiled from archival Forest Service data. We find that spatial and temporal fire patterns are related to landscape features and changes in land use. The rate and...

Comparing early twentieth century and present-day atmospheric pollution in SW France: A story of lichens

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Agnan, Y.; Séjalon-Delmas, N.; Probst, A.

2013-01-01

Lichens have long been known to be good indicators of air quality and atmospheric deposition. Xanthoria parietina was selected to investigate past (sourced from a herbarium) and present-day trace metal pollution in four sites from South-West France (close to Albi). Enrichment factors, relationships between elements and hierarchical classification indicated that the atmosphere was mainly impacted by coal combustion (as shown by As, Pb or Cd contamination) during the early twentieth century, whereas more recently, another mixture of pollutants (e.g. Sb, Sn, Pb and Cu) from local factories and car traffic has emerged. The Rare Earth Elements (REE) and other lithogenic elements indicated a higher dust content in the atmosphere in the early twentieth century and a specific lithological local signature. In addition to long-range atmospheric transport, local urban emissions had a strong impact on trace element contamination registered in lichens, particularly for contemporary data. - Highlights: ► We compared metal concentrations registered in contemporary and early 1900's lichens. ► In the past, As, Pb and Cd were enriched due to coal combustion. ► Nowadays, a new mixture of enriched contaminants (Sb, Sn, Pb and Cu) was evidenced. ► REE originated from local bedrock and proved an increased dust deposition in the past. ► Lichens recorded both local and long-range atmospheric contamination. - Using lichens registration, past (As, Pb, Cd) and recent (Sb, Sn, Cu) atmospheric pollution from local and long-range transport, as well as dust deposition, was evidenced in SW France.

Maintaining Masculinity in Mid-Twentieth-Century American Psychology: Edwin Boring, Scientific Eminence, and the "Woman Problem".

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Rutherford, Alexandra

2015-01-01

Using mid-twentieth-century American psychology as my focus, I explore how scientific psychology was constructed as a distinctly masculine enterprise and was navigated by those who did not conform easily to this masculine ideal. I show how women emerged as problems for science through the vigorous gatekeeping activities and personal and professional writings of disciplinary figurehead Edwin G. Boring. I trace Boring's intellectual and professional socialization into masculine science and his efforts to understand women's apparent lack of scientific eminence, efforts that were clearly undergirded by preexisting and widely shared assumptions about men's and women's capacities and preferences.

The history of 'Social Technology', 1898-1930

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Derksen, Maarten; Wierenga, Tjardie

2013-01-01

Since the term was first coined, in the late nineteenth century, 'social technology' has had a mixed fate. Whereas 'technology' has become one of the keywords of the twentieth century, 'social technology' never quite seemed to settle in the vocabulary of social theory. In this article, we focus on

Illustrating phallic worship: uses of material objects and the production of sexual knowledge in eighteenth-century antiquarianism and early twentieth-century sexual science.

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Funke, Jana; Fisher, Kate; Grove, Jen; Langlands, Rebecca

2017-07-03

This article reveals previously overlooked connections between eighteenth-century antiquarianism and early twentieth-century sexual science by presenting a comparative reading of two illustrated books: An Account of the Remains of the Worship of Priapus , by British antiquarian scholar Richard Payne Knight (1750-1824), and Die Weltreise eines Sexualforschers (The World Journey of a Sexologist), by German sexual scientist Magnus Hirschfeld (1868-1935). A close analysis of these publications demonstrates the special status of material artefacts and the strategic engagement with visual evidence in antiquarian and scientific writings about sex. Through its exploration of the similarities between antiquarian and sexual scientific thought, the article demonstrates the centrality of material culture to the production of sexual knowledge in the Western world. It also opens up new perspectives on Western intellectual history and on the intellectual origins of sexual science. While previous scholarship has traced the beginnings of sexual science back to nineteenth-century medical disciplines, this article shows that sexual scientists drew upon different forms of evidence and varied methodologies to produce sexual knowledge and secure scientific authority. As such, sexual science needs to be understood as a field with diverse intellectual roots that can be traced back (at least) to the eighteenth century.

A Tale of Two Tails : Establishment Size and Labour Productivity in United States and German Manufacturing at the Start of the Twentieth Century

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Veenstra, Joost; de Jong, Herman

This paper studies the importance of establishment size for the German/US labour-productivity gap in manufacturing at the start of the twentieth century. First, we show that the left tail of the employment distribution by establishment size was larger in Germany than in the USA. Second, using US

[Constant or break? On the relations between human genetics and eugenics in the Twentieth Century].

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Germann, Pascal

2015-07-01

The history of human genetics has been a neglected topic in history of science and medicine for a long time. Only recently, have medical historians begun to pay more attention to the history of human heredity. An important research question deals with the interconnections between human genetics and eugenics. This paper addresses this question: By focusing on a Swiss case study, the investigation of the heredity of goiter, I will argue that there existed close but also ambiguous relations between heredity research and eugenics in the twentieth century. Studies on human heredity often produced evidence that challenged eugenic aims and ideas. Concurrently, however, these studies fostered visions of genetic improvement of human populations.

The losting memory and the mourning writing in two Portuguese novels of the second half of twentieth century

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Maristela Kirst de Lima Girola

2017-12-01

Full Text Available This essay aims to analyze how is the writing of the mourning in two Portuguese novels, A Sibila (1954 by Agustina Bessa-Luís and Não entres tão depressa nessa noite escura (2000 by António Lobo Antunes. These novels have different literary styles and were published in different moments in the second half of the twentieth century, but both use the memory as an important resource for telling about traumatic events in the life of those characters who responsible for the writing.

A Century of Plant Pathology: A Retrospective View on Understanding Host-Parasite Interactions.

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Keen, N T

2000-09-01

▪ Abstract  The twentieth century has been productive for the science of plant pathology and the field of host-parasite interactions-both in understanding how pathogens and plant defense work and in developing more effective means of disease control. Early in the twentieth century, plant pathology adopted a philosophy that encouraged basic scientific investigation of pathogens and disease defense. That philosophy led to the strategy of developing disease-resistant plants as a prima facie disease-control measure-and in the process saved billions of dollars and avoided the use of tons of pesticides. Plant pathology rapidly adopted molecular cloning and its spin-off technologies, and these have fueled major advances in our basic understanding of plant diseases. This knowledge and the development of efficient technologies for producing transgenic plants convey optimism that plant diseases will be more efficiently controlled in the twenty-first century.

Causes and impacts of changes in the Arctic freshwater budget during the twentieth and twenty-first centuries in an AOGCM

Energy Technology Data Exchange (ETDEWEB)

Arzel, Olivier [University of New South Wales, Climate and Environmental Dynamics Laboratory, School of Mathematics and Statistics, Sydney, NSW (Australia); Fichefet, Thierry; Goosse, Hugues [Universite Catholique de Louvain, Institut d' Astronomie et de Geophysique G. Lemaitre, Louvain-la-Neuve (Belgium); Dufresne, Jean-Louis [Institut Pierre Simon Laplace UPMC/CNRS, Laboratoire de Meteorologie Dynamique, Paris (France)

2008-01-15

The fourth version of the atmosphere-ocean general circulation (AOGCM) model developed at the Institut Pierre-Simon Laplace (IPSL-CM4) is used to investigate the mechanisms influencing the Arctic freshwater balance in response to anthropogenic greenhouse gas forcing. The freshwater influence on the interannual variability of deep winter oceanic convection in the Nordic Seas is also studied on the basis of correlation and regression analyses of detrended variables. The model shows that the Fram Strait outflow, which is an important source of freshwater for the northern North Atlantic, experiences a rapid and strong transition from a weak state toward a relatively strong state during 1990-2010. The authors propose that this climate shift is triggered by the retreat of sea ice in the Barents Sea during the late twentieth century. This sea ice reduction initiates a positive feedback in the atmosphere-sea ice-ocean system that alters both the atmospheric and oceanic circulations in the Greenland-Iceland-Norwegian (GIN)-Barents Seas sector. Around year 2080, the model predicts a second transition threshold beyond which the Fram Strait outflow is restored toward its original weak value. The long-term freshening of the GIN Seas is invoked to explain this rapid transition. It is further found that the mechanism of interannual changes in deep mixing differ fundamentally between the twentieth and twenty-first centuries. This difference is caused by the dominant influence of freshwater over the twenty-first century. In the GIN Seas, the interannual changes in the liquid freshwater export out of the Arctic Ocean through Fram Strait combined with the interannual changes in the liquid freshwater import from the North Atlantic are shown to have a major influence in driving the interannual variability of the deep convection during the twenty-first century. South of Iceland, the other region of deep water renewal in the model, changes in freshwater import from the North Atlantic

Holocaust and strategic bombing: case studies in the psychology, organization, and technology of mass killing in the twentieth century

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Markusen, E.R.

1986-01-01

After preliminary discussion of the unprecedented scale of mass killing in the twentieth century, the threat of nuclear war, and the widespread neglect of these issues, the literature on two major types of government sanctioned mass killing is reviewed; genocide, in which a government slaughters its own citizens or subjects, and total war, in which two or more governments slaughter each other's civilian citizens or subjects. This literature review reaches two basic conclusions: (1) there is considerable inconsistency and ambiguity among definitions of genocide and total war; and (2) there is a controversy regarding how distinct or similar the two forms of mass killing actually are. A comparative historical analysis was undertaken in which the Nazi Holocaust was selected as an example of genocide, and the Allied strategic bombing campaigns during World War II were selected to exemplify total war. The two cases are compared in terms of a conceptual framework of five hypothesized facilitating factors. On the basis of this comparative analysis, four or the five hypothesized facilitating factors are found to have played important roles in both cases. The findings of the study are discussed, and their implications for the threat of nuclear holocaust are explored.

Women and political struggles: achievements and limitations lived in the second half of twentieth century

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Flávia Fernandes de Carvalhaes

2016-06-01

Full Text Available The second half of the twentieth century was a period marked by important achievements and setbacks in the struggle for women's rights field. This study mapped out and described part of speeches, images and movements undertaken in that historical period and its effects on people's lives. Adopting a perspective of historical and theoretical analysis, the description looked up, first, the struggles carried out in some countries of Europe and the United States, highlighting its main challenges and difficulties. Then, the struggles undertaken are mapped in Brazil, with the analysis axis facing women inequality. Finally, it is considered that the political struggles carried out in the analyzed period had as greatest merits the disruption and exploitation of gender boundaries.

Argentina in the late nineteenth century and early twentieth century: the intellectual field in Criminalogia Moderna magazine and its relation to the positivist project

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Hugo de Carvalho Quinta

2016-10-01

Full Text Available This article aims to discuss the beginning of criminology in Argentina in the late nineteenth century and early twentieth century, to understand how it was articulated during the nation-state building process. To achieve this purpose, a state project reflection unfolded in criminological perspective that is based on legal positivism of the period was made. The country was forefront in interest in criminology in that some intellectuals jurists published numerous articles on the crime studies in the first criminology journal of Argentina, Criminalogia Moderna magazine, founded in 1898 and directed by the teacher, lawyer and intellectual Italian, Pietro Gori. The influence of European sociological perspective in Argentina criminology can be seen from a literature review. The examination of some articles published in the journal indicates how criminology introduced in Europe grounds the buenosairean intellectuality. Some authors have linked criminology with social phenomena of a nation increasingly industrialized, proletarianized, politicized and urbanized.

Between biomedical and psychological experiments: The unexpected connections between the Pasteur Institutes and the study of animal mind in the second quarter of twentieth-century France.

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Thomas, Marion

2016-02-01

This article explores the unexpected connections between the Pasteur Institute in French Guinea and the study of animal mind in early twentieth century France. At a time when the study of animal intelligence was thriving in France and elsewhere, apes were appealing research subjects both in psychological and biomedical studies. Drawing on two case studies (Guillaume/Meyerson and Urbain), and then, on someone responding negatively to those connections, Thétard, this article shows how the long reach of biomedicine (linked to the prestige of Bernard and Pasteur) impinged on French biology and played a role in the tortuous, if not unsuccessful fate of animal psychology in France in the second quarter of the twentieth century. It shows how attempts to use apes (and other zoo animals) to yield new insights on animal psychology faced heavy restrictions or experienced false starts, and examines the reasons why animal psychology could not properly thrive at that time in France. Beyond the supremacy of biomedical interests over psychological ones, this article additionally explains that some individuals used animal behaviour studies as steppingstones in careers in which they proceeded on to other topics. Finally, it illustrates the tension between non-academic and academic people at a time when animal psychology was trying to acquire scientific legitimacy, and also highlights the difficulties attached to the scientific study of animals in a multipurpose and hybrid environment such as the early twentieth century Parisian zoo and also the Pasteur Institute of French Guinea. Copyright © 2015 Elsevier Ltd. All rights reserved.

Balkans as a cultural symbol in the Serbian music of the first half of the twentieth century

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Milanović Biljana

2008-01-01

Full Text Available Focus on the internalization of Western images in the Balkans has special significance in researching Serbian art. The functioning of Balkanism as it overlapped and intersected with Orientalism is indicated in the text by an examination of the cases of Petar Konjović, Miloje Milojević and Josip Slavenski, the three significant composers working in Serbia during the first half of the twentieth century. Their modernistic projects present different metaphors of the Balkans. Nevertheless each of them is marked by desire to change the Balkan image into a 'positive' one and thus stands as a special voice for Serbian and regional placing in European competition for musical spaces.

A historical perspective on the development of modern concepts of tissue perfusion: prehistory to the twentieth century.

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Ashby, Nathan; Squiers, Joshua

2014-09-01

The historical development of the concept of perfusion is traced, with particular focus on the development of the modern clinical concepts of perfusion through the fields of anatomy, physiology, and biochemistry. This article reviews many of the significant contributors to the changing ideas of perfusion up through the twentieth century that have influenced the modern physiologic circulatory and metabolic models. The developments outlined have provided the modern model of perfusion, linking the cardiopulmonary circulation, tissue oxygen utilization and carbon dioxide production, food intake, tissue waste production and elimination, and ultimately the production and utilization of ATP in the body. Copyright © 2014 Elsevier Inc. All rights reserved.

Multi-year climate variability in the Southwestern United States within a context of a dynamically downscaled twentieth century reanalysis

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Carrillo, Carlos M.; Castro, Christopher L.; Chang, Hsin-I.; Luong, Thang M.

2017-12-01

This investigation evaluates whether there is coherency in warm and cool season precipitation at the low-frequency scale that may be responsible for multi-year droughts in the US Southwest. This low-frequency climate variability at the decadal scale and longer is studied within the context of a twentieth-century reanalysis (20CR) and its dynamically-downscaled version (DD-20CR). A spectral domain matrix methods technique (Multiple-Taper-Method Singular Value Decomposition) is applied to these datasets to identify statistically significant spatiotemporal precipitation patterns for the cool (November-April) and warm (July-August) seasons. The low-frequency variability in the 20CR is evaluated by exploring global to continental-scale spatiotemporal variability in moisture flux convergence (MFC) to the occurrence of multiyear droughts and pluvials in Central America, as this region has a demonstrated anti-phase relationship in low-frequency climate variability with northern Mexico and the southwestern US By using the MFC in lieu of precipitation, this study reveals that the 20CR is able to resolve well the low-frequency, multiyear climate variability. In the context of the DD-20CR, multiyear droughts and pluvials in the southwestern US (in the early twentieth century) are significantly related to this low-frequency climate variability. The precipitation anomalies at these low-frequency timescales are in phase between the cool and warm seasons, consistent with the concept of dual-season drought as has been suggested in tree ring studies.

Twentieth-century atmospheric river activity along the west coasts of Europe and North America: algorithm formulation, reanalysis uncertainty and links to atmospheric circulation patterns

Science.gov (United States)

Brands, S.; Gutiérrez, J. M.; San-Martín, D.

2017-05-01

A new atmospheric-river detection and tracking scheme based on the magnitude and direction of integrated water vapour transport is presented and applied separately over 13 regions located along the west coasts of Europe (including North Africa) and North America. Four distinct reanalyses are considered, two of which cover the entire twentieth-century: NOAA-CIRES Twentieth Century Reanalysis v2 (NOAA-20C) and ECMWF ERA-20C. Calculations are done separately for the OND and JFM-season and, for comparison with previous studies, for the ONDJFM-season as a whole. Comparing the AR-counts from NOAA-20C and ERA-20C with a running 31-year window looping through 1900-2010 reveals differences in the climatological mean and inter-annual variability which, at the start of the twentieth-century, are much more pronounced in western North America than in Europe. Correlating European AR-counts with the North Atlantic Oscillation (NAO) reveals a pattern reminiscent of the well-know precipitation dipole which is stable throughout the entire century. A similar analysis linking western North American AR-counts to the North Pacific index (NPI) is hampered by the aforementioned poor reanalysis agreement at the start of the century. During the second half of the twentieth-century, the strength of the NPI-link considerably varies with time in British Columbia and the Gulf of Alaska. Considering the period 1950-2010, AR-counts are then associated with other relevant large-scale circulation indices such as the East Atlantic, Scandinavian, Pacific-North American and West Pacific patterns (EA, SCAND, PNA and WP). Along the Atlantic coastline of the Iberian Peninsula and France, the EA-link is stronger than the NAO-link if the OND season is considered and the SCAND-link found in northern Europe is significant during both seasons. Along the west coast of North America, teleconnections are generally stronger during JFM in which case the NPI-link is significant in any of the five considered

The sea as science: ocean research institutions and strategies in Portugal in the twentieth century (from the First Republic to democracy).

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Rollo, Maria Fernanda; Queiroz, Maria Inês; Brandão, Tiago

2014-01-01

Historical perspective has revealed the many aspects of Portugal's interest in the sea, evident in a series of initiatives and entities throughout the twentieth century. From the beginning of the century until the 1974 Revolution, the genesis of organizations devoted to the scientific study of the sea is analyzed, observing their specific missions in the context of the formulation of science policy, and more specifically "ocean policies." The Portuguese valued knowledge of the sea due to their maritime vocation, coastal life and geographic position. Traversing different historical and political contexts and development cycles, the assumptions and political implications that accentuate the strategic dimension of science policy, visible in the geopolitical affirmation of oceanography, are studied.

[The medical, social and institutional challenges resulting from poliomyelitis: comprehensive rehabilitation in Argentina in the mid-twentieth century].

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Alvarez, Adriana

2015-01-01

Poliomyelitis on an epidemic scale gave rise to several challenges, one of which was the rehabilitation from the after-effects on many of the people who suffered from the disease. Paralysis and the ways it transformed the concept of physical rehabilitation (where the objective was only to restore the mobility of the affected muscles) and comprehensive rehabilitation that included social, educational and professional aspects in Argentina in the mid-twentieth century are the themes addressed in this article. It uses the methodology of institutional history that interacts in an ongoing manner with the history of health and disease.

Speeches and political practices towards infancy in the province of Buenos Aires. Girls and boys in the early twentieth century

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Yolanda de Paz Trueba

2018-05-01

Full Text Available Based on the concern that abandoned and vulnerable children represented for governmental and intellectual elites in Argentina in the late nineteenth and early twentieth centuries, this paper analyses the vicissitudes around installation of a Patronato de Menores in the province of Buenos Aires. The article pays special attention to the relationship between budgetary issues and the political dimension, which colored parliamentary debate. I maintain that political centralization and the question of municipal autonomy crossed over into the debate surrounding children.

Intellectual disability, mental illness and offending behaviour: forensic cases from early twentieth-century Ireland.

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Kelly, B D

2010-09-01

The history of institutional care for individuals with intellectual disability is under-researched, complex and troubling. To explore the experiences of women who may have had intellectual disability and/or mental illness and were admitted to forensic psychiatric care in early twentieth-century Ireland. All female case records at the Central Mental Hospital, Dublin from 1910 to 1948 (n = 42) were studied for evidence of possible intellectual disability and a series of five cases is presented in detail. These committals occurred in the context of adverse social conditions, over-crowding in asylums and a belief that rates of mental illness were rising. Particular challenges included diagnostic issues (especially in relation to intellectual disability), adjustment to asylum environments, mental illness and physical ill-health. The institutional experiences of individuals with intellectual disability represents an important area for further historical research, using larger and more varied forensic populations.

Metal Construction Toys of the Early Twentieth Century: Their Astronomical Applications

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Rumstay, K. S.

2004-12-01

During the early twentieth century several toy manufacturers around the globe introduced construction toys in the form of sets of metal parts which could be assembled into a variety of models. The two most successful were the Erector Set, introduced in the United States by A.C. Gilbert in 1913, and the Meccano Set, patented in 1901 in England by Frank Hornby. Whereas the Erector Set never developed beyond being a child's toy, Hornby envisioned his Meccano system as providing a way to teach principles of mechanical engineering to young schoolboys. Indeed, his sets were first marketed under the name "Mechanics Made Easy", and were endorsed by Dr. H.S. Hele-Shaw, Head of the Engineering Department at Liverpool University. Popularity of the new Meccano sets spread throughout the world, spawning the formation of numerous amateur societies composed of adolescent boys and an increasing number of adult hobbyists. The variety of parts increased during the first third of the century, and increasingly sophisticated models were constructed and exhibited in competitive events. Among these were several clocks of remarkable accuracy, and at least one equatorial mounting for a small astronomical telescope. At the same time, many university science and engineering departments found these interchangeable metal parts invaluable in the construction of experimental apparatus. In 1934 a small-scale replica of Vannevar Bush's Differential Analyzer was constructed at the University of Manchester, and used for many years to perform mathematical computations. The introduction in 1928 of a flanged ring with 73 (a sub-multiple of 365) teeth allowed for construction of accurate orreries and astronomical clocks. The most remarkable of these was the Astronomical Clock constructed in the period 1924-1932 by M. Alexandre Rahm of Paris.

Education Technology Success Stories

Science.gov (United States)

West, Darrell M.; Bleiberg, Joshua

2013-01-01

Advances in technology are enabling dramatic changes in education content, delivery, and accessibility. Throughout history, new technologies have facilitated the exponential growth of human knowledge. In the early twentieth century, the focus was on the use of radios in education. But since then, innovators have seen technology as a way to improve…

Representing and Coping with Early Twentieth-Century Chongqing: “Guide Songs” as Maps, Memory Cells, and Means of Creating Cultural Imagery

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Igor Chabrowski

2013-03-01

Full Text Available Chongqing’s “guide songs” form an interesting subgenre among the broad category of haozi 號子 (workers’ songs. These early twentieth-century songs were a form of rhythm-based oral narrative describing Chongqing’s urban spaces, river docks, and harbors. Each toponym mentioned in the lyrics was followed by a depiction of the characteristic associations, whether visible or symbolic, of the place. This article aims to analyze the verbal images of Chongqing presented in these songs in order to understand how the city was remembered, reproduced, and represented. The article deconstructs representations of the city produced by the lower classes, mainly by Sichuan boatmen, and links culturally meaningful images of urban spaces with the historical experiences of work, religion, and historical-mythical memory. It also points to the functions that oral narratives had in the urban environment of early twentieth-century Chongqing. Rhythmic and easy to remember, the songs provided ready-to-use guides and repositories of knowledge useful to anyone living or working there. A cross between utilitarian resource books and cultural representations, they shaped modes of thinking and visualizations of urban spaces and Chongqing. Finally, this article responds to the need to employ popular culture in our thinking about Chinese cities and the multiplicity of meanings they were given in pre-Communist times.

Development of Accounting Theories Specific to the National Accounting Literature of the First Half of Twentieth Century

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Sorin Damian

2011-05-01

Full Text Available Need to identify plausible explanations of the principles underlying the double entry accountingover time determined by various manifestations of thought that have resulted in many theories. All thesetheories have proposed to explain and substantiate dopic formalism, but many of them no longer a valuetoday than a purely historical perspective. The representative of such theories has been many pages writtenRomanian and foreign authors in the first half of the twentieth century. Some Romanian authors mention theIoan E. Evian, D. Voina, CG Demetrescu, S. Iacobescu, Al. Sorescu, C. Pantu, C. Petrescu, Grigore-TrancuIaşi and others. Bibliography time accounting theories shared accounts: embryos of theories and scientifictheories.

The return of the phoenix: the 1963 International Congress of Zoology and American zoologists in the twentieth century.

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Johnson, Kristin

2009-01-01

This paper examines the International Congress of Zoology held in Washington D.C. in 1963 as a portrait of American zoologists' search for effective and rewarding relationships with both each other and the public. Organizers of the congress envisioned the congress as a last ditch effort to unify the disparate subdisciplines of zoology, overcome the barriers of specialization, and ward off the heady claims of more reductionist biologists. The problems zoologists faced as they worked to fulfill these ambitious goals illuminate some of the challenges faced by members of the naturalist tradition as they worked to establish disciplinary unity while seeking public support in the competitive world of twentieth century science.

Why Masculine Technologies Matter

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Oldenziel, R.; Lerman, N.; Oldenziel, R.; Mohun, A.

2003-01-01

In contrast to McGaw's non-obvious technologies and female perspective, making the invisible visible, Ruth Oldenziel begins with a very visible kind of technology: the automobile. She argues, however, that the fondness of boys for cars and the nature of male technophilia in the twentieth century are

The German genius Europe's third renaissance, the second scientific revolution, and the twentieth century

CERN Document Server

Watson, Peter

2010-01-01

Peter Watson's virtuoso sweep through modern German thought and culture, from 1750 to the present day, will challenge and confound both the stereotypes the world has of Germany and those that Germany has of itself. From the end of the Baroque era and the death of Bach to the rise of Hitler in 1933, Germany was transformed from a poor relation among Western nations into a dominant intellectual and cultural force—more creative and influential than France, Britain, Italy, Holland, and the United States. In the early decades of the twentieth century, German artists, writers, scholars, philosophers, scientists, and engineers were leading their freshly unified country to new and unimagined heights. By 1933, Germans had won more Nobel Prizes than any other nationals, and more than the British and Americans combined. Yet this remarkable genius was cut down in its prime by Adolf Hitler and his disastrous Third Reich—a brutal legacy that has overshadowed the nation's achievements ever since. How did the Germans t...

Taming the unknown a history of algebra from antiquity to the early twentieth century

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Katz, Victor J

2014-01-01

What is algebra? For some, it is an abstract language of x's and y's. For mathematics majors and professional mathematicians, it is a world of axiomatically defined constructs like groups, rings, and fields. Taming the Unknown considers how these two seemingly different types of algebra evolved and how they relate. Victor Katz and Karen Parshall explore the history of algebra, from its roots in the ancient civilizations of Egypt, Mesopotamia, Greece, China, and India, through its development in the medieval Islamic world and medieval and early modern Europe, to its modern form in the early twentieth century. Defining algebra originally as a collection of techniques for determining unknowns, the authors trace the development of these techniques from geometric beginnings in ancient Egypt and Mesopotamia and classical Greece. They show how similar problems were tackled in Alexandrian Greece, in China, and in India, then look at how medieval Islamic scholars shifted to an algorithmic stage, which was further dev...

From Halsted to prevention and beyond: advances in the management of breast cancer during the twentieth century.

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Fisher, B

1999-12-01

This commentary evaluates progress made in the treatment of breast cancer during the twentieth century. Most of the period from 1900 to 1970 was governed by the 'non-science' of anecdotalism and classical inductivism and was marked by the absence of a scientific gestalt. In keeping with the Halstedian concept that breast cancer was a local disease that spread throughout the body by contiguous extension and could be cured by more expansive surgery, the disease was treated with radical surgery. In 1950, however, a new era of enlightenment began to emerge. The awareness that there was a scientific process in which hypotheses generated from laboratory and clinical investigation could be tested by means of randomised clinical trials was a seminal advance, as were findings from studies that laid the groundwork for the modern era of steroid hormone action, including identification of oestrogen receptors. Expanding knowledge regarding tumour cell kinetics, tumour heterogeneity, and technological advances related to mammography and radiation therapy were also to play a role in making possible the advances in therapy that were subsequently to occur. In the past 30 years, as a result of laboratory and clinical investigation, the Halstedian thesis of cancer surgery was displaced by an alternative hypothesis that was supported by findings from subsequent clinical trials. A new paradigm governed surgery for breast cancer, and lumpectomy followed by radiation therapy became accepted practice. A second paradigm that governed the use of adjuvant systemic therapy arose as a result of laboratory and clinical investigation. Treating patients who were free of identifiable metastatic disease with systemic adjuvant therapy because some of them might develop distant disease in the future was a revolutionary departure from prior treatment strategy and became a new exemplar. Not only did the chemotherapy favourably alter the outcome of breast cancer patients, but the anti

Traveling with faith: the creation of women's immigrant aid associations in nineteenth and twentieth-century France.

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Machen, Emily

2011-01-01

This article explores the efforts of French Catholic, Protestant, and Jewish women to morally, spiritually, and physically protect immigrant and migrant women and girls in the late nineteenth and early twentieth centuries. Women of faith worried about the dangers posed by the white slave trade, and they feared the loss of spiritual consciousness among women living far from their families and their places of worship. In response to these concerns, they developed numerous faith-based international organizations aimed at protecting vulnerable working-class immigrants. Upper-class women's work in immigrant aid societies allowed them to take on much greater social and religious leadership roles than they had in the past. Likewise, the intricate, international networks that these women developed contributed to the building of international cooperation throughout Europe.

Potentially induced earthquakes during the early twentieth century in the Los Angeles Basin

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Hough, Susan E.; Page, Morgan T.

2016-01-01

Recent studies have presented evidence that early to mid‐twentieth‐century earthquakes in Oklahoma and Texas were likely induced by fossil fuel production and/or injection of wastewater (Hough and Page, 2015; Frohlich et al., 2016). Considering seismicity from 1935 onward, Hauksson et al. (2015) concluded that there is no evidence for significant induced activity in the greater Los Angeles region between 1935 and the present. To explore a possible association between earthquakes prior to 1935 and oil and gas production, we first revisit the historical catalog and then review contemporary oil industry activities. Although early industry activities did not induce large numbers of earthquakes, we present evidence for an association between the initial oil boom in the greater Los Angeles area and earthquakes between 1915 and 1932, including the damaging 22 June 1920 Inglewood and 8 July 1929 Whittier earthquakes. We further consider whether the 1933 Mw 6.4 Long Beach earthquake might have been induced, and show some evidence that points to a causative relationship between the earthquake and activities in the Huntington Beach oil field. The hypothesis that the Long Beach earthquake was either induced or triggered by an foreshock cannot be ruled out. Our results suggest that significant earthquakes in southern California during the early twentieth century might have been associated with industry practices that are no longer employed (i.e., production without water reinjection), and do not necessarily imply a high likelihood of induced earthquakes at the present time.

Alfred Owre: revisiting the thought of a distinguished, though controversial, early twentieth-century dental educator.

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Nash, David A

2013-08-01

Many in dental education are unfamiliar with the professional life and thought of Dr. Alfred Owre, a distinguished though controversial dental educator in the early twentieth century. Owre served as dean of dentistry at both the University of Minnesota, 1905-27, and Columbia University, 1927-33. He was also a member of the Carnegie Foundation's commission that developed the report Dental Education in the United States and Canada, written by Dr. William J. Gies. Owre was a controversial leader due to his creative and original ideas that challenged dental education and the profession. His assessment and critique of the problems of dental education in his era can readily be applied to contemporary dental education and the profession, just as his vision for transformative change resonates with ideas that continue to be advocated by some individuals today. This article also documents his tumultuous relationship with Gies.

The Preparation of the Diccionario biográfico obrero de Chile. Printed Culture and Working-class Sociability in the Early Twentieth Century

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Juan David Murillo Sandoval

2016-07-01

Full Text Available Printed between 1910 and 1919, the Diccionario biográfico obrero de Chile was the first book of its kind produced in Latin America in the twentieth century. Coordinated by journalist Osvaldo López, this dictionary sought to show the trajectories of leaders and representatives of the Chilean labor world to the beginning of the century. Although this work has served as a source for many investigations, little is known about its production process, and even less about their general contents, and what they indicate about the labor elites, their self-images, objectives or print culture. Therefore, this paper seeks to contribute to the analysis of this collective biography, by rebuilding its publishing history and examining the key feature which identified the workers: sociability.

Ninety-Eight Atheists: Atheism among the Non-Elite in Twentieth Century Britain

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Matt Sheard

2014-10-01

Full Text Available Widespread atheism in the general population is one of the defining characteristics of twentieth-century British society, yet until very recently, it has largely been unregarded by historians. This study attempts to contribute to the remedy of this omission by considering autobiographies and oral histories of non-elite atheists between 1890 and 1980. It shows that atheisation (the transition from religious belief to atheism is principally a phenomenon of childhood and adolescence, with 80% of the sources becoming atheist by the age of twenty. The reasons the subjects gave for their irreligion were varied, of greatest significance were nearly two thirds who regarded religion as irrelevant to their lives, showing a lack of engagement with religion, its concepts and rituals. Many of these were from weakly religious or irreligious backgrounds who experienced ‘irreligious socialisation’, rendering religion irrelevant and contributed significantly to the progress of atheisation. Religious trauma, criticism of religion, personal trauma, radical politics, and rationalism accounted for similar proportions of reasons, and were mentioned by only 12–18% of sources. The potential influence of parental attitude to religion, other childhood experiences, religious education, reducing existential threat, historic events, and the social revolution of the 1960s are also considered as ‘unarticulated causes’ of the subjects’ irreligion.

Veterinary entomology, colonial science and the challenge of tick-borne diseases in South Africa during the late nineteenth and early twentieth centuries.

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Brown, K

2008-12-01

This article provides an historical overview of developments in veterinary entomology during the late nineteenth and early twentieth centuries. During that period state employed entomologists and veterinary scientists discovered that ticks were responsible for transmitting a number of livestock diseases in South Africa. Diseases such as heartwater, redwater and gallsickness were endemic to the country. They had a detrimental effect on pastoral output, which was a mainstay of the national economy. Then in 1902 the decimating cattle disease East Coast fever arrived making the search for cures or preventatives all the more urgent. Vaccine technologies against tick-borne diseases remained elusive overall and on the basis of scientific knowledge, the South African state recommended regularly dipping animals in chemical solutions to destroy the ticks. Dipping along with quarantines and culls resulted in the eradication of East Coast fever from South Africa in the early 1950s. However, from the 1930s some ticks evolved a resistance to the chemical dips meaning that diseases like redwater were unlikely to be eliminated by that means. Scientists toiled to improve upon existing dipping technologies and also carried out ecological surveys to enhance their ability to predict outbreaks. Over the longer term dipping was not a panacea and ticks continue to present a major challenge to pastoral farming.

The ecological century

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Worthington, E. B.

1981-01-01

This essay attempts to reconstruct the evolution of Ecology as the scientific basis for environmental conservation and human progress, as seen through the eyes of a biologist who has exercised that science during a number of tasks in various parts of the world over most of the twentieth century. From its beginnings in evolutionary thinking during the nineteenth century, ecology emerged from natural history at the beginning of the twentieth. At first the running was made by botanists; but this was soon followed by zoologists, who dealt with more mobile communities. The first quarter-century was mainly exploratory; the second was mainly descriptive (although biological exploration was still dominant in the tropics). The third quarter saw ecology developing into an experimental science, and, as the environmental revolution got into its stride, ecology became organized both nationally and internationally. Although the term is now often misused and sometimes misunderstood by laymen, the last quarter-century is seeing the wide application of ecology in environmental and human affairs, and this gives some assurance that the twenty-first century will not become one of chaos.

Industrial Growth in Araraquara and São Carlos Region in the First Decades of the Twentieth Century

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Helena Carvalho De Lorenzo

2015-06-01

Full Text Available This article describes and analyzes the formation of the first manufacturing activities and the industrial growth in Araraquara and São Carlos region in the early twentieth century. It shows that from the development of the coffee economy in the region, were created the initial conditions for the emergence of a variety of industrial transformation activities of goods for local and regional consumption that could survive while the conditions for its operation and reproduction prevailed. However, changes in the state economy after the 1929 crisis brought deep changes in industry course in the region. Classic studies on the industry origin in São Paulo are taken as reference. From a methodological point of view the research that led to this study had an exploratory and investigative nature of primary and secondary sources. The conclusions point to the cyclical nature of regional productive activities, to changes in the production cycle of the region from the 30s, and to the reasons for the survival of some companies that have managed to overcome the initial difficulties and till the XXI century are part of the regional productive structure.

Physiology, propaganda, and pound animals: medical research and animal welfare in mid-twentieth century America.

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Parascandola, John

2007-07-01

In 1952, the University of Michigan physiologist Robert Gesell shocked his colleagues at the business meeting of the American Physiological Society by reading a prepared statement in which he claimed that some of the animal experimentation being carried out by scientists was inhumane. He especially attacked the National Society for Medical Research (NSMR), an organization that had been founded to defend animal experimentation. This incident was part of a broader struggle taking place at the time between scientists and animal welfare advocates with respect to what restrictions, if any, should be placed on animal research. A particularly controversial issue was whether or not pound animals should be made available to laboratories for research. Two of the prominent players in this controversy were the NSMR and the Animal Welfare Institute, founded and run by Gesell's daughter, Christine Stevens. This article focuses on the interaction between these two organizations within the broader context of the debate over animal experimentation in the mid-twentieth century.

Experiments and Research Programmes. Revisiting Vitalism/Non-Vitalism Debate in Early Twentieth Century

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Bijoy MUKHERJEE

2012-06-01

Full Text Available Debates in the philosophy of science typically take place around issues such as realism and theory change. Recently, the debate has been reformulated to bring in the role of experiments in the context of theory change. As regards realism, Ian Hacking’s contribution has been to introduce ‘intervention’ as the basis of realism. He also proposed, following Imre Lakatos, to replace the issue of truth with progress and rationality. In this context we examine the case of the vitalism — reductionism debate in biology inspired by the works of Indian physicist-turned-biologist Jagadish Chandra Bose (1858–1937, in the early twentieth century. Both camps had their characteristic hardcores. Vitalists led by John S. Burdon-Sanderson and Augustus D. Waller accepted religious metaphysics to support their research programme, which ultimately degenerated. Bose worked more with the ideals of science such as Occam’s razor, large-scale systematization of phenomena and novel prediction. I argue that his religious metaphysics, instead of acting as a protective shield, helped him to consolidate his position and allowed further problem shift resulting in a research programme that involved consciousness too. His research programme remains relevant even today.

Mining the Twentieth Century's History from the Time Magazine Corpus

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Kestemont, Mike; Karsdorp, F.B.; Düring, Marten

2014-01-01

In this paper we report on an explorative study of the history of the twentieth cen- tury from a lexical point of view. As data, we use a diachronic collection of 270,000+ English-language articles har- vested from the electronic archive of the well-known Time Magazine (1923–2006). We attempt to

History of twentieth-century physics

CERN Document Server

Kapitza, Sergei P

1995-01-01

The meaning and message of the history of science will be discussed with relevance to XX century physics. This decisive period began in 1894-95 with the discoveries of the electron,X-rays and radioactivity,with the consequent development of relativity and quantumphysics. Connections of the development of science and society in XX century with culture and the influence on industry will be examined. Finally, the corruption of physics by the military will be considered. The influence of physics on chemistry and biology will be briefly treated and the impact of the approach and method of physics on modern thinking will be assessed. It should be kept in mind that the history of science is not a way of getting a simplified or adulterated presentation of the subject ,in this case of physics and so some understanding of general physics will be assumed. On the other hand, the broader generalisations of the history of ideas and events are illustrated (if not proven) by the facts (and myths) of science. Finally,as an e...

The Significance Of Space In Iris Murdoch’s The Unicorn As A Twentieth-Century Irish Gothic Novel

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Jarząb Joanna

2014-12-01

Full Text Available During the twentieth century almost all literary genres came back to prominence in different and alternative forms. The Gothic is no exception to this phenomenon as many a writer made an attempt at using this eighteenth-century genre once again, but adding to it some contemporary elements. Consequently, an abundance of new techniques have been introduced to Gothic fiction to evoke the feeling of horror and terror among the more and more demanding readers of modern times. Still, some writers prefer to return to the traditional concept of the Gothic – as does Iris Murdoch in her novel The Unicorn. The purpose of this article is to analyse the text from the perspective of the Irish Gothic. Those features of the genre which are traditional as well as local are going to be discussed in the context of space as the dominating aspect of the novel. The typical Irish landscape abounding in marshes, bogs and the sea will be contrasted with the inner space of the house, and its resemblance to the old Victorian mansions popular among the Anglo-Irish ascendancy of nineteenth-century Ireland. In what follows, the paper aims at showing how Murdoch’s skilful play with the spatial differentiation between the inside and the outside dislodges other more universal issues, such as the question of freedom, of social taboos and of the different anxieties still present in Irish society today.

Techniques for nothingness: Debate over the comparability of hypnosis and Zen in early-twentieth-century Japan.

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Wu, Yu-Chuan

2017-12-01

This paper explores a debate that took place in Japan in the early twentieth century over the comparability of hypnosis and Zen. The debate was among the first exchanges between psychology and Buddhism in Japan, and it cast doubt on previous assumptions that a clear boundary existed between the two fields. In the debate, we find that contemporaries readily incorporated ideas from psychology and Buddhism to reconstruct the experiences and concepts of hypnosis and Buddhist nothingness. The resulting new theories and techniques of nothingness were fruits of a fairly fluid boundary between the two fields. The debate, moreover, reveals that psychology tried to address the challenges and possibilities posed by religious introspective meditation and intuitive experiences in a positive way. In the end, however, psychology no longer regarded them as viable experimental or psychotherapeutic tools but merely as particular subjective experiences to be investigated and explained.

Coupled Aerosol-Chemistry-Climate Twentieth-Century Transient Model Investigation: Trends in Short-Lived Species and Climate Responses

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Koch, Dorothy; Bauer, Susanne E.; Del Genio, Anthony; Faluvegi, Greg; McConnell, Joseph R.; Menon, Surabi; Miller, Ronald L.; Rind, David; Ruedy, Reto; Schmidt, Gavin A.;

Lost Purity. Social in Nineteenth and Twentieth-century Feminisms

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Paola Persano

2016-01-01

‘Social Purity’ appears in a part of the French and Anglo-Saxon (Britain and the United States) nineteenth-twentieth century’s feminisms, as a mean for many claims: from the full recognition of sexual difference in Hubertine Auclert’s social and ‘differentialist’ republicanism in France to Josephine Butler’s refusal of any purity imposed from above in England, until the absolute turn of the idea of women’s moral superiority and the equal and opposite force to the final exit from ‘the social’ ...

Women Workers and Technological Change in Europe in the Nineteenth and Twentieth Centuries.

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de Groot, Gertjan, Ed.; Schrover, Marlou, Ed.

Drawing on research from a number of European countries, the contributors to this book present nine detailed studies on women's work spanning 2 centuries and dealing with a variety of work environments. "General Introduction" (Gertjan de Groot, Marlou Schrover) provides an overview of the book's content. "Frames of Reference: Skill,…

"For ever and ever": Child-raising, domestic workers and emotional labour in twentieth century Britain

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Lucy Delap

2011-07-01

Full Text Available The relationships of physical and emotional labour which exist between children, parents and domestic workers are historically fluid. Different styles of parenting, discourses of social class, and material contexts of care have given rise to very diverse degrees of delegation of childcare to servants. Servants themselves have often invested emotionally in their relationships with children, and the relationship has clearly not been simply commodified in being delegated. However, the relationships that result have sometimes been troubled and ambivalent. A simple narrative of exploitation does little to capture the experiences of servants who cared for children, and the recent historiography of emotions and emotional labour can help to trace a fuller picture. In this paper, I examine the roles of laughter as a form of emotional expression that can shed light on the affects of care – the shared jokes, failed jokes and forms of mockery that characterised the management of servants by mothers who employed them, or the experiences of servants and children in late nineteenth and twentieth century servant-keeping houses.

Nuclear power in the twenty-first century - An assessment (Part 1)

OpenAIRE

von Hirschhausen, Christian

2017-01-01

Nuclear power was one of the most important discoveries of the twentieth century, and it continues to play an important role in twenty-first century discussions about the future energy mix, climate change, innovation, proliferation, geopolitics, and many other crucial policy topics. This paper addresses some key issues around the emergence of nuclear power in the twentieth century and perspectives going forward in the twenty-first, including questions of economics and competitiveness, the str...

Norman Mailer - the most influental critic of contemporary reality in the second half of the twentieth century

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Jasna Potočnik Topler

2013-12-01

Full Text Available Norman Mailer, one of the most influential authors of the second half of the twentieth century, faithfully followed his principle that a writer should alsobe a critic of contemporary reality. Therefore, most of his works portray the reality of the United States of America and the complexities of the contemporary American scene. Mailer described the spirit of his time - from the terror of war and numerous dynamic social and political processes to the 1969 moon landing. Conflicts were often in the centre of his writing, as was the relationship between an individual and the society; he speaks of politicalpower and the dangerous power of capital, while pointing to the threat of totalitarianism in America. Mailer spent his entire career writing about violence, power, perverted sexuality, the phenomenon of Hitler, terrorism, religion and corruption. He continually pointed out that individuals were in constant danger of losing freedom and dignity.

Formalism in the first half of the twentieth century: ‘pure science’ or a case of effective rhetoric? [Review of: M.B. Frank, D. Adler German art history and scientific thought: beyond formalism

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Witte, A.

2012-01-01

German Art History and Scientific Thought - Beyond Formalism discusses the relation between art history and the human and natural sciences in the late nineteenth and early twentieth centuries. All contributions in this volume highlight the way in which this exchange affected art history on a

Conference Report: Environmental Protection in the Global Twentieth Century: International Organizations, Networks and Diffusion of Ideas and Policies

DEFF Research Database (Denmark)

Meyer, Jan-Henrik

the environment. Notably, IOs were central forums for negotiating and placing environmental protection on the international political agenda. It is widely assumed that 1972 – the year of the first UN conference on the human environment in Stockholm and of the publication of the Club of Rome report "Limits...... entrepreneurs, selecting, defining, diffusing and translating ideas about the environment in the course of the twentieth century? Secondly, which structural conditions facilitated – and at times inhibited – the diffusion or transfer of policy ideas? It can safely be assumed that the embedding of IOs in national...... and influential individuals – who transmitted and translated environmental ideas from the OECD Environment Committee in the early 1970s to the Brundtland Commission in the 1980s. The latter sought to overcome the apparent contradictions between developmental and environmental goals, advocating the notion...

Freedom to divorce or protection of marriage? The divorce laws in Denmark, Norway, and Sweden in the early twentieth century.

Science.gov (United States)

Le Bouteillec, Nathalie; Bersbo, Zara; Festy, Patrick

2011-01-01

In the period 1909-1927, new laws concerning divorce and marriage were enacted by the Scandinavian countries. Both at the time and more recently, these laws were considered as "liberal" as they promoted greater freedom to divorce based on individuality and gender equality. In this article, the authors first analyze the changes in these Family laws in the early twentieth century. Then, the authors study the effect of these laws on divorce and marriage patterns. As these laws did not modify the trend in divorce rates, the authors ask why this was the case. The authors' conclusions are that the laws were more concerned with preserving the sanctity of marriage and maintaining social order than with promoting individual freedom and gender equality.

Love Practices in the Colombian School during the First Half of the Twentieth Century: Notes for a History of Feminine Love

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Claudia Ximena Herrera Beltrán

2016-08-01

Full Text Available In Latin America women increasingly detach themselves from feminine representations produced by certain discourses of modernity. However, unequal relations, binary constructions of sex and gender, and exclusion whenever there is any sign of resistance are still signs of contemporaneity. In response to this situation, this research paper shows, through an archaeological and genealogical study, how love, as a feeling and emotion, was a subject of education for girls in the Colombian school during the first half of the twentieth century. In that sense, the author reflects upon emotions, feelings and discourses, and reveals how society shaped practices and legitimized truths that, even today, define both men’s and women’s nature.

Psyche’s Sisters: Ambivalence of Sisterhood in Twentieth-century Irish Women’s Short Stories

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Ann Wan-lih Chang

2013-03-01

Full Text Available This paper examines and evaluates representations of problematic sisterly relationships in twentieth-century Irish women’s stories which display an emphasis on ambivalence and sibling rivalry.  The paper is based primarily on the literary output of Mary Lavin, Clare Boylan, Moy McCrory, Éilís Ní Dhuibhne, Jan Kennedy, Mary Morrissy and Claire Keegan.  The paper seeks, by reference both to feminist studies and Irish women’s short stories, to demonstrate the consequences and causes of a divided sisterhood which itself may be traced back to a suppression of expression of female solidarity embedded in western culture and manifested in western literary heritage.  Typically, such stories depict a conflict sourced in the need to develop self-identity and framed within the constraints imposed by separate social roles.  This kind of conflict results potentially in rivalry, antagonism, ambivalence, and the domination of one sibling by another.  Daughters/sisters are often depicted in these stories both as competing with each other for limited resources and also as seeking a sense of personal identity through mutual polarisation.  There are also stories into which are woven undertones of domination disguised as sisterly closeness, for which the actual motivation seems to be a repressed aspiration for intimacy.

The "Make Love, Not War" Ape: Bonobos and Late Twentieth-Century Explanations for War and Peace.

Science.gov (United States)

Weinstein, Deborah

2016-12-01

Why do people fight wars? Following the devastation of the Second World War, this question became particularly pressing. Postwar scholars in the human sciences, from political science to anthropology, investigated the role of human nature in the causes of war even as they debated the very meaning of human nature itself. Among the wide-ranging efforts of postwar social and behavioral scientists to explain the causes of war, research on primate aggression became a compelling approach to studying the evolution of human warfare. In contrast, primatologist Frans de Waal's popular and scientific publications on primate reconciliation emphasized the naturalness of conflict resolution and peacemaking, thereby providing a counterpoint to the pessimism of aggression research while simultaneously shoring up the logic of simian analogy. De Waal's popular books heralded the "make love, not war" bonobo as humans' evolutionary next-of-kin and contributed to raising public interest in bonobos during the late twentieth century, although the apes' popular reputation subsequently exceeded the scientific discourse about them. Copyright © 2016 Elsevier Ltd. All rights reserved.

The historical significance of the Trepça mine in the Region of Stan-Terg during the twentieth century

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Mustafë Haziri

2015-11-01

Full Text Available The historical significance of the Trepça’s mine in Stan-Terg is so big, that it is impossible to be presented in this scientific paper, because of its historic, economic and social character. This paper analyses chronologically the importance of Trepça mine, focusing with particular emphasis on the period of the twentieth century where in 1926 the first research that was implemented by the British government began. In 1930 began the modern exploitation of Trepça which was followed by some union movements which lasted until 1939. In 1941, Trepça fell into the hands of the nazi regime of Germany. Other aspects of this work include the period of the Second World War, when the nationalization of property was implemented during the communist regime in former Yugoslavia until the great strike of 1989.

The limited effect of increasing educational attainment on childlessness trends in twentieth-century Europe, women born 1916–65

Science.gov (United States)

Beaujouan, Eva; Brzozowska, Zuzanna; Zeman, Kryštof

2016-01-01

During the twentieth century, trends in childlessness varied strongly across European countries while educational attainment grew continuously across them. Using census and large-scale survey data from 13 European countries, we investigated the relationship between these two factors among women born between 1916 and 1965. Up to the 1940 birth cohort, the share of women childless at age 40+ decreased universally. Afterwards, the trends diverged across countries. The results suggest that the overall trends were related mainly to changing rates of childlessness within educational groups and only marginally to changes in the educational composition of the population. Over time, childlessness levels of the medium-educated and high-educated became closer to those of the low-educated, but the difference in level between the two better educated groups remained stable in Western and Southern Europe and increased slightly in the East. PMID:27545484

The Diversity of Cloud Responses to Twentieth-Century Sea Surface Temperatures

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Silvers, L. G.; Paynter, D.; Zhao, M.

2017-12-01

Clouds play a crucial role in determining the magnitude of the global temperature response to forcing. Previous work has shown strong connections between cloud feedbacks and climate change, and between these feedbacks and changing patterns of surface temperature. We show that strong variability of the climate feedback parameter is present in three GFDL atmospheric general circulation models (AM2.1, AM3, AM4) over the twentieth century. This variability is highly correlated with the global mean cloud radiative effect (CRE) and low-cloud cover (LCC) anomalies. The decadal variability is characterized by a period of high climate sensitivity (1925-1955) and a period of low climate sensitivity (1975-2005). Observed trends of surface temperature also show distinct differences over these two periods. Although it is the SST that drives the atmospheric response, the estimated inversion strength (EIS) is necessary to reproduce the changing LCC field. During both periods, trends of EIS are shown to closely mirror trends of LCC over much of the globe, not only in the typical stratocumulus regions. Trends of the shortwave CRE (SWCRE), LCC, and the EIS are analyzed in particular geographic regions. All of these regions show a consistent relationship between LCC, SWCRE, and EIS, as well as significant differences between the two time periods. This study uses a 15 member ensemble of amip-piForcing simulations from 1870 -2005. These experiments are driven by observed SST patterns and hold greenhouse gases and other atmospheric forcing agents fixed at constant pre-industrial levels. This allows for a clean analysis of how clouds respond to changing patterns of SST and the resulting influence on the climate feedback parameter. The cloudy response of the atmosphere to changing SST patterns is critical in driving the variability of the climate feedback parameter during periods of both high and low climate sensitivity.

THE DEVELOPMENT OF COMPUTER TECHNOLOGY OF EDUCATION OF STUDENTS IN HIGHER EDUCATIONAL INSTITUTIONS OF UKRAINE (THE SECOND HALF OF 50S – EARLY OF 90S XX CENTURY

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Oleksii S. Voronkin

2014-02-01

Full Text Available The article presents results of a synthesis study of the evolution of computer technologies to support students studying at the universities of Ukraine since the second half of 50th to the early of 90th of the twentieth century. Research was conducted on the basis of a wide range of sources and materials. There are four historical stages highlighted: 1 the emergence of algorithms of programmed learning; 2 the emergence of automated technologies to support studying; 3 the birth of the first computer training systems and the development of learning environment; 4 an integrated development of computer technology, the development of intelligent tutoring systems and virtual reality systems.

Changes in the Authority of the Father in the Polish Family in the Twentieth Century. The Interpretation from the Historical and Pedagogical Perspective [Przemiany autorytetu ojca w rodzinie polskiej w XX wieku. Interpretacja z perspektywy historyczno-pedagogicznej

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Paweł ŚPICA

2017-11-01

Full Text Available Nowadays numerous researchers are interested in the subject area concerning fatherhood, including the father’s role in bringing up the child. It is not coincidental. In the last couple of years the position of men has significantly changed in Polish families. Jerzy Witczak has indicated that since the 1970s the role of man has not been thoroughly defined. The changes have led to the modification the roles of fathers, previously which were traditionally based on taking care of material needs and representing the family to the outside world. While in the first half of the twentieth century the role of man in family was clearly defined, in the second half of the twentieth century the father’s authority was increasingly contested. The reasons for this state of affairs lie in the transformations that took place in Polish culture and in socio-economic policy. Consequently traditional educational methods upon which parents used to build their authority ceased to be effective in the educational practise. Increasingly, researchers have begun to ask questions concerning the importance of father in the process of raising a child. However, the transformation of family life in the twentieth-century Poland did not proceed equally in all social classes. Fathers from the villages held different positions than men living in the cities. The latter group adopted the so-called urban lifestyle. There is no doubt, however, that in the first and second environment – although in varying degrees – the father as the head of the family has lost its dominant position. In order to understand why the old methods stopped working, we should look through the prism of social history and we should not forget about the consequences of political and economical transformations, which directly and indirectly influenced the transformations of Polish families in the twentieth century. The main aim of the article is to provide the historical context and the scholars�

Contributions to a historical review of biological anthropology in Brazil from the second half of the twentieth century

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Verlan Valle Gaspar Neto

Full Text Available Abstract This article provides a preliminary historical survey of Brazilian biological anthropology from the second half of the twentieth century. Even today, little historiographic information on the last 50 or 60 years is available and/or has been explored, while few allusions to bioanthropology can be found in existing works on the history and contemporary state of anthropology in Brazil; this article attempts to span this gap. The first section examines various aspects of the general development of biological anthropology as it radiated from the centers (Europe and the United States outward over time. This initial survey affords a clearer understanding of the Brazilian case, which is the topic of the second section. This is followed by a brief historical and bibliographic account of the most recent state of biological anthropology in the country, including a number of specialized areas of research. The article concludes with a short discussion of the material covered.

Emerging landscape of accelerator science and technology

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Chattopadhyay, Swapan

2011-01-01

John Cockcroft's splitting of the atom and Ernest Lawrence's invention of the cyclotron in the first half of the twentieth century ushered in the grand era of ever higher energy particle accelerators to probe deeper into matter. It also forged a link, bonding scientific discovery with technological innovation that continues today in the twenty first century. In the second half of the twentieth century, we witnessed the emergence of the photon and neutron sciences driven by accelerators built-by-design producing tailored and ultra-bright pulses of bright photons and neutrons to probe structure and function of matter from aggregate to individual molecular and atomic scales in unexplored territories in material and life sciences. As we enter the twenty first century, the race for ever higher energies, brightness and luminosity to probe atto-metric and atto-second domains of the ultra-small structures and ultra-fast processes continues. We give a glimpse of the recent developments and innovations in the conception, production and control of charged particle beams in the service of scientific society. (author)

Alguns aspetos da interferência das ideias da revolução científica do início do século XX na poesia de Mário de Sá-Carneiro // Some aspects of the interference of the ideas of the scientific revolution of the beginning of the twentieth century in the poetry of Mário de Sá-Carneiro

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Maria Mazniak

2017-06-01

Full Text Available The article explores the relationship between poetic creativity and the achievements of scientific thought in the early twentieth century. It does this through an analysis of aesthetic concepts and examples from the poetry of Mário de Sá-Carneiro, alongside an exploration of the main provisions of Theoretical Physics from the early twentieth century as far as the conceptions of space are concerned.

Winners, Socially Displaced and Cinderellas: Representations of Race and Social Climbing in the Second Half of the Twentieth Century

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Pietro Pisano

2014-01-01

Full Text Available From the study of articles published in Colombian magazines (particularly Cromos magazine in the second half of the twentieth century, this article proposes the analysis of some representations about upward mobility of black people. Consideration is given to the stories of some characters at different times: the judge Jose Antonio Camacho, the boxer Kid Pambelé, the model Laura Mosquera and the pianist Teresa Gómez. Although they emerged in different professional contexts, narratives about their paths have in common the emphasis on how the class representations articulated with the race and gender ones and were used to show the difficulty for a black person to be inserted in a social context different from the popular sectors, showing both their alleged incompatibility with the values of the middle class as well as the inability to fully integrate into a society dominated by whites.

Twentieth-Century Hydrometeorological Reconstructions to Study the Multidecadal Variations of the Water Cycle Over France

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Bonnet, R.; Boé, J.; Dayon, G.; Martin, E.

2017-10-01

Characterizing and understanding the multidecadal variations of the continental hydrological cycle is a challenging issue given the limitation of observed data sets. In this paper, a new approach to derive twentieth century hydrological reconstructions over France with an hydrological model is presented. The method combines the results of long-term atmospheric reanalyses downscaled with a stochastic statistical method and homogenized station observations to derive the meteorological forcing needed for hydrological modeling. Different methodological choices are tested and evaluated. We show that using homogenized observations to constrain the results of statistical downscaling help to improve the reproduction of precipitation, temperature, and river flows variability. In particular, it corrects some unrealistic long-term trends associated with the atmospheric reanalyses. Observationally constrained reconstructions therefore constitute a valuable data set to study the multidecadal hydrological variations over France. Thanks to these reconstructions, we confirm that the multidecadal variations previously noted in French river flows have mainly a climatic origin. Moreover, we show that multidecadal variations exist in other hydrological variables (evapotranspiration, snow cover, and soil moisture). Depending on the region, the persistence from spring to summer of soil moisture or snow anomalies generated during spring by temperature and precipitation variations may explain river flows variations in summer, when no concomitant climate variations exist.

Sex discrimination from the acetabulum in a twentieth-century skeletal sample from France using digital photogrammetry.

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Macaluso, P J

2011-02-01

Digital photogrammetric methods were used to collect diameter, area, and perimeter data of the acetabulum for a twentieth-century skeletal sample from France (Georges Olivier Collection, Musée de l'Homme, Paris) consisting of 46 males and 36 females. The measurements were then subjected to both discriminant function and logistic regression analyses in order to develop osteometric standards for sex assessment. Univariate discriminant functions and logistic regression equations yielded overall correct classification accuracy rates for both the left and the right acetabula ranging from 84.1% to 89.6%. The multivariate models developed in this study did not provide increased accuracy over those using only a single variable. Classification sex bias ratios ranged between 1.1% and 7.3% for the majority of models. The results of this study, therefore, demonstrate that metric analysis of acetabular size provides a highly accurate, and easily replicable, method of discriminating sex in this documented skeletal collection. The results further suggest that the addition of area and perimeter data derived from digital images may provide a more effective method of sex assessment than that offered by traditional linear measurements alone. Copyright © 2010 Elsevier GmbH. All rights reserved.

P A Jungian Approach to Self-fragmentation of Twentieth Century in Orwell’s Nineteen Eighty Four

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Mozhdeh Alizadeh Shirazi

2014-11-01

Full Text Available The problematic life of modern human has always been a significant issue for many areas of study. In reaction to the absence of romantic values and the unity of the pre-modern world, Human being was afflicted with a sense of inner crises which is referred to as self-fragmentation. Fragmentation is one of the significant features of twentieth century when a mode of anxiety subjugated both art and society. In such an atmosphere many writers of the modern century attempted to reflect in their works of literature, what they had experienced in the real world. Orwell’s Nineteen Eighty Four is one of the popular novels of Modern Era that describes a modern but fragmented society wherein the modern human’s lack of self-integration is perceptible. By representing how the protagonists respond to the voices of their psyches through characterization and dreams, which is also of crucial significance in Jung’s Analytical Psychology, Orwell explores the roots of modern human’s urge for achieving a cohesive sense of self. Accordingly, this study, attempts to illustrate how modern human steps in the path of individuation and to what extent these efforts meet with success, if any. To achieve this goal, some terms and notions of Jungian Criticism such as archetypes and the process of individuation will be borrowed, and a particular focus will be held on dreams occurring in the course of the story. In addition, this paper would like to argue that the dystopian society portrayed in these novels is the offspring of a mere rationalism which prevents human from knowing the opposing forces working within as well as the forces functioning from without.

Climate: Into the 21st Century

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Burroughs, William

2003-08-01

Toward the end of the twentieth century, it became evident to professionals working within the meterological arena that the world's climate system was showing signs of change that could not be adequately explained in terms of natural variation. Since that time there has been an increasing recognition that the climate system is changing as a result of human industries and lifestyles, and that the outcomes may prove catastrophic to the world's escalating population. Compiled by an international team formed under the auspices of the World Meteorological Organization (WMO), Climate: Into the 21st Century features an unrivalled collection of essays by the world's leading meteorological experts. These fully integrated contributions provide a perspective of the global climate system across the twentieth century, and describe some of the most arresting and extreme climatic events and their effects that have occurred during that time. In addition, the book traces the development of our capabilities to observe and monitor the climate system, and outlines our understanding of the predictability of climate on time-scales of months and longer. It concludes with a summary of the prospects for applying the twentieth century climate experience in order to benefit society in the twenty-first century. Lavishly illustrated in color, Climate is an accessible acccount of the challenges that climate poses at the start of the twenty-first century. Filled with fascinating facts and diagrams, it is written for a wide audience and will captivate the general reader interested in climate issues, and will be a valuable teaching resource. William Burroughs is a successful science author of books on climate, including Weather (Time Life, 2000), and Climate Change: A Multidisciplinary Approach (2001), Does the Weather Really Matter? (1997) and The Climate Revealed (1999), all published by Cambridge University Press.

A brief history of the American radium industry and its ties to the scientific community of its early Twentieth Century

International Nuclear Information System (INIS)

Landa, E.R.

1993-01-01

Federally funded remedial action projects are presently underway in New Jersey and Colorado at sites containing 226 Ra and other radionuclides from radium-uranium ore extraction plants that operated during the early twentieth century. They are but the latest chapter in the story of an American industry that emerged and perished in the span of three decades. Major extraction plants were established in or near Denver (CO), Pittsburgh (PA), and New York City (NY) to process radium from ore that came largely from the carnotite deposits of western Colorado and eastern Utah. The staffs of these plants included some of the finest chemists and physicists in the nation, and the highly-refined radium products found a variety of uses in medicine and industry. The discovery of high-grade pitchblende ores in the Belgian Congo and the subsequent opening of an extraction plant near Antwerp, Belgium, in 1992, however, created an economic climate that put an end to the American radium industry. The geologic, chemical, and engineering information gathered during this era formed the basis of the uranium industry of the later part of the century, while the tailings and residues came to be viewed as environmental problems during the same period

Expertise against politics: Technology as ideology on Capitol Hill, 1966 - 1972

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Fries, Sylvia Doughty

1972-01-01

Exploration of three thematic problems--the meaning of 'technology', technology as historical destiny, and the compatability of technology with democratic politics--must be a part of any effort to develop an overview of the significance of technology for twentieth-century American ideology. Ambivalence toward technology has become a well-established theme in studies of the mechanization of America. Various aspects and examples with respect to technology as ideology are presented in this historical perspective.

Bruised witness: Bernard Spilsbury and the performance of early twentieth-century English forensic pathology.

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Burney, Ian; Pemberton, Neil

2011-01-01

This article explores the status, apparatus and character of forensic pathology in the inter-war period, with a special emphasis on the 'people's pathologist', Bernard Spilsbury. The broad expert and public profile of forensic pathology, of which Spilsbury was the most prominent contemporary representative, will be outlined and discussed. In so doing, close attention will be paid to the courtroom strategies by which he and other experts translated their isolated post-mortem encounters with the dead body into effective testimony. Pathologists built a high-profile practice that transfixed the popular, legal and scientific imagination, and this article also explores, through the celebrated 1925 murder trial of Norman Thorne, how Spilsbury's courtroom performance focused critical attention on the practices of pathology itself, which threatened to destabilise the status of forensic pathology. In particular, the Thorne case raised questions about the interrelation between bruising and putrefaction as sources of interpretative anxiety. Here, the question of practice is vital, especially in understanding how Spilsbury's findings clashed with those of rival pathologists whose autopsies centred on a corpse that had undergone further putrefactive changes and that had thereby mutated as an evidentiary object. Examining how pathologists dealt with interpretative problems raised by the instability of their core investigative object enables an analysis of the ways in which pathological investigation of homicide was inflected with a series of conceptual, professional and cultural difficulties stemming in significant ways from the materiality of the corpse itself. This article presents early findings of a larger study of twentieth-century English homicide investigation which focuses on the interaction between two dominant forensic regimes: the first, outlined in part here, is a body-centred forensics, associated with the lone, 'celebrity' pathologist, his scalpel and the mortuary

Sound or Expression: Dilemmas in the Phenomenological Aesthetics of 20th Century Music (Sound or Expression: Dilemmas in the Phenomenological Aesthetics of 20th Century Music

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Martina Stratilková

2016-12-01

Full Text Available Phenomenology, as a philosophy of the twentieth century, is often confronted with music of the same period, which in contrast with the classical-romantic repertoire recedes from previously codified means for the organisation of musical structure (namely tonality and holds up the actual matter of the music – sound – for admiration. So musical experience dwells more at the sound and its direct appearance rather than rushing to the musical meanings intended through sensuous moments. From this aspect music in the first decades of the twentieth century complemented the other arts undergoing a similar development. Romantic art was replaced by artistic creativity relying on the objectivity of the musical material and not on the emotional quality. The paper considers circumstances under which some of the phenomenological approaches adopt a positive approach to the music of the twentieth century (those which stress the immediacy of the perceptive presence and some of which tend to reject it (those which apply the requirement of expressive intentionality.

Lost Purity. Social in Nineteenth and Twentieth-century Feminisms

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Paola Persano

2016-07-01

Full Text Available ‘Social Purity’ appears in a part of the French and Anglo-Saxon (Britain and the United States nineteenth-twentieth century’s feminisms, as a mean for many claims: from the full recognition of sexual difference in Hubertine Auclert’s social and ‘differentialist’ republicanism in France to Josephine Butler’s refusal of any purity imposed from above in England, until the absolute turn of the idea of women’s moral superiority and the equal and opposite force to the final exit from ‘the social’ by the American ‘New Womanism’, individualizing and de-feminizing the act of sexual liberation. All this in a continuous play of actions and reactions, sometimes paradoxical, weaving together suffragism and anti-suffragism, contestation of the conjugal complementarity and the never overcome temptations of hetero or self-control.

PAZ, PRI, AND PROGRESS: OCTAVIO PAZ’S POLITICAL, ECONOMIC AND LITERARY STRUGGLE TO INSPIRE REFORM IN TWENTIETH-CENTURY MEXICO

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D. Gene Pace

2003-01-01

Full Text Available Throughout most of the twentieth century; Mexico’s political and economic policies were heavily influenced by the Partido Revolucionario Institutional (PRI. The landmark 1998 victory by Vicente Fox, the first presidential candidate in seven decades to win without the official sanction of the PRI,marked an important milestone in Mexican history; Octavio Paz, an eloquent proponent of political, economic, and social reform, sought for decades to inspire change. This paper seeks to illuminate Paz’s economic philosophy, and to demonstrate how the acclaimed writer, through courageous symbolic action coupled with an inimitable and potent pen, challenged the PRI’s hegemony in Mexico and contributed to the historic election he almost lived to celebrate (an elderly Paz died shortly before the historic 1998 election.“The Aztec ritual of 2 October [1968] in the Plaza de Tlatelolco. . . convinced me to abandon the Mexican Foreign Service.”“October 2, 1968 ended the student movement. It also ended an era in thehistory of Mexico.”

Planning ideology and geographic thought in the early twentieth century: Charles Whitnall's progressive era park designs for socialist Milwaukee.

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Platt, Lorne A

2010-01-01

As Milwaukee’s chief park planner in the early to mid-twentieth century, Charles Whitnall responded to the various underlying ideologies of the period within which he worked. His preference for parks was a political and physical response to and remedy for the industrialized and heavily congested city he called home. By examining the Progressive Era discourse associated with planning, this article situates Whitnall’s work within the political, aesthetic, and environmental contexts of geographic thought that influenced his plans for Milwaukee. In promoting a physical awareness associated with the natural features of the region and responding to the sociopolitical framework of contemporaries such as Ebenezer Howard, Whitnall incorporated a sense of compassion within his planning. He responded to the preexisting beer gardens of Pabst and Schlitz, as well as Olmsted-designed park spaces, by advocating for decentralization as part of a broader socialist agenda that had swept through Milwaukee during the early 1900s.

Serbian music criticism in the first half of the twentieth century: Its canon, its method and its educational role

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Vasić Aleksandar

2008-01-01

Full Text Available Serbian music criticism became a subject of professional music critics at the beginning of the twentieth century, after being developed by music amateurs throughout the whole previous century. The Serbian Literary Magazine (1901- 1914, 1920-1941, the forum of the Serbian modernist writers in the early 1900s, had a crucial role in shaping the Serbian music criticism and essayistics of the modern era. The Serbian elite musicians wrote for the SLM and therefore it reflects the most important issues of the early twentieth century Serbian music. The SLM undertook the mission of educating its readers. The music culture of the Serbian public was only recently developed. The public needed an introduction into the most important features of the European music, as well as developing its own taste in music. This paper deals with two aspects of the music criticism in the SLM, in view of its educational role: the problem of virtuosity and the method used by music critics in this magazine. The aesthetic canon of the SLM was marked by decisively negative attitude towards the virtuosity. Mainly concerned by educating the Serbian music public in the spirit of the highest music achievements in Europe, the music writers of the SLM criticized both domestic and foreign performers who favoured virtuosity over the 'essence' of music. Therefore, Niccolò Paganini, Franz Liszt, and even Peter Tchaikowsky with his Violin concerto became the subject of the magazine's criticism. However their attitude towards the interpreters with both musicality and virtuoso technique was always positive. That was evident in the writings on Jan Kubelík. This educational mission also had its effect on the structure of critique writings in the SLM. In their wish to inform the Serbian public on the European music (which they did very professionally, the critics gave much more information on biographies, bibliographies and style of the European composers, than they valued the interpretation

The Silwood Circle a history of ecology and the making of scientific careers in late twentieth-century Britain

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Gay, Hannah

2013-01-01

This is an original and wide-ranging account of the careers of a close-knit group of highly influential ecologists working in Britain from the late 1960s onwards. The book can also be read as a history of some recent developments in ecology. One of the group, Robert May, is a past president of the Royal Society, and the author of what many see as the most important treatise in theoretical ecology of the later twentieth century. That the group flourished was due not only to May's intellectual leadership, but also to the guiding hand of T. R. E. Southwood. Southwood ended his career as Linacre Professor of Zoology at the University of Oxford, where he also served a term as Vice-Chancellor. Earlier, as a professor and director of the Silwood Park campus of Imperial College London, he brought the group together. Since it began to coalesce at Silwood it has been named here the Silwood Circle. Southwood promoted the interests of its members with the larger aim of raising the profile of ecological and environmental ...

Making Space for Red Tide: Discolored Water and the Early Twentieth Century Bayscape of Japanese Pearl Cultivation.

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Ericson, Kjell

2017-05-01

"Red tide" has become a familiar shorthand for unusual changes in the color of ocean waters. It is intimately related both to blooms of creatures like dinoflagellates and to the devastating effects they pose to coastal fisheries. This essay tracks the early twentieth century emergence of discolored water as an aquacultural problem, known in Japan as akashio, and its trans-oceanic transformation into the terms and practices of "red tide" in the post-World War II United States. For Japan's "Pearl King" Mikimoto Kōkichi and his contacts in diverse marine scientific communities, the years-long cycle of guarding and cultivating a pearl oyster went together with the ascription of moral qualities to tiny creatures that posed a threat to farmed bayscapes of pearl monoculture. As akashio, discolored water went from curiosity to marine livestock pest, one that at times left dead pearl oysters in its wake. Red tide arose from the sustained study of the mechanisms by which changes in the biological and chemical composition of seawater might become deadly to exclusively-claimed shellfish along Japanese coastlines, but came to be seen as a way to understand aquatic manifestations of harm in other parts of the littoral world.

Ready, willing, and able to divorce: an economic and cultural history of divorce in twentieth-century Sweden.

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Simonsson, Per; Sandström, Glenn

2011-01-01

This study outlines a long history of divorce in Sweden, recognizing the importance of considering both economic and cultural factors in the analysis of marital dissolution. Following Ansley Coale, the authors examine how a framework of multiple theoretical constructs, in interaction, can be applied to the development toward mass divorce. Applying a long historical perspective, the authors argue that an analysis of gendered aspects of the interaction between culture and economics is crucial for the understanding of the rise of mass divorce. The empirical analysis finds support for a marked decrease in legal and cultural obstacles to divorce already during the first decades of the twentieth century. However, economic structures remained a severe obstacle that prohibited significant increases in divorce rate prior to World War II. It was only during the 1940s and 1960s, when cultural change was complemented by marked decreases in economic interdependence between spouses, that the divorce rate exhibited significant increases. The authors find that there are advantages to looking at the development of divorce as a history in which multiple empirical factors are examined in conjunction, recognizing that these factors played different roles during different time periods.

Revolutions in twentieth-century physics; Einfuehrung in die Physik des 20. Jahrhunderts. Relativitaetstheorie, Quantenmechanik, Elementarteilchenphysik und Kosmologie

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Griffiths, David J. [Reed College, Portland, OR (United States). Howard-Vollum-Professur fuer Naturwissenschaften

2015-07-01

Relativity theory, quantum mechanics, elementary-particle physics, and cosmology are the four pillars of modern physics. The life in the 21th century is without them no more conceivable: The special relativity theory renewed our understanding of space and time, on the laws of quantum mechanics are based countless everyday objects like transistors, computer chips, and mobile telephones; in particle accelerators we study the components oof matter, and with telescopes we take an ever deeper look in the past of the universe. Taking reference books to these themes at hand, one is overwhelmed by the plethora and complexity of the mathematical formulas. This book of the renowned professor of physics David J. Griffiths id refreshingly different. By means of many illustrative examples and entertaining stories it introducts to the themes and helps the reader also without a large mathematical apparatus to a fundamental understanding of that, about which Einstein, Schroedinger, Heisenberg, and Hubble actually thought and spoke. In each chapter numerous, pedagogically selected examples are completely worked out, in order to fill the matter with life. Moreover the text contains a manifold of problems, which allow the reader to deepen his knowledge and apply immediately. Griffith's ''Revolution in Twentieth Century Physics'' appeals not only to pupils and future studyings of natural sciences, who want to get an appetite for what lies ahead, but also to interested readers, which have already heared in the media from quarks and quanta, the curved space-time, Albert Einstein, and the big bang and now want to understandably know what is at stake in all the excitement.

MIGRATION AND CHINESE ENTREPRENEURS IN MAZATLAN. SINCE ARRIVING IN MID- NINETEENTH CENTURY UNTIL THEIR EXPULSION IN 1930

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R. Arturo Román Alarcón

2014-01-01

The Chinese migration to Mazatlan and Mexico, began in the mid-nineteenth century, via San Francisco. They were the most important foreign colony from the early decades of the twentieth century. On arrival the Chinese population lacked capital as largely devoted to provide their services as domestic workers, especially farmers and craft activities related to repairing and making shoes. With the advent of the twentieth century and the accumulation of some capital, began its foray into the reta...

Manufacturing technology, manufacturing consumers : the making of Dutch consumer society

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Albert de la Bruhèze, A.A.; Oldenziel, R.

2009-01-01

In the twentieth century, production and consumption rapidly grew, accompanied by businesses’ frantic search for new markets. Many new institutions, corporations, interest groups, research organizations, trade groups, shops, and laboratories were involved in the search. Twentieth-century European

The architecture and artistic features of high-rise buildings in USSR and the United States of America during the first half of the twentieth century

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Golovina Svetlana

2018-01-01

Full Text Available Skyscraper is a significant architectural structure in the world's largest cities. The appearance of a skyscraper in the city's architectural composition enhances its status, introduces dynamics into the shape of the city, modernizes the existing environment. Its architectural structure which can have both expressive triumphal forms and ascetic ones. For a deep understanding of the architecture of high-rise buildings must be considered by several criteria. Various approaches can be found in the competitive development of high-rise buildings in Moscow and the US cities in the middle of the twentieth century In this article we will consider how and on the basis of what the architectural decisions of high-rise buildings were formed.

The architecture and artistic features of high-rise buildings in USSR and the United States of America during the first half of the twentieth century

Science.gov (United States)

Golovina, Svetlana; Oblasov, Yurii

2018-03-01

Skyscraper is a significant architectural structure in the world's largest cities. The appearance of a skyscraper in the city's architectural composition enhances its status, introduces dynamics into the shape of the city, modernizes the existing environment. Its architectural structure which can have both expressive triumphal forms and ascetic ones. For a deep understanding of the architecture of high-rise buildings must be considered by several criteria. Various approaches can be found in the competitive development of high-rise buildings in Moscow and the US cities in the middle of the twentieth century In this article we will consider how and on the basis of what the architectural decisions of high-rise buildings were formed.

The individual’s triumph: the eighteenth-century consolidation of authorship and art historiography

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David Pullins

2017-06-01

Full Text Available The eighteenth-century consolidation of authorial identity – apparent in Salon livrets, art criticism, sales catalogs, inventories, the theoretical development of maniera, signing and hanging practices – was crucial to subsequent, nineteenth-century Romantic notions of what constituted individual authorship and to the kinds of eighteenth-century painting that were eventually written into or out of art history. Situating eighteenth-century paintings and drawings executed by multiple hands in a longue durée between workshop and court artisan practices on one hand and nineteenth-century singularity on the other, this article recovers an alternate thread of authorial identity. Having failed to find a place in art historiography as it developed in the nineteenth and twentieth centuries, these examples in fact find sympathetic counterparts in late twentieth-century theories of the author function. Reconsidering both these multi-authored works and writing about them helps to clarify the historical specificity with which we conceive of the relationship between object and maker.

WEARABLE TECHNOLOGY: FASHION DESIGNERS BRINGS TOGETHER FASHION WITH SCIENCE

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Gozde Yetmen

2017-04-01

Full Text Available In this paper, from the designers, engineers, scientists and technicians are working multidisciplinary and developed in process of time; electronic textiles, smart textiles, nano technology, 3D printed textiles and coded couture. As a result today generated "Wearable Technology". Designer creates contemporary fashion design products and concepts will be examined in this paper. Since the mid-twentieth century, to today’s XXI Century, living an important technological development for the future of fashion is to ensure the creation of high tech fabrics with functional textile fibers. 21st Century avant-garde fashion designers: Hussein Chalayan, Ryan Genz & Francesca Rosella and Anouk Wipprecht are working on the future garment design and determine a new visions that the texture of the emerging trends and technologies in the area of fashion. They realized that the importance of innovation in their collections. For this reason, textile engineers and scientists are working together and investigating various technologies to develop a variety of innovative fabrics or garments.

Probabilistic precipitation and temperature downscaling of the Twentieth Century Reanalysis over France

Science.gov (United States)

Caillouet, Laurie; Vidal, Jean-Philippe; Sauquet, Eric; Graff, Benjamin

2015-04-01

considered to correct monthly precipitation and temperature time series. The first one applies two new analogy steps, using the sea surface temperature (SST) and the large-scale two-meter temperature. The second method is a calendar selection that keeps the closest analogue dates in the year for each target date. A sensitivity study has been performed to assess the final number of analogues dates to retain for each method. A comparison to Safran over 1958-2010 shows that biases on the interannual cycle of precipitation and temperature are strongly reduced with both methods. Using two supplementary analogy levels moreover leads to a large improvement of correlation in seasonal temperature time series. These two methods have also been validated before 1958 thanks to both raw observations and homogenized time series. The two post-processing methods come with some advantages and drawbacks. The calendar selection allows to slightly better correct for seasonal biases in precipitation and is therefore adapted in a forecasting context. The selection with two supplementary analogy levels would allow for possible season shifts and SST trends and is therefore better suited for climate reconstruction and climate change studies. Compo, G. P. et al. (2011). The Twentieth Century Reanalysis Project. Quarterly Journal of the Royal Meteorological Society, 137:1-28. doi: 10.1002/qj.776 Radanovics, S., Vidal, J.-P., Sauquet, E., Ben Daoud, A., and Bontron, G. (2013). Optimising predictor domains for spatially coherent precipitation downscaling. Hydrology and Earth System Sciences, 17:4189-4208. doi:10.5194/hess-17-4189-2013 Vidal, J.-P ., Martin, E., Franchistéguy, L., Baillon, M., and Soubeyroux, J.-M. (2010). A 50-year high-resolution atmospheric reanalysis over France with the Safran system. International Journal of Climatology, 30:1627-1644. doi:10.1002/joc.2003

Commerce and morality in eighteenth-century Italian political thought

NARCIS (Netherlands)

K.H. Stapelbroek (Koen)

2005-01-01

textabstractThis special issue presents a number of studies by young scholars in the history of eighteenth-century Italian political thought, a field that was put on the map in the second half of the twentieth century by the efforts of Franco Venturi. By taking up the theme of commerce and morality,

Anthropocene landscape change and the legacy of nineteenth- and twentieth-century mining in the Fourmile Catchment, Colorado Front Range

Science.gov (United States)

Dethier, David P.; Ouimet, William B.; Murphy, Sheila F.; Kotikian, Maneh; Wicherski, Will; Samuels, Rachel M.

2018-01-01

Human impacts on earth surface processes and materials are fundamental to understanding the proposed Anthropocene epoch. This study examines the magnitude, distribution, and long-term context of nineteenth- and twentieth-century mining in the Fourmile Creek catchment, Colorado, coupling airborne LiDAR topographic analysis with historical documents and field studies of river banks exposed by 2013 flooding. Mining impacts represent the dominant Anthropocene landscape change for this basin. Mining activity, particularly placer operations, controls floodplain stratigraphy and waste rock piles related to mining cover >5% of hillslopes in the catchment. Total rates of surface disturbance on slopes from mining activities (prospecting, mining, and road building) exceed pre-nineteenth-century rates by at least fifty times. Recent flooding and the overprint of human impacts obscure the record of Holocene floodplain evolution. Stratigraphic relations indicate that the Fourmile valley floor was as much as two meters higher in the past 2,000 years and that placer reworking, lateral erosion, or minor downcutting dominated from the late Holocene to present. Concentrations of As and Au in the fine fraction of hillslope soil, mining-related deposits, and fluvial deposits serve as a geochemical marker of mining activity in the catchment; reducing As and Au values in floodplain sediment will take hundreds of years to millennia. Overall, the Fourmile Creek catchment provides a valuable example of Anthropocene landscape change for mountainous regions of the Western United States, where hillslope and floodplain markers of human activity vary, high rates of geomorphic processes affect mixing and preservation of marker deposits, and long-term impact varies by landscape location.

Proceedings of the conference on recent advances in information technology

International Nuclear Information System (INIS)

1999-10-01

Twentieth century has witnessed remarkable advancements that have brought out lasting changes in all the fields of science and technology. The most important advancements are in the field of information technology (IT), which has revolutionized the entire fabric of our life, including nuclear science and technology. It is clear that IT will continue to be one of the fertile areas for scientific and technological developments and this conference proceedings deal with the latest trends in IT applied to information centres dealing with nuclear technology. Papers relevant to INIS are indexed separately

Radioactivity in the twentieth century and some of its implications for the third millennium

International Nuclear Information System (INIS)

Paschoa, Anselmo S.

1997-01-01

Radioactivity has always been present in the Earth, as well in the Universe at large. However, the discovery of the phenomenon of radioactivity occurred just over 100 years ago. It is well known today that nuclear processes are directly related to the nucleosynthesis in starts. As a matter of fact, all types of nuclear reactions, like fission and captures, occur in stars at different stages of stellar evolution. The sequence of episodes that took place between 1896 and 1898, involving Henry Becquerel, and Marie and Pierre Curie, led to the discover of the phenomena that would greatly influence the twentieth century. It took, however, until 1939 for the phenomenon of fission to be explained by Otto Frish and Lise Meitner, based on experimental results obtained earlier by Otto Hahn and Fritz Strassman. Aware of the potential military implications of fission Leo Szilard exhorted Albert Einstein to write a letter to the President of the United States, Franklin Delano Roosevelt. Such letter is regarded as the initial step of the mammoth Manhattan Project to build the first nuclear weapons. The aftermath of nuclear attacks to Japan, at the end of the Second World War, created dramatic changes in the relations among the nations. The escalation of the nuclear arsenals throughout the world created peculiar and secretive that, by and large, produced wastes of many kinds and a variety of radioactive concentrations which were held by the governments and/or the military industries themselves. The paper will discuss some possible international cooperative efforts to reduce some of the deleterious implications for the third millennium of the inheritance left behind by the military nuclear programs. (author)

Mammalian developmental genetics in the twentieth century.

Science.gov (United States)

Artzt, Karen

2012-12-01

This Perspectives is a review of the breathtaking history of mammalian genetics in the past century and, in particular, of the ways in which genetic thinking has illuminated aspects of mouse development. To illustrate the power of that thinking, selected hypothesis-driven experiments and technical advances are discussed. Also included in this account are the beginnings of mouse genetics at the Bussey Institute, Columbia University, and The Jackson Laboratory and a retrospective discussion of one of the classic problems in developmental genetics, the T/t complex and its genetic enigmas.

Dwudziestowieczna filozofia analityczna. O pewnej próbie całościowego ujęcia (TWENTIETH-CENTURY ANALYTIC PHILOSOPHY. ON A RECENT ATTEMPT OF ITS GENERAL ACCOUNT

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Tadeusz Szubka

2007-06-01

Full Text Available Although analytic philosophy is a major movement shaping contemporary philosophy, there are not too many historical accounts of that movement which would be comprehensive, unified and sufficiently detailed. An impressive attempt to fill in this lacuna is the two-volume book 'Philosophical Analysis in the Twentieth Century', modestly described by its author Scott Soames (renowned mainly for his work in the philosophy of language as 'an introductory overview of the analytic tradition in philosophy covering roughly the period between 1900 and 1975'. The first volume discusses the philosophy of G.E. Moore, the most influential views of Bertrand Russell, Ludwig Wittgenstein's 'Tractatus', logical positivism (including emotivism in ethics and reaction against it, as well as the early philosophy of W.V. Quine. The second volume continues the story of analytic philosophy by providing an account of the later philosophy of Wittgenstein, the ordinary language philosophy and its demise, the philosophical naturalism of W.V. Quine, the theory of meaning of Donald Davidson, and finally Saul Kripke's seminal philosophy of language and its wide-ranging implications. The book contains also a short epilogue outlining the direction taken by analytic philosophy in the last quarter of the twentieth century. The two volumes of Soames' account of contemporary analytic tradition are packed with lucid, sophisticated and detailed discussions of various views of major thinkers of that tradition. However, besides these merits the book by Soames has several weaker points. It defines analytic philosophy in a rather loose and unspecific manner, as well as gives an arbitrarily selective and unbalanced account of its recent developments.

“Gate and Port of the South of Argentina”? Nuances and Debates in the Image of Bahia Blanca City in Its Regional Context in the Mid-twentieth Century

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Juliana López Pascual

2016-01-01

Full Text Available For over a century the people of Bahia Blanca, Argentinian port city located at the south west of the province of Buenos Aires, they have imagined it and defined it not only as part of the Patagonian territories but also as their legitimate political, economic and cultural center. The aim of historicizing and questioning this idea, trying to account for the interests that were mobilized, the ideological postures that hinted, and the impact it had on the effective regional layout, is what motivates our research. To that end, this article does focus on economic and infrastructural dimension that some debates of mid-twentieth century used simultaneously as evidence and as ultimate goal of this alleged hegemony. For this purpose, we will analyze the writings of Domingo Pronsato and Ricardo M. Ortiz whom, from different geopolitical perspectives, devised specific roles for the city that suited their plans for the regional development of Patagonia.

Creeping, drinking, dying: the cinematic portal and the microscopic world of the twentieth-century cell.

Science.gov (United States)

Landecker, Hannah

2011-09-01

Film scholars have long posed the question of the specificity of the film medium and the apparatus of cinema, asking what is unique to cinema, how it constrains and enables filmmakers and audiences in particular ways that other media do not. This question has rarely been considered in relation to scientific film, and here it is posed within the specific context of cell biology: What does the use oftime-based media such as film coupled with the microscope allow scientists to experience that other visualization practices do not? Examining three episodes in the twentieth-century study of the cell, this article argues that the apparatus ofmicrocinematography constitutes what might be thought of as a technical portal to another world, a door that determines the experience of the world that lies on the other side of it. In this case, the design of apparatuses to capture time-lapsed images enabled the acceleration of cellular time, bringing it into the realm of human perception and experience. Further, the experience of the cellular temporal world was part of a distinct kind of cell biology, one that was focused on behavior rather than structure, focused on the relation between cells, and between the cell and its milieu rather than on cell-intrinsic features such as chromosomes or organelles. As such, the instruments and technical design of the microcinematographic apparatus may be understood as a kind of materialized epistemology, the history of which can elucidate how cinema was and is used to produce scientific knowledge.

The Innovative Work of S. S. Glagolev: Theism in Russian Theological Academies of the Beginning of the Twentieth Century and Its Focusing on the Problem of Man

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Marjana Ershova

2015-02-01

Full Text Available The author details the results of her study of the works of Sergey Sergeyevich Glagolev, a prominent professor of the Moscow Theological Academy. Glagolev’s heritage produces a profound impression by means of its versatility, its original way of looking at diverse problems as well as his unique solutions to the same problems. For this reason, it possesses enduring relevance. Despite this fact, his correspondence is still not well known nor understood. The author focuses on Glagolev’s analysis of the human problem. This choice may be explained by the fact that Sergey Sergeevich considered the problem of man to be the key issue behind the collision of religion and science taking place during the early twentieth century. Glagolev attempted to solve this problem by focusing on certain aspects of the subject: the origin of mankind, the interaction of the spirit and the body, the immortality of the soul, the origin of religion, as well as the way in which religious faith came about. A vital aspect of Glagolev’s treatment of the problem of man is his criticism of Charles Darwin and Darwinism, and thereby of the entire theory of evolution. Glagolev disagreed with the basic premises of this theory as well as with some of its specific conclusions. While opposing the concept of anthropo-genesis, Glagolev formulated his own theory regarding the origins of mankind. Thus, Glagolev viewed the origins and later history of mankind through the prism of his theory of degradation, which allowed him to seamlessly link the biblical narrative of the origins of man with contemporary scientific data. The author concludes that Glagolev was a major influence in the development of Russian theology during the first years of the twentieth century.

Book Review Imaginary modernity and tradition. Architecture of the twentieth century in Latin America / Reseña del Libro Imaginarios de modernidad y tradición. Arquitectura del siglo XX en América Latina

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Adolfo Benito Narváez Tijerina

2016-10-01

Full Text Available Book Review Imaginary modernity and tradition. Architecture of the twentieth century in Latin America Reseña del Libro Imaginarios de modernidad y tradición. Arquitectura del siglo XX en América Latina. Ettinger, Catherine R. (coord. (2015. Imaginarios de modernidad y tradición. Arquitectura del siglo XX en América Latina. México: Miguel Ángel Porrúa, 259 páginas. ISBN: 978-6074019681.

Four centuries of translocal development in cities and regions in Northwest Germany

NARCIS (Netherlands)

Terlouw, K.

2013-01-01

This paper analyses how the fates of different peripheral localities (Emsland, Gütersloh, and Lippe in Germany) were linked to the outside world in the course of the seventeenth to twentieth centuries. In the first centuries, these localities' translocal relations with the world economy were

Thalidomide and the Titanic: reconstructing the technology tragedies of the twentieth century.

Science.gov (United States)

Annas, G J; Elias, S

1999-01-01

The Titanic has become a metaphor for the disastrous consequences of an unqualified belief in the safety and invincibility of new technology. Similarly, the thalidomide tragedy stands for all of the "monsters" that can be inadvertently or negligently created by modern medicine. Thalidomide, once banned, has returned to the center of controversy with the Food and Drug Administration's (FDA's) announcement that thalidomide will be placed on the market for the treatment of erythema nodosum leprosum, a severe dermatological complication of Hansen's disease. Although this indication is very restricted, thalidomide will be available for off-label uses once it is on the market. New laws regarding abortion and a new technology, ultrasound, make reasonable the approval of thalidomide for patients who suffer from serious conditions it can alleviate. In addition, the FDA and the manufacturer have proposed the most stringent postmarketing monitoring ever used for a prescription drug, including counseling, contraception, and ultrasonography in the event of pregnancy. The Titanic/thalidomide lesson for the FDA and public health is that rules and guidelines alone are not sufficient to guarantee safety. Continuous vigilance will be required to ensure that all reasonable postmarketing monitoring steps are actually taken to avoid predictable and preventable teratogenic disasters. PMID:9987477

Thalidomide and the Titanic: reconstructing the technology tragedies of the twentieth century.

Science.gov (United States)

Annas, G J; Elias, S

1999-01-01

The Titanic has become a metaphor for the disastrous consequences of an unqualified belief in the safety and invincibility of new technology. Similarly, the thalidomide tragedy stands for all of the "monsters" that can be inadvertently or negligently created by modern medicine. Thalidomide, once banned, has returned to the center of controversy with the Food and Drug Administration's (FDA's) announcement that thalidomide will be placed on the market for the treatment of erythema nodosum leprosum, a severe dermatological complication of Hansen's disease. Although this indication is very restricted, thalidomide will be available for off-label uses once it is on the market. New laws regarding abortion and a new technology, ultrasound, make reasonable the approval of thalidomide for patients who suffer from serious conditions it can alleviate. In addition, the FDA and the manufacturer have proposed the most stringent postmarketing monitoring ever used for a prescription drug, including counseling, contraception, and ultrasonography in the event of pregnancy. The Titanic/thalidomide lesson for the FDA and public health is that rules and guidelines alone are not sufficient to guarantee safety. Continuous vigilance will be required to ensure that all reasonable postmarketing monitoring steps are actually taken to avoid predictable and preventable teratogenic disasters.

French in the XX Century: Development Tendencies

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Taisiya I. Skorobogatova

2017-06-01

Full Text Available This article is devoted to the disclosure of changes that occurred in the French language in the XX century. The task of the authors is to present the main features characteristic of the French language of the 20th century, taking into account external history and to give their perspective assessment. World wars, the development of communication tools and the creation of new technologies, the strengthening of cultural and economic ties between France and other countries of the world had a significant impact on the evolution of the French language. Important results of the development of the French language in the period under review include: fixing a new phoneme [ŋ] in the consonantial system of the French language; enrichment of the lexical system at the expense of internal resources and at the expense of other languages; strengthening the dynamics of the development of the non-literary part of the language; increase in the number of syntactic Anglicisms. In general, the authors of the article attempted to give a detailed answer to the question: if there was the impoverishment of the French language in the twentieth century.

Humanities: The Unexpected Success Story of the Twenty-First Century

Science.gov (United States)

Davis, Virginia

2012-01-01

Humanities within universities faced challenges in the latter half of the twentieth century as their value in the modern world was questioned. This paper argues that there is strong potential for the humanities to thrive in the twenty-first century university sector. It outlines some of the managerial implications necessary to ensure that this…

Taking Up Space: Museum Exploration in the Twenty-First Century

Science.gov (United States)

Sutton, Tiffany

2007-01-01

Museums have become a crucible for questions of the role that traditional art and art history should play in contemporary art. Friedrich Nietzsche argued in the nineteenth century that museums can be no more than mausoleums for effete (fine) art. Over the course of the twentieth century, however, curators dispelled such blanket pessimism by…

From Science to Industry: The Sites of Aluminium in France from the Nineteenth to the Twentieth Century.

Science.gov (United States)

Le Roux, Muriel

2015-05-01

This paper explores the history of the isolation and industrial production of aluminium in France, from the work of Henri Sainte-Claire Deville in the 1850s to the latter part of the twentieth century, focusing on the relationships between academic research and industrial exploitation. In particular, it identifies a culture and organisation of research and development, "learning-by-doing," that emerged in the French aluminium industry following the establishment of the first electrolytic production facilities in the late 1880s by Paul Héroult, who, along with the American Charles Hall, patented the electrolytic method of producing the metal. This French method of R&D was a product both of a scientific culture that saw a continuity between scientific research and industrial application, and of a state policy that, unlike in Germany or the United States, was late to recognise the importance of fostering, on a large scale, the relations between academic chemistry and industry. It was only after World War II that the French state came fully to recognise the importance of underpinning industry with scientific research. And it was only from the 1960s, in the face of intensifying global competition, the risks of pollution, and the cost of energy, that the major aluminium firm Pechiney et Cie was able to replace a culture of "learning-by-doing" by one that integrated fundamental science with the production process.

Commodity Price Fluctuations: A Century of Analysis

OpenAIRE

Walter Labys

2005-01-01

Commodity prices again! The twentieth century has only been the latest spectator to the impacts and importance of commodity price fluctuations. It is reasonably well known that commodity price records have come down to us from the ancient civilizations of India, Mesopotamia, Egypt, Greece and Rome. Earlier in the century, formal research began on the relationships between agricultural demand, supply and prices in a market context. This research not only evolved in sophistication but extended ...

BEYOND GUNS AND BUTTER: Finnish Central Government Spending Patterns the in Twentieth Century

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Jari Eloranta

2008-01-01

Full Text Available This paper explains the long-run demand for central government spending in Finland by analyzing quantitative and qualitative changes in the spending behavior, examining possible links between variables in a VAR-framework, and performing multivariate analysis of the demand factors. The results was shoved that a explained  by a lack of military versus social spending tradeoff effect. Even though certain other variables were found to be relevant in explaining this demand, this lack of a tradeoff increased the Finnish spending levels substantially during the twentieth centurt welfare state expansion.

Membrane technologies in TPP and NPP. A prognosis for 21 century

International Nuclear Information System (INIS)

Iovchev, M.

1998-01-01

The critical comparison of ion exchange and membrane technology at the end of the XX century shows that ion exchange technologies have reached their technological (and economic) peak. That's why the membrane technologies (in different versions) gradually began to replace the ion exchange technologies in installations for the production of ultrapure and softened water. This process is expected to continue in the next century amid deepening deficit of fresh water in the world water balance, which is a steady trend in the further development of modern industrial society

Chinese Avant-garde Art in the Late Twentieth Century

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Nataša Vampelj Suhadolnik

2014-12-01

Full Text Available The main topic of the present paper is the '85 Art Movement, which was the first significant nationwide Avant-garde art movement in China. This movement, which arose in the mid-80s, defined the aesthetic foundations and identity of contemporary Chinese art, and represented Chinese globalized society on the threshold of the 21st century. Whilst focusing on China’s specific cultural and political contexts, the present paper analyses the concepts of humanism (renwen 人文 and idea (guannian 觀念. The spirit of humanism, with a rationalist connotation, and the desire for a revolution of ideas were the two main factors underpinning the Chinese Avant-garde movement and its artistic expressions. The paper also shows that the '85 Art Movement did not stem solely from the socio-political challenges of the 1980s, but should be regarded in the wider context of the “modernization project of Chinese art”, in the early 20th century.

Mathematics of the 19th century mathematical logic, algebra, number theory, probability theory

CERN Document Server

Yushkevich, A

1992-01-01

This multi-authored effort, Mathematics of the nineteenth century (to be fol­ lowed by Mathematics of the twentieth century), is a sequel to the History of mathematics fram antiquity to the early nineteenth century, published in three 1 volumes from 1970 to 1972. For reasons explained below, our discussion of twentieth-century mathematics ends with the 1930s. Our general objectives are identical with those stated in the preface to the three-volume edition, i. e. , we consider the development of mathematics not simply as the process of perfecting concepts and techniques for studying real-world spatial forms and quantitative relationships but as a social process as weIl. Mathematical structures, once established, are capable of a certain degree of autonomous development. In the final analysis, however, such immanent mathematical evolution is conditioned by practical activity and is either self-directed or, as is most often the case, is determined by the needs of society. Proceeding from this premise, we intend...

SUMMARY REPORT OF THE DOE DIRECT LIQUEFACTION PROCESS DEVELOPMENT CAMPAIGN OF THE LATE TWENTIETH CENTURY; FINAL

International Nuclear Information System (INIS)

F.P. Burke; S.D. Brandes; D.C. McCoy; R.A. Winschel; D. Gray; G. Tomlinson

2001-01-01

Following the petroleum price and supply disruptions of 1973, the U.S. government began a substantial program to fund the development of alternative fuels. Direct coal liquefaction was one of the potential routes to alternative fuels. The direct coal liquefaction program was funded at substantial levels through 1982, and at much lower levels thereafter. Those processes that were of most interest during this period were designed to produce primarily distillate fuels. By 1999, U.S. government funding for the development of direct coal liquefaction ended. Now that the end of this campaign has arrived, it is appropriate to summarize the process learnings derived from it. This report is a summary of the process learnings derived from the DOE direct coal liquefaction process development campaign of the late twentieth century. The report concentrates on those process development programs that were designed to produce primarily distillate fuels and were largely funded by DOE and its predecessors in response to the petroleum supply and price disruptions of the 1970s. The report is structured as chapters written by different authors on most of the major individual DOE-funded process development programs. The focus of the report is process learnings, as opposed to, say, fundamental coal liquefaction science or equipment design. As detailed in the overview (Chapter 2), DOE's direct coal liquefaction campaign made substantial progress in improving the process yields and the quality of the distillate product. Much of the progress was made after termination by 1983 of the major demonstration programs of the ''first generation'' (SRC-II, H-Coal, EDS) processes

Underground aboveground. Technology and market of coal mining in Dutch Limburg during the eighteenth and nineteenth centuries

International Nuclear Information System (INIS)

Gales, B.P.A.

2002-01-01

This book considers the development of coal mining in the Dutch province of Limburg during the eighteenth and nineteenth centuries. It is focused on the technical development and its economic background. Within the Dutch borders, as defined at the Congress of Vienna and the Dutch-Prussian negotiations of 1815 and 1816, the mining industry was small. In fact, it only consisted of two mines. (Earlier, more companies of miners had been working in the area since the Middle Ages). The two mines, however, had a certain symbolic importance for contemporaries. Most telling was the stubborn refusal to cede coal-ground to Prussia, ending in a remarkable compromise. The new national frontier was different above and underground. Underground the old borders were maintained. Thus it came about that in matters of mining, the Dutch were locally sovereign under a foreign surface. This fact itself shows that the political divisions of the nineteenth and twentieth centuries were rather artificial constructions. Dutch coal-strata were a continuation of the seams of the Worm-basin or the Aachen coal field. The Dutch collieries were just the most north-western ones of a whole series, the Worm-mines, until new pits were constructed around the turn of the nineteenth and into the twentieth centuries and modem mining in the Dutch-Limburg field took off. This is also the more general perspective taken in this book. Developments on the Dutch side of the border are contrasted with those on the German side. Furthermore, the evolution of the mines between Aachen in Germany and the Dutch town Kerkrade are considered in the light of what happened in the neighbourhood of Liege (Belgium) and the mining districts further south in Belgium, the north of France and both the Ruhr and Saar districts in Germany. In short, the Austrasian field, the concept framed by Wrigley in 1962, is the locus of reference. The symbolic importance of Dutch coal mining stimulated a series of experiments in bringing the

- ED ITO RIAL - A Century's Perspective

African Journals Online (AJOL)

broke out on the subcontinent of southern Africa that was to have a profound effect ... This war, historicised as the Second Anglo-Boer War, was a watershed ... this was one of the first 'total' wars of the twentieth century and its impact on ... The Union Defence Force, an essentially unhappy marriage between the British and.

Twentieth-century warming revives the world's northernmost lake

DEFF Research Database (Denmark)

Perren, Bianca B.; Wolfe, Alexander P.; Cooke, Colin A.

2012-01-01

lake to explore this question. Microfossils indicate that siliceous diatoms and chrysophytes were abundant initially, but disappeared 2400 yr ago in concert with Neoglacial cooling. Microfossils reappear in 20th-century sediments and reach unprecedented concentrations in sediments deposited after ca. A.......D. 1980, tracking increasing summer temperatures in the absence of evidence for atmospheric nutrient subsidies. These results indicate that current warming in northern Greenland is unprecedented in the context of the past 2400 yr, and that climate change alone is responsible for the marked biological...

Il futurismo polacco nella critica letteraria dell’epoca [Polish Futurism in Literary Criticism of the Early Twentieth Century

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Andrea F. De Carlo

2016-12-01

Full Text Available The article analyses the critical voices raised against the young poets and artists who promoted Futurism in Poland during the first half of the Twentieth century. Futurist manifestos influenced the new Polish poetry, stimulating a lively debate among intellectuals of the calibre of Stefan Żeromski and Karol Irzykowski. In general, the coeval criticism of Polish Futurism focused on three main points: the lack of originality and servile imitation of foreign literary models; the repudiation of the past and national traditions; Futurism as an expression of ideologies such as Fascism in Italy and Bolshevism in Russia. In this article, specific attention is devoted to an analysis of the essay Snobizm i postęp (Snobbery and Progress, 1923 by Żeromski. The writer, criticising Polish imitators of Russian Futurism, affirmed that Polish literature and culture, in the context of national reconstruction after three partitions of Poland, needed to maintain its natural connection with the past and at the same time, without losing its national nature, to weave some universal suggestions into the plot of purely Polish themes. The goal of this article is to reveal that Żeromski and Irzykowski’s critical stance towards the Polish Futurists, which influenced the critics of the next generation, was dictated by a shallow analysis of Futuristic works and by their inability to understand Futuristic efforts to modernise Polish art and literature.

The Heritage of the Future: Historical Keyboards, Technology, and Modernism

OpenAIRE

Ng, Tiffany Kwan

2015-01-01

This dissertation examines modernist twentieth-century applications of the pipe organ and the carillon in the United States and in the Netherlands. These keyboard instruments, historically owned by religious or governmental entities, served an exceptionally diverse variety of political, technological, social, and urban planning functions. Their powerful simultaneous associations with historicism and innovation enabled those who built and played them to anchor the instruments’ novel uses in th...

Vagabond Figures in Slovenian Visual Art and Literature at the Beginning of the Twentieth Century

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Robert Simonišek

2011-07-01

Full Text Available The article explores the relationship between visual and literary motifs in Slovenian painting (and illustration, graphics, and drawing and literature (both prose and poetry at the beginning of the twentieth century. It uses examples to show the popularity and rich variety of vagabond figures and their transformations and reciprocity at the level of the painting/text. However, a distinctive feature of this article is that it places the subject within the context of hermeneutics, a method that has not been used in Slovenian art history. In addition, it also reveals the symbolic complexity of the vagabond figure in the context of writers, other works, and social-historical circumstances. The emphasis is placed on artists that showed enthusiasm for this figure as a subject during the Belle Époque and also those that followed the very popular bohemian lifestyle in their everyday lives. The reception of Slovenian folk and traditional motifs from the past produced visual and semantic oscillation in which the phenomena of vagabond figures were systematized and interpreted. Many painters (e.g., Gvidon Birolla, and Maksim Gaspari and writers (e.g., Oton Župančič, Cvetko Golar, and Ivan Cankar clung to the Slovenian tradition with romantic overtones and, in line with their artistic atmosphere, integrated vagabond figures into typical Slovenian landscapes or environments. Some of them followed Symbolism and modernized the figures with autobiographical references (e.g., Fran Tratnik. The situation among the youngest generation of artists in particular showed that they managed to “escape” from copying traditional motifs and instead used them in a modern form in the “here and now” (e.g., Ivan Cankar. The discrepancy between the lack of the vagabond theme in oil painting and strong diversification in illustration, drawing, graphics, and literature could be explained by consumers’ perceived difference between “high” and “popular” art.

Family ties and intergenerational relationships in European families in the twentieth century [Więzy rodzinne i relacje międzypokoleniowe w rodzinach europejskich w XX wieku

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Marie MAREČKOVÁ

2017-11-01

Full Text Available Intergenerational family relationships still performed an important social function in rural society in Europe at the beginning of the twentieth century. The situation within the Czech family illustrates the current problems in family ties and intergenerational relationships that have surfaced since the nineteen nineties. Negative developmental trends are being seen, particularly in comparison with family circumstances in other European countries, most significantly the continuing ageing of the population and the wide-ranging activities of seniors. Looser relationships with their families and a decline in their engagement in caring for their grandchildren mean that Czech grandparents tend to rank alongside more socially developed countries in this respect. Under Czech conditions, however, this can lead to great strain on the active roles played by seniors. The growing number of adult offspring, particularly men, living with their parents is a far from progressive trend in social and economic development, and corresponds more closely with southern European traditions. A preference for alternative forms of cohabitation, particularly among partners with primary education, the postponing of the birth of the first child, the growth in the number of single-person households and, perhaps most importantly, the enormous rise in the number of households comprised of young or middle-aged individuals in the economically productive age group may, it is true, rank the Czech Republic among socially developed countries and at around the European average, though in view of the unfavourable demographic trend a fundamental change in state support for marriage and the family is, however, also essential in the Czech Republic. The fact is that more than a third of families with children are threatened with poverty. The conclusion arising from the analyses performed indicates that the current problems in state social and family policy are reflected in the increasing

Moral Psychology for the Twenty-First Century

Science.gov (United States)

Haidt, Jonathan

2013-01-01

Lawrence Kohlberg slayed the two dragons of twentieth-century psychology--behaviorism and psychoanalysis. His victory was a part of the larger cognitive revolution that shaped the world in which all of us study psychology and education today. But the cognitive revolution itself was modified by later waves of change, particularly an "affective…

A Century of Change: The Evolution of School Library Resources, 1915-2015

Science.gov (United States)

Lamb, Annette

2015-01-01

School libraries have been in existence since at least the eighth century. However, it wasn't until the twentieth century that the school library was seen primarily as "a source of enrichment for the curriculum, and a means of developing reading and study habits in the pupils" (Clyde 1981, 263). While the formats available and tools for…

White supremacism and Islamic astronomy in history of astronomy texts from the eighteenth century to the present day

Science.gov (United States)

Lockard, Joe

2018-04-01

This paper reviews manifestations of racism in European and American histories of Arab and Persian astronomy from the eighteenth century to the present day. Its first section discusses representation of Islamic astronomy from Adam Smith to late Victorian writers, particularly tracing ideas of Arab unoriginality and scientific incapacity. The second section first relates the appearance of scientific racism in the early twentieth-century historiography of astronomy, then how the rise of scientifically and linguistically competent scholarship in the latter twentieth century provided much-improved information on Islamic achievements in astronomy. The paper’s conclusion underlines the importance of avoiding ethnic supremacism and integrating research on Islamic astronomy into teaching and publishing on the history of astronomy.

History and development of Carboniferous palynology in North America during the early and middle twentieth century

Energy Technology Data Exchange (ETDEWEB)

Cross, A.T.; Kosanke, R.M. [Michigan State University, East Lansing, MI (United States). Dept. of Geological Sciences

1995-12-31

Three main roots of upper Palaeozoic palynology in North America date from the opening of the twentieth century. These are Gresley`s recognition of spores in Iowa coal balls in 1901, analyses of spores by Sellards from Mazon Creek compressions in 1902, and Thiessen`s analyses of dispersed spores from coal maceration and thin sections in 1913. The Pollen Analysis Circular brought workers into contact in the 1940s and generated interest in older fossils. The Paleobotanical Section of the Botanical Society of America (1936) and the Coal Geology Division of the Geological Society of America (1955) encouraged palynologists to participate in meetings and field trips. Fundamental papers by Schopf et al. in 1944 and Kosanke in 1950 established Carboniferous palynology in North America. Active teaching and research centers at the University of Chicago in the 1920s and the University of Illinois and Coe College in the 1930s spawned new palynological centers, particularly throughout the Midwest. Palynological contributions on dispersed spores, mainly from coals and associated rocks, appeared from educational centers from 1929 through the 1950s. Limited reviews of early researches at early palynologic centers are here included by region. Palynology applied to petroleum exploration appeared in the 1940s and major petroleum companies had palynology laboratories in place by 1960. The first international palynology journals appeared in the 1950s and catalogs first appeared in the mid-1960s, except the Catalog of Fossil Spores and Pollen, which began in 1957. The first specific palynology organization, the American Association of Stratigraphic Palynologisst, was founded in 1968. 304 refs., 38 figs

Yiddish and Judeo-Spanish as Determinants of Identity: As Illustrated in the Jewish Press of the First Half of the Twentieth Century

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Izabela Olszewska

2016-12-01

Full Text Available Yiddish and Judeo-Spanish as Determinants of Identity: As Illustrated in the Jewish Press of the First Half of the Twentieth Century The paper shows an image and functions of Yiddish and Judeo-Spanish languages among Jewish Diaspora groups – the Balkan Sephardim and the Ashkenazim (the Ostjuden group – in the period from the beginning of the twentieth century until the outbreak of World War II. The study is based on the articles from Jewish weeklies, magazines and newspapers from pre-war Bosnia and Hercegovina and from Germany/Poland. It demonstrates a double-sided attitude towards the languages. On the one hand – an image of the languages as determinants of Jewish identity. Touching on this theme, the authors of the paper also try to highlight the images of Yiddish and Judeo-Spanish and as determinants in a narrower sense – of the Sephardi/Ashkenazi identity in that period. On the other hand, the paper shows a tendency to treat the languages as “corrupted” and “dying” languages, and as factors slowing down the assimilation of Jewish groups and also as an obstacle for Zionist ideologies.   Języki jidysz i żydowsko-hiszpański jako wskaźniki tożsamości – na przykładzie żydowskich tekstów prasowych pierwszej połowy XX wieku Artykuł ukazuje obraz i funkcje języków jidysz i żydowsko-hiszpańskiego wśród żydowskich grup diasporowych – bałkańskich Sefardyjczyków oraz Aszkenazyjczyków (Ostjuden – w okresie od początków wieku XX do wybuchu II wojny światowej. Opis oparty jest na artykułach z żydowskich magazynów, tygodników, prasy codziennej z przedwojennej Bośni i Hercegowiny oraz Niemiec/Polski. Ukazany jest ambiwalentny stosunek wobec języków. Z jednej strony – obraz języków jako wskaźników żydowskiej tożsamości, jak również obraz jidysz i żydowsko-hiszpańskiego jako wskaźników tożsamości w węższym ujęciu: tożsamości sefardyjskiej/aszkenazyjskiej w omawianym okresie. Z drugiej

O Jequitinhonha dos viajantes, séculos XIX e XX: olhares diversos sobre as relações sociedade - natureza no nordeste mineiro The voyagers' Jequitinhonha, Nineteenth and Twentieth centuries: different views over the society - nature relations in northeast Minas Gerais

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Marcos Lobato Martins

2008-12-01

Full Text Available Este trabalho analisa as mudanças ambientais no Médio Jequitinhonha entre o início do século XIX e o início do XX, através da releitura de relatos de viajantes e textos de memorialistas. São indicadas as principais formas de degradação ambiental presentes na região e avaliados os seus impactos sobre as caatingas e as matas virgens. Conclui-se que: a houve aumento expressivo da velocidade de alteração das paisagens regionais na primeira metade do século XX e; b essa alteração fortaleceu a tendência de pecuarização na economia do Médio Jequitinhonha.This paper analyzes the environmental changes in the Middle Jequitinhonha between the nineteenth and twentieth centuries beginnings, through the reading of the memoirialists and voyagers reports. The major environmental degradating actions that take place in the region are indicated and its impacts over the caatingas and forests are evaluated. It concludes: a an expressive increase in the velocity of the regional landscapes change in the first half of twentieth century; b and this change annealed the tendency of cattle's predominance in Middle Jequitinhonha economy.

A Century of Human Capital and Hours

OpenAIRE

Diego Restuccia; Guillaume Vandenbroucke

2012-01-01

An average person born in the United States in the second half of the nineteenth century completed 7 years of schooling and spent 58 hours a week working in the market. By contrast, an average person born at the end of the twentieth century completed 14 years of schooling and spent 40 hours a week working. In the span of 100 years, completed years of schooling doubled and working hours decreased by 30 percent. What explains these trends? We consider a model of human capital and labor supply t...

From Danger and Motherhood to Health and Beauty: Health Advice for the Factory Girl in Early Twentieth-Century Britain1

Science.gov (United States)

LONG, VICKY; MARLAND, HILARY

2015-01-01

A survey of government reports and the archives and journals of other agencies interested in industrial health in early twentieth-century Britain has led us to conclude that, in addition to apprehension about the potentially harmful impact of industrial work on the reproductive health of women, there was a great deal of interest in the health of young, unmarried girls in the workplace, particularly the factory. Adopting a broader time frame, we suggest that the First World War, with its emphasis on the reproductive health of women, was an anomalous experience in a broader trend which stressed the growing acceptability of women’s work within industry. Concern with girls’ health and welfare embraced hygiene, diet, exercise, recreation, fashion and beauty within and outside of the workplace, as well as the impact of the boredom and monotony associated with industrial work. The health problems of young women workers tended to be associated with behaviour and environment rather than biology, as were anxieties about the impact of work on morals, habits and character. Efforts to ensure that young female factory workers would be equipped to take their place as citizens and parents, we argue, often dovetailed rather than diverged with the ‘boy labour’ question. PMID:20481061

Key textbooks in the development of modern american plastic surgery: the first half of the twentieth century.

Science.gov (United States)

Haddock, Nicholas T; McCarthy, Joseph G

2013-07-01

A number of historical texts published during the first half of the twentieth century played a pivotal role in shaping and defining modern plastic surgery in the United States. Blair's Surgery and Diseases of the Mouth and Jaws (1912), John Staige Davis's Plastic Surgery: Its Principles and Practice (1919), Gillies's Plastic Surgery of the Face (1920), Fomon's Surgery of Injury and Plastic Repair (1939), Ivy's Manual of Standard Practice of Plastic and Maxillofacial Surgery, Military Surgery Manuals (1943), Padgett and Stephenson's Plastic and Reconstructive Surgery (1948), and Kazanjian and Converse's The Surgical Treatment of Facial Injuries (1949) were reviewed. These texts were published at a time when plastic surgery was developing as a distinct specialty. Each work represents a different point in this evolution. All were not inclusive of all of plastic surgery, but all had a lasting impact. Four texts were based on clinical experience from World War I; one included experience from World War II; and two included experience from both. One text became a military surgical handbook in World Wars I and II, playing an important role in care for the wounded. History has demonstrated that times of war spark medical/surgical advancements, and these wars had a dramatic impact on the development of reconstructive plastic surgery. Each of these texts documented surgical advancements and provided an intellectual platform that helped shape and create the independent discipline of plastic surgery during peacetime. For many future leaders of plastic surgery, these books served as their introduction to this new field.

Introduction: Technologies of Fire in Nineteenth-Century British Culture

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Anne Sullivan

2017-12-01

Full Text Available Cultural histories of nineteenth-century Britain have studied the important physical and psychological transformations caused by the industrialization of light. Gaslight, though discovered prior to the nineteenth century, became aligned with the era’s narratives of national and industrial progress, an arc that, one might argue, culminated in the growing popularity of electric light at the end of the century. Yet, despite these new technologies of ‘artificial light’, ‘natural’ wood and coal fires remained popular in British culture. This issue explores fire as a visual and narrative technology in art, literature, and public displays by examining the ways in which it evoked competing symbolic values, such as primitivism and modernity, vitality and destruction, intimacy and spectacle. The reading order mixes articles and shorter pieces together to demonstrate the continuities of fire across various sites, including: the domestic fireside, the tallow candle, theatrical conflagrations, Turner’s fires, fireworks, funeral pyres, subterranean fire, solar fire, and a coal-ship fire.

Empiricism and rationalism in nineteenth-century histories of philosophy

OpenAIRE

Vanzo, Alberto

2016-01-01

This paper traces the ancestry of a familiar historiographical narrative, according to which early modern philosophy was marked by the development of empiricism, rationalism, and their synthesis by Immanuel Kant. It is often claimed that this narrative became standard in the nineteenth century, due to the influence of Thomas Reid, Kant and his disciples, or German Hegelians and British Idealists. The paper argues that the narrative became standard only at the turn of the twentieth century. Th...

Structural mechanics in reactor technology facing new century

International Nuclear Information System (INIS)

Gu Fangyu; Sun Lei

2001-01-01

In recent twenty years, the SMiRT in China has been grown with high-speed. A great quantity problem in theory and application had been solved. It has taken great contributions in the development and application of nuclear technology. At the beginning of new century, summarizing the past experiences and predicting the future, the author hoped to give a relatively systematic discussion and conception of challenges and development directions that SMiRT with face up to in the new century, and put down some immature opinions for discussion

Glacier variability in the conterminous United States during the twentieth century

Science.gov (United States)

McCabe, Gregory J.; Fountain, Andrew G.

2013-01-01

Glaciers of the conterminous United States have been receding for the past century. Since 1900 the recession has varied from a 24 % loss in area (Mt. Rainier, Washington) to a 66 % loss in the Lewis Range of Montana. The rates of retreat are generally similar with a rapid loss in the early decades of the 20th century, slowing in the 1950s–1970s, and a resumption of rapid retreat starting in the 1990s. Decadal estimates of changes in glacier area for a subset of 31 glaciers from 1900 to 2000 are used to test a snow water equivalent model that is subsequently employed to examine the effects of temperature and precipitation variability on annual glacier area changes for these glaciers. Model results indicate that both winter precipitation and winter temperature have been important climatic factors affecting the variability of glacier variability during the 20th Century. Most of the glaciers analyzed appear to be more sensitive to temperature variability than to precipitation variability. However, precipitation variability is important, especially for high elevation glaciers. Additionally, glaciers with areas greater than 1 km2 are highly sensitive to variability in temperature.

SAFARI 2000 Monthly Climatology for the 20th Century (New et al.)

Data.gov (United States)

National Aeronautics and Space Administration — This is a data set of mean monthly surface climate data over Southern Africa for nearly all of the twentieth century. The data set is gridded at 0.5-degree...

Navigating through technology: technology and the Dutch East India Company VOC in the eighteenth century

NARCIS (Netherlands)

de Jong, Johan

2016-01-01

For almost two centuries, the ships and the crews of the VOC navigated their way between the Dutch Republic and Asia. This could not have been achieved without the technology of ship design and ship building, the technology involved with keeping the crew healthy, and the technology of charting a

Women, work and health between the nineteenth and twentieth centuries from a national and international perspective.

Science.gov (United States)

Salerno, Silvana

2014-11-16

A few years after a series of meetings of Italian scientists were convened prior to the unification of Italy, the first women qualified in medicine and other dedicated women participated in founding a movement for the improvement of living and working conditions of women and children in Italy. analysis of Italian women's contributions in the proceedings of the International Council of Women Congresses and their impact on increasing the number of women's occupational health studies presented at the fourth National Congress on Occupational Diseases held in Rome in 1914. Analysis of the proceedings of the International Council of Women Congresses (Washington, Chicago, London), and of the Women's National Council and other documents so as to obtain a picture of Italian women's working conditions at that time. Women and children worked an excessive number of hours per day, were underpaid, and had a legal status of inferiority. The main work sectors were sewing, embroidery, lace making, ironing, cooking, washing, dressmaking, millinery, fashion design, typing, weaving, artificial flowers, etc. The same sort of work was available to Italian women who emigrated to the United States of America. The success achieved by the women's movement is shown in the paper presented by Irene de Bonis "Occupational diseases among women" and published in the proceedings of the fourth National Congress on Occupational Diseases held in Rome, 9-14 June 1914. The article outlines the main features of the women's movement at the turn of the twentieth century, focussing on their publications describing Italian women's working conditions, considered in an international context. The movement's engagement in the promotion of women's occupational health at international and national level was successful but the First World War was to transform this achievement into the women's peace movement.

A brief history of the changing occupations and demographics of coleopterists from the 18th through the 20th century.

Science.gov (United States)

Elias, Scott A

2014-01-01

Systematic entomology flourished as a branch of Natural History from the 1750s to the end of the nineteenth century. During this interval, the "era of Heroic Entomology," the majority of workers in the field were dedicated amateurs. This article traces the demographic and occupational shifts in entomology through this 150-year interval and into the early twentieth century. The survey is based on entomologists who studied beetles (Coleoptera), and who named sufficient numbers of species to have their own names abbreviated by subsequent taxonomists. In the eighteenth century, 27 entomologists achieved this level of prominence, of whom 37% were academics, 19% were doctors, 11% had private incomes, 19% were clergymen, and 8% were government officials. Many of those with private incomes were members of the European aristocracy, and all but one were European men. The nineteenth century list included 192 entomologists, of whom 17% were academics, 16% were museum curators, 2% were school teachers, 15% were doctors, 6% were military men, 7% were merchants, 2% were government entomologists, 6% had private incomes, 5% were clergymen, 5% were government officials, and 4% were lawyers. The demographics of entomology shifted dramatically in the nineteenth century. Whereas many of the noteworthy entomologists of the eighteenth century were German, Swedish, or French, in the nineteenth century, many more European countries are represented, and almost one-fifth of the noteworthy entomologists were from the United States. The nineteenth century list, like the eighteenth century list, contains no women. By the twentieth century, 63% of 178 noteworthy systematic entomologists were paid professionals, teaching entomology courses in universities, or studying insect taxonomy in museums and government-sponsored laboratories. Only one person on the twentieth century list had a private income, but women (ten individuals) were included on the list for the first time.

SAFARI 2000 Monthly Climatology for the 20th Century (New et al.)

Data.gov (United States)

National Aeronautics and Space Administration — ABSTRACT: This is a data set of mean monthly surface climate data over Southern Africa for nearly all of the twentieth century. The data set is gridded at 0.5-degree...

DEVELOPING THE 21ST-CENTURY SOCIAL STUDIES SKILLS THROUGH TECHNOLOGY INTEGRATION

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Mohammad Imam FARISI

2016-01-01

Full Text Available Recently, technology has become an educational necessity in global-digital era. Facing these phenomena, social studies (SS should make innovations related to changes of 21st-century skills and learning paradigm, which is characterized by the principles of disclosure of information, computing, automation, and communication. Technology integration into SS learning is one of the learning innovations in the global-digital era, and powerfully supports the National Council for Social Studies (NCSS as stated in their visions: meaningful, powerful, value-based, challenging, and active. It also strongly supports the development of three core skills of the 21st-century, including learning and innovation skills; information, media and technology skills; life and career skills that developed in partnership with the Partnership Forum for 21st-Century Skills (P21. This paper examines and describes academics evolution toward a commitment and further developments in research; 21stcentury skills map for the SS; and the implications for developing teachers’ competences and teachers’ education curriculum.

Twenty-first century vaccines

Science.gov (United States)

Rappuoli, Rino

2011-01-01

In the twentieth century, vaccination has been possibly the greatest revolution in health. Together with hygiene and antibiotics, vaccination led to the elimination of many childhood infectious diseases and contributed to the increase in disability-free life expectancy that in Western societies rose from 50 to 78–85 years (Crimmins, E. M. & Finch, C. E. 2006 Proc. Natl Acad. Sci. USA 103, 498–503; Kirkwood, T. B. 2008 Nat. Med 10, 1177–1185). In the twenty-first century, vaccination will be expected to eliminate the remaining childhood infectious diseases, such as meningococcal meningitis, respiratory syncytial virus, group A streptococcus, and will address the health challenges of this century such as those associated with ageing, antibiotic resistance, emerging infectious diseases and poverty. However, for this to happen, we need to increase the public trust in vaccination so that vaccines can be perceived as the best insurance against most diseases across all ages. PMID:21893537

Bible translations into Italian (20th century

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Ryszard Wróbel

2011-09-01

Full Text Available Discussing twentieth-century translations of the Bible into Italian we have to make a crucial distinction: there are different translations and different editions; the latter are more numerous, as the same translation may appear in different forms. For many of them it is difficult to determine to whom they are addressed: some of the features show a broad willingness to promote the content of the Bible, while others make them a tool only for a group of specialists. The article discusses the issue of the Bibles, which were printed in Italy in the twentieth century; there were 27. It deliberately does not include translations and elaborations less prevalent or partial studies for professionals. The information is presented in a tangible and transparent scheme, which facilitates their mutual compatibility. Each description contains the name or title of work, author’s name, place and date of publication, publisher’s name, names of translators, editors, source of translation, editing characteristics, and other observations.

MIGRATION AND CHINESE ENTREPRENEURS IN MAZATLAN. SINCE ARRIVING IN MID- NINETEENTH CENTURY UNTIL THEIR EXPULSION IN 1930

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R. Arturo Román Alarcón

2014-07-01

Full Text Available The Chinese migration to Mazatlan and Mexico, began in the mid-nineteenth century, via San Francisco. They were the most important foreign colony from the early decades of the twentieth century. On arrival the Chinese population lacked capital as largely devoted to provide their services as domestic workers, especially farmers and craft activities related to repairing and making shoes. With the advent of the twentieth century and the accumulation of some capital, began its foray into the retail trade, which was the domain of national merchants. The commercial importance of the Chinese was one of the causes of the hostility of Mexican traders, which coupled with the counter-arguments raised by the Labor Law, Health Code, the culmination of the Treaty with China and the effects of the 1929 crisis, served as sustenance for their expulsion in 1932.

INTELLIGENT NETWORKS, SMART GRIDS CONCEPT, CRUCIAL TECHNOLOGIES FOR SUSTAINABLE DEVELOPMENT

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Constantin RADU

2011-05-01

Full Text Available In this article is presented the concept of smart grids, a very important technology for sustainable development. In the context of globalization of the world lives in an increasingly complex security environment, with rapid changes, some obvious, others less obvious implications in the short, medium or long term, international, national, local and up to every citizen. All countries in the globalized world economy is facing energy problems in terms of climate change have intensified in the twentieth century.

Some aspects of the development of hydrogen power engineering and technology

Energy Technology Data Exchange (ETDEWEB)

Shpil' rayn, E E; Malyshenko, S P

1980-01-01

In the USSR, FRG, United States, Japan, France, Italy and other countries, broad programs of research and development have been adopted in the area of hydrogen power engineering. Broad and multifaceted development of hydrogen power engineering and technology is expected in no earlier than the first quarter of the twenty-first century. However, the rise in prices for liquid and gaseous fuel and the rise in demand for H/sub 2/ of its traditional consumers can make it expedient to develop large-scale production of H/sub 2/ and gradual displacement of natural liquid and gaseous fuels from the processes of oil refining, synthesis of methanol and ammonia, metallurgical production of nuclear fuel and coal even before the end of the twentieth century. A natural system of energy source-production block for obtaining the energy carrier (H/sub 2/) can make it possible in the last quarter of the twentieth century to solve the problems associated with creating large autonomous energy-technological complexes which do not require hydrocarbon fuel for production of energy and products of chemical synthesis, oil refining, metallurgy and others. In this sense, even now the question must be solved of creating energy-technology which uses as the main energy resources nuclear energy and coal, as well as energy-carrier and raw material, H/sub 2/ and artificial fuels on its basis. In addition, development of large energy systems based on nuclear energy and coal as the energy sources and which include different-characteristic and numerous consumers results in the need already in the near future to use artificial fuels based on H/sub 2/ and H/sub 2/ in power engineering as the energy carriers and energy accumulators. This will make it possible to construct a more flexible system adapted to the consumers which does not depend on the type of energy sources.

2. International conference on nuclear technologies of XXI centuries. Abstracts

International Nuclear Information System (INIS)

Yakushev, A.P.

2010-01-01

The collection contains abstracts of the II International conference 'Nuclear technologies of the XXI century' on energy problems in the world, the prospects for nuclear power plant in Belarus, the various technological, technical and economic aspects of nuclear safety of NPP and nuclear reactions and international cooperation. The materials published in electronic form.

FY 2001 Blue Book: Information Technology: The 21st Century Revolution

Data.gov (United States)

Networking and Information Technology Research and Development, Executive Office of the President — At the dawn of the 21st century, the U.S. is enjoying an era of unprecedented possibilities and prosperity built on dramatic advances in science and technology....

Selective Reproductive Technologies

DEFF Research Database (Denmark)

Gammeltoft, Tine; Wahlberg, Ayo

2014-01-01

From a historical perspective, selective reproduction is nothing new. Infanticide, abandonment, and selective neglect of children have a long history, and the widespread deployment of sterilization and forced abortion in the twentieth century has been well documented. Yet in recent decades select......, discussing how selective reproduction engages with issues of long-standing theoretical concern in anthropology, such as politics, kinship, gender, religion, globalization, and inequality....... (ARTs), what we term selective reproductive technologies (SRTs) are of a more specific nature: Rather than aiming to overcome infertility, they are used to prevent or allow the birth of certain kinds of children. This review highlights anthropological research into SRTs in different parts of the world...

A Chronology of Annual-Mean Effective Radii of Stratospheric Aerosols from Volcanic Eruptions During the Twentieth Century as Derived From Ground-based Spectral Extinction Measurements

Science.gov (United States)

Strothers, Richard B.; Hansen, James E. (Technical Monitor)

2001-01-01

Stratospheric extinction can be derived from ground-based spectral photometric observations of the Sun and other stars (as well as from satellite and aircraft measurements, available since 1979), and is found to increase after large volcanic eruptions. This increased extinction shows a characteristic wavelength dependence that gives information about the chemical composition and the effective (or area weighted mean) radius of the particles responsible for it. Known to be tiny aerosols constituted of sulfuric acid in a water solution, the stratospheric particles at midlatitudes exhibit a remarkable uniformity of their column-averaged effective radii r(sub eff) in the first few months after the eruption. Considering the seven largest eruptions of the twentieth century, r(sub eff) at this phase of peak aerosol abundance is approx. 0.3 micrometers in all cases. A year later, r(sub eff) either has remained about the same size (almost certainly in the case of the Katmai eruption of 1912) or has increased to approx. 0.5 micrometers (definitely so for the Pinatubo eruption of 1991). The reasons for this divergence in aerosol growth are unknown.

From the water wheel to turbines and hydroelectricity. Technological evolution and revolutions

Science.gov (United States)

Viollet, Pierre-Louis

2017-08-01

Since its appearance in the first century BC, the water wheel has developed with increasing pre-industrial activities, and has been at the origin of the industrial revolution for metallurgy, textile mills, and paper mills. Since the nineteenth century, the water wheel has become highly efficient. The reaction turbine appeared by 1825, and continued to undergo technological development. The impulsion turbine appeared for high chutes, by 1880. Other turbines for low-head chutes were further designed. Turbine development was associated, after 1890, with the use of hydropower to generate electricity, both for industrial activities, and for the benefits of cities. A model ;one city + one plant; was followed in the twentieth century by more complex and efficient schemes when electrical interconnection developed, together with pumped plants for energy storage.

Causal Relationship Model of the Information and Communication Technology Skill Affect the Technology Acceptance Process in the 21ST Century for Undergraduate Students

Directory of Open Access Journals (Sweden)

Thanyatorn Amornkitpinyo

2015-02-01

Full Text Available The objective of this study is to design a framework for a causal relationship model of the Information and Communication Technology skills that affect the Technology Acceptance Process (TAP for undergraduate students in the 21ST Century. This research uses correlational analysis. A consideration of the research methodology is divided into two sections. The first section involves a synthesis concept framework for process acceptance of the causal relationship model of the Information and Communication Technology skills that affect the Technology Acceptance Process for undergraduate students in the 21ST Century. The second section proposes the design concept framework of the model. The research findings are as follows: 1 The exogenous latent variables included in the causal relationship model of the Information and Communication Technology skills that affect the Technology Acceptance Process for undergraduate students in the 21ST Century are basic ICT skills and self-efficacy. 2 The mediating latent variables of the causal relationship model of the Information and Communication Technology skills that affect the Technology Acceptance Process for undergraduate students in the 21ST Century are from the TAM Model, these includes three components: 1 perceived usefulness, 2 perceived ease of use and 3 attitudes. 3 The outcome latent variable of the causal relationship model of the Information and Communication Technology skills that affect the Technology Acceptance Process for undergraduate students in the 21ST Century is behavioural intention.

The Falkland Islands War: An Image of War in the 21st Century

National Research Council Canada - National Science Library

Allard, J

1997-01-01

.... By any reckoning, it was a war that should never have been fought. It was a war unlike any other war in the twentieth century, and since 1945 it was the first war to erupt outside the construct of the Cold War paradigm...

Anti-gravity: The key to 21st century physics

International Nuclear Information System (INIS)

Noyes, H.P.

1993-01-01

The masses coupling constants and cosmological parameters obtained using our discrete and combinatorial physics based on discrimination between bit-strings indicate that we can achieve the unification of quantum mechanics with relativity which had become the goal of twentieth century physics. To broaden our case we show that limitations on measurement of the position and velocity of an individual massive particle observed in a colliding beam scattering experiment imply real, rational commutation relations between position and velocity. Prior to this limit being pushed down to quantum effects, the lower bound is set by the available technology, but is otherwise scale invariant. Replacing force by force per unit mass and force per unit charge allows us to take over the Feynman-Dyson proof of the Maxwell Equations and extend it to weak gravity. The crossing symmetry of the individual scattering processes when one or more particles are replaced by anti-particles predicts both Coulomb attraction (for charged particles) and a Newtonian repulsion between any particle and its anti-particle. Previous quantum results remain intact, and predict the expected relativistic fine structure and spin dependencies. Experimental confirmation of this anti-gravity prediction would inaugurate the physics of the twenty-first century

Religion or Citizenship? Beyond the Binary; Lessons after a Century of Disagreement

Science.gov (United States)

Caride, Ezequiel Gomez

2018-01-01

This article describes how different approaches to religion (institutional and cultural) lead to startlingly different conclusions when analyzing how religion shapes the republican citizen. Through a genealogical discourse analysis, I examine educational reports issued by Argentinean authorities in the early twentieth century that made the Jew out…

Physics in the twentieth century. A selection of papers

International Nuclear Information System (INIS)

Weisskopf, V.F.

1974-01-01

A number of papers from Victor F. Weisskopf have been collected in this book. The papers included in the first part are dealing with basic concepts in quantum mechanics. Particle-wave duality, quantum scale, and the Niels Bohr works. Papers in the second part describe the recent developments in the physics field during the 20th century: the electron theory, compound nucleus, nuclear structure, and quantum theory of elementary particles. The third part is concerned with peculiar cases: nuclear models, the Lorentz relativistic contraction, light-matter interaction, parity decay, and symmetry. In the fourth part are gathered papers on sciences in general, for which they present a sort of natural philosophy [fr

Ernst C.G. Stueckelberg an unconventional figure of twentieth century physics

CERN Document Server

Ruegg, Henri; Wanders, Gérard

2008-01-01

Born in 1905, Ernst C G Stueckelberg was professor of theoretical physics at the Universities of Geneva and Lausanne in the years 1930-1970. He was one of the most eminent Swiss physicists of the 20th century. This book presents a selection of his most important scientific papers

Management Education Principles, Information and Communication Technologies and Sustainable Development in Nigeria

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Richard INGWE

2013-03-01

Full Text Available The convergence of information technology (IT with those dedicated to communication to create information and communication technologies (ICTs in the recent centuries and decades has encouraged the application of innovations of technological, social and institutional forms to facilitate socio-economic and ecological development by nations – a process that started with the attainment of Industrial Revolution by Britain between the eighteenth and twentieth centuries. This paper examines the relevance of ICTs for management education principles and socio-economic development in Nigeria. Issues described here include: context for development, management education in Nigeria –including enrolments in business management/administration; global applications of ICTs for development and education. It is recommended that to optimize ICTs applications to achieve principles of responsible management education for attaining the goals of sustainable development within dynamic global/national environments, Nigeria’s government must adapt and implement some of the good practices in the ICT4Education programmes that have been implemented in some countries around the world.

Marketing and 21 st Century Technological Challenges: The Need ...

African Journals Online (AJOL)

Marketing and 21 st Century Technological Challenges: The Need for Curricula Review. ... Journal of Research in National Development ... Marketing had over the years served the dominant function of bridging the gap between production and consumption through a conceptualized, well structured programme of academic ...

Developing the 21st-Century Social Studies Skills through Technology Integration

Science.gov (United States)

Farisi, Mohammad Imam

2016-01-01

Recently, technology has become an educational necessity in global-digital era. Facing these phenomena, social studies (SS) should make innovations related to changes of 21st-century skills and learning paradigm, which is characterized by the principles of disclosure of information, computing, automation, and communication. Technology integration…

The European Metropolis in the late Twentieth Century: Winners and Losers

NARCIS (Netherlands)

P. Clark (Peter)

2003-01-01

textabstractThis paper offers a commentary on some of the recent work on globalisation in the context of the European city in the late 20th century. It points out that the current European urban hierarchy has a strong historical dimension. It notes the considerable degree of convergence in the

Empiricism and Rationalism in Nineteenth-Century Histories of Philosophy.

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Vanzo, Alberto

2016-01-01

This paper traces the ancestry of a familiar historiographical narrative, according to which early modern philosophy was marked by the development of empiricism, rationalism, and their synthesis by Kant. It is often claimed that this narrative became standard in the nineteenth century because of the influence of Thomas Reid, Kant and his disciples, or German and British idealists. I argue that the narrative became standard at the turn of the twentieth century. Among the factors that allowed it to become standard are its aptness to be adopted by philosophers of the most diverse persuasions, its simplicity and suitability for teaching.

Museums theme – Science vs technology in a museum’s display: changes in the Vienna Museum of Technology with a focus on permanent and temporary exhibitions and new forms of science education

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Peter Donhauser

2017-11-01

Full Text Available This paper locates the development of a science and technology museum within the history of the predominantly object-based Vienna Museum, which was founded early in the twentieth century. It portrays interactive engagement with young people in terms of its continuity with the aim of popularising science, which had been a founding principle of the museum. At the same time, this paper examines the way in which the rise of interactivity represented a radical shift from an emphasis on technology itself towards a focus upon scientific principles, a phenomenon which in turn had an influence upon enquiry-based learning.

Wiittgensteins's contributions to a Philosophical reflection on technology

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Geraldo Dôres Armendane

2016-12-01

Full Text Available This article examines Wittgenstein’s cultural pessimism on the progress of Western techno-scientific civilization in the first half of the twentieth century, as well as the contributions of the Austrian thinker for a philosophical reflection on technology. We will also show that Wittgenstein’s philosophical position was based on a deep and intense activity of thought and language. The text is divided on in three parts: the first shows Wittgenstein’s cultural pessimism on the technological civilization progress; the second shows Wittgenstein's relationship with science and his strong opposition to the scientist ideology; the third presents Wittgenstein’s conception of philosophy therapy including for the uses of technological civilization. Finally, we conclude by showing that Wittgenstein's philosophy avoids the use of the "ladder" dealing with problems in the contemporary world.

Radiation processing technology in the 21st century

International Nuclear Information System (INIS)

Miyuki Hagiwara

1997-01-01

The address discusses the following issue - towards the 21st century, we are required more and more to create innovative technologies to solve problems about environment, energy, natural resources, materials, health care, food and others which are the great concern to human beings. For the radiation processing technology to survive, it will be required to provide answers to those problems. The use of radiation of polymer modification will remain as an important field of the radiation application. Some other promising polymer processing can be cited as those which will grow in near future; for environment technology - polymeric fibers grafted with ion exchange residues to remove toxic metals for cleaning industrial waste water; For health care technology - crosslinked polyvinylalcohol hydrogel for wound dressing (irradiation of hydrogel); For high performance materials technology - less toxic crosslinked natural rubber latex (irradiation of emulsion), abrasion resistant crosslinked PTFE (irradiation at high temperature)

Experiments in Reconstructing Twentieth-Century Sea Levels

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Ray, Richard D.; Douglas, Bruce C.

2011-01-01

One approach to reconstructing historical sea level from the relatively sparse tide-gauge network is to employ Empirical Orthogonal Functions (EOFs) as interpolatory spatial basis functions. The EOFs are determined from independent global data, generally sea-surface heights from either satellite altimetry or a numerical ocean model. The problem is revisited here for sea level since 1900. A new approach to handling the tide-gauge datum problem by direct solution offers possible advantages over the method of integrating sea-level differences, with the potential of eventually adjusting datums into the global terrestrial reference frame. The resulting time series of global mean sea levels appears fairly insensitive to the adopted set of EOFs. In contrast, charts of regional sea level anomalies and trends are very sensitive to the adopted set of EOFs, especially for the sparser network of gauges in the early 20th century. The reconstructions appear especially suspect before 1950 in the tropical Pacific. While this limits some applications of the sea-level reconstructions, the sensitivity does appear adequately captured by formal uncertainties. All our solutions show regional trends over the past five decades to be fairly uniform throughout the global ocean, in contrast to trends observed over the shorter altimeter era. Consistent with several previous estimates, the global sea-level rise since 1900 is 1.70 +/- 0.26 mm/yr. The global trend since 1995 exceeds 3 mm/yr which is consistent with altimeter measurements, but this large trend was possibly also reached between 1935 and 1950.

Biofuels and bioenergy: processes and technologies

National Research Council Canada - National Science Library

Lee, Sunggyu; Shah, Yatish T

2013-01-01

... since the early twentieth century. Up until recently, however, development interest in biofuels had lessened due to the availability of relatively inexpensive fossil energy resources as well as the handling and transportation...

Native Sons: A Critical Study of Twentieth-Century Negro American Authors.

Science.gov (United States)

Margolies, Edward

This analysis of 20th-century Negro literature contains chapters discussing 16 authors: (1) "The First Forty Years: 1900-1940," including W. E. B. DuBois, Charles W. Chesnutt, James W. Johnson, Paul L. Dunbar, Langston Hughes, Jean Toomer, Claude McKay, and Countee Cullen; (2) "Migration: William Attaway and 'Blood on the Forge'"; (3) "Richard…

Careers of men and women in the 19th and 20th centuries

NARCIS (Netherlands)

Schulz, W.|info:eu-repo/dai/nl/313807922

2013-01-01

This thesis studies the process of status attainment during the careers of men and women in the nineteenth and early twentieth centuries and the influence of modernization processes on that process of status attainment. During the decades following World War II, the Western world saw an increasing

Penélopes do século XX: a cultura popular revisitada Twentieth-century Penelopes: popular culture revisited

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Cleci Eulalia Favaro

2010-01-01

Full Text Available No processo de ocupação das chamadas Velhas Colônias italianas do Rio Grande do Sul, os imigrantes construíram um corpo de valores positivos, destinado a servir de suporte emocional e veículo de comunicação externa. Por meio do bordado de imagens e inscrições sobre panos de parede ou panos de cozinha em tecidos rústicos, as mulheres contribuíram para alimentar o sonho de uma vida melhor. Desejo de todos, realização de alguns, as penélopes do século XX deixaram naqueles objetos testemunhos de um modo de fazer, pensar e agir: museus locais e exposições estimulam o resgate de antigas técnicas e temas de bordado; os produtos, comercializados nas feiras e festas regionais, convertem-se em renda para mulheres excluídas, pela idade, do mercado de trabalho formal.During their settlement of the so-called Old Italian Colonies of Rio Grande do Sul, immigrants constructed a set of positive values that were to serve as an emotional support and a means of outside communication. When women immigrants embroidered images and sayings on wall hangings or kitchen towels made of rustic fabric, they helped nourish the dream of a better life, sought by all and achieved by some. The objects crafted by these twentieth-century Penelopes bear witness to a way of doing, thinking, and acting. Local museums and exhibits have fostered the recovery of old-time embroidery techniques and themes; sold at open-air markets and regional festivals, these products represent income for women whose age excludes them from the formal labor market.

The Carnegie Unit: A Century-Old Standard in a Changing Education Landscape

Science.gov (United States)

Silva, Elena; White, Taylor; Toch, Thomas

2015-01-01

Early in the twentieth century, the industrialist Andrew Carnegie established the Carnegie Foundation for the Advancement of Teaching to create a pension system for the nation's college professors. The introduction of this pension system proved an ingenious educational reform. At the time, American higher education was a largely ill-defined…

Onwards facing backwards: the rhetoric of science in nineteenth-century Greece.

Science.gov (United States)

Tampakis, Kostas

2014-06-01

The aim of this paper is to show how the Greek men of science negotiated a role for their enterprise within the Greek public sphere, from the institution of the modern Greek state in the early 1830s to the first decades of the twentieth century. By focusing on instances where they appeared in public in their official capacity as scientific experts, I describe the rhetorical schemata and the narrative strategies with which Greek science experts engaged the discourses prevalent in nineteenth- and early twentieth-century Greece. In the end, my goal is to show how they were neither zealots of modernization nor neutral actors struggling in isolated wastelands. Rather, they appear as energetic agents who used scientific expertise, national ideals and their privileged cultural positions to construct a rhetoric that would further all three. They engaged eagerly and consistently with emerging political views, scientific subjects and cultural and political events, without presenting themselves, or being seen, as doing anything qualitatively different from their peers abroad. Greek scientists cross-contextualized the scientific enterprise, situating it in the space in which they were active.

One hundred years of alcoholism: the Twentieth Century.

Science.gov (United States)

Mann, K; Hermann, D; Heinz, A

2000-01-01

The past 100 years witnessed the formation of a disease concept of alcoholism and a rapid increase in the knowledge of its aetiopathology and treatment options. In the first half of the century, public sanctions aimed at the abolition of alcoholism. In the United States, alcohol prohibition was revoked in the economic turmoil of the Great Depression. In Germany, proposed medical procedures to reduce the fertility of alcoholics had catastrophic consequences during the fascist dictatorship. A revived focus on alcoholics as patients with a right to medical treatment came out of self-organized groups, such as Alcoholics Anonymous. The current disease concept includes the psychosocial and neurobiological foundations and consequences of alcoholism. Neurobiological research points to the dispositional factor of monoaminergic dysfunction and indicates that neuroadaptation and sensitization may play a role in the maintenance of addictive behaviour. New treatment options include pharmacological approaches and indicate that behaviour and motivational therapy and the attendance of patient groups may equally reduce the relapse risk. The task of the future will be to apply scientific discoveries in the best interest of the patients and to support their efforts to be respected like subjects suffering from other diseases.

Architectonic context and technological implements for Teodoro Ansagasti’s Monumental Cinema

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A. Lavilla

2017-06-01

Full Text Available Overcoming the economical crisis that Spain suffered in the twentieth century allowed to build more edifices and made possible to follow the concepts of modern European movement. Cinemas were one of the best examples of this attempt of modernity. There are few examples of real quality architecture, and majority of them were built in Madrid or Barcelona. In this context, one of that years’ greatest works has to be put in value: Teodoro Anasagasti’s Monumental Cinema, providing additional architectonic and technological data to the existing historiography.

Managing threats from emerging technologies: can safeguards show the way?

International Nuclear Information System (INIS)

Leffer, Teri N.

2014-01-01

The system of international nuclear safeguards implemented by the International Atomic Energy Agency (IAEA) is primarily a means of verification of states’ commitments under various legal instruments, principally the Nuclear Non‑Proliferation Treaty (NPT), to utilize controlled nuclear fission for peaceful purposes only. However, the safeguards system can also be seen as a mechanism through which states acted to reduce the threat posed by a new technology that had a transformative impact on existing national security paradigms when it emerged in the twentieth century. In the twenty‑first century, new technologies with equally profound national security implications are emerging. These include biotechnology and synthetic biology, nano technology, information technology, cognitive science, robotics and artificial intelligence. Throughout its history, the safeguards system has evolved to accommodate new technologies, new undertakings and new threats. Because multiple emerging technologies now constitute potential national security threats, it is appropriate to consider whether and how the lessons and successes of the safeguards system, including its capacity to evolve in response to changing requirements, could be leveraged to mitigate the threat posed by these new technologies. This paper addresses the possibility of re‑imagining safeguards in a way that makes them applicable to a broader range of technology‑based threats without compromising their effectiveness for their original purpose.

The cultural policy in Italy and the innovations of the XXI century

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Olimpia Niglio

2016-05-01

Full Text Available The paper analyzes the development of the first experiences of the sixteenth century cultural policy in Italy until the beginning of the twenty-first century with the institutional reform initiated by the Minister Dario Franceschini. In the pre-unification State it has been many important contributions of several local rulers who imposed conservation policies to prevent the dispersal of works of art. After the unification of Italy (1861 the laws of protection of the national heritage have helped to initiate the first important initiatives that have developed in practice only at the end of the twentieth century. Great institutional innovations and regulatory activated in the twenty-first century and of which this paper provides some important insights and deepening.

Science, technology, engineering, mathematics (STEM) as mathematics learning approach in 21st century

Science.gov (United States)

Milaturrahmah, Naila; Mardiyana, Pramudya, Ikrar

2017-08-01

This 21st century demands competent human resources in science, technology, engineering design and mathematics so that education is expected to integrate the four disciplines. This paper aims to describe the importance of STEM as mathematics learning approach in Indonesia in the 21st century. This paper uses a descriptive analysis research method, and the method reveals that STEM education growing in developed countries today can be a framework for innovation mathematics in Indonesia in the 21st century. STEM education integrate understanding of science, math skills, and the available technology with the ability to perform engineering design process. Implementation of mathematics learning with STEM approach makes graduates trained in using of mathematics knowledge that they have to create innovative products that are able to solve the problems that exist in society.

The adolescence of a thirteenth-century visionary nun.

Science.gov (United States)

Kroll, J; De Ganck, R

1986-11-01

Among the most notable features of the religious revival in western Europe in the early thirteenth century was the development of mysticism among the nuns and religious women of the lowlands. As scholarly attention becomes increasingly focused on this group of remarkable women, the question arises whether a psychiatric viewpoint has something of value to offer to the understanding of such individuals and the culture in which they struggled. The methodological and intellectual problems inherent in examining the life of a thirteenth-century mystic with a twentieth-century empirical frame of reference are illustrated in this study of the adolescence of Beatrice of Nazareth. Beatrice's stormy asceticism, ecstatic states and mood swings lend themselves to potentially competing hypotheses regarding the spiritual and psychopathological significance of her adolescent development and eventual life-course. Common grounds for reconciling these alternative models are discussed.

A century of wind tunnels since Eiffel

Science.gov (United States)

Chanetz, Bruno

2017-08-01

Fly higher, faster, preserve the life of test pilots and passengers, many challenges faced by man since the dawn of the twentieth century, with aviation pioneers. Contemporary of the first aerial exploits, wind tunnels, artificially recreating conditions encountered during the flight, have powerfully contributed to the progress of aeronautics. But the use of wind tunnels is not limited to aviation. The research for better performance, coupled with concern for energy saving, encourages manufacturers of ground vehicles to perform aerodynamic tests. Buildings and bridge structures are also concerned. This article deals principally with the wind tunnels built at ONERA during the last century. Somme wind tunnels outside ONERA, even outside France, are also evocated when their characteristics do not exist at ONERA.

Energy, environment and technological innovation

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Fernando José Pereira da Costa

2015-08-01

Full Text Available The development problems can not be addressed without taking account of the environmental and energy issues, as well as the intimate relationship and the intense interaction between the two. In fact, the energy issue can not be analyzed separately from environmental issues, nor the advances in technological innovation, integrating dynamic-systemic way and so positioning address the issue of the development model to set the bulge the transition process experienced by the world since the seventies of the twentieth century. This transition, in turn, implies the passage of Paradigm of Fossil Fuels to Renewable Energy also called the Paradigm of renewable sources of energy, not just holding the energy problem, but towards to environmental and technological components. It is within this relatively slow and long process, instigator of high levels of volatility, turbulence inducing and motor of technological innovation, which is (re raises the question of the development model that defines how a new model/style development.

"One hundred percent efficiency": Technology and the pursuit of scientific literacy

Science.gov (United States)

King, Kenneth Paul

This dissertation examined the role of technology in science education during the twentieth century. A historical approach was taken to examine teacher practices in the use of technology. The three technologies considered in this study were the motion picture, the television, and the computer. As an organizing principle, historical definitions of "scientific literacy" were used to examine the goals of using technology within science education. The evolution of the concept of science literacy is traced from the early part of the twentieth century to the late 1990s. Documentation examined revealed the "best practices" associated with the use of technology. The use of the motion picture was traced from the silent film through film loops, videotape, videodisc and the advent of the digital video disc, and the means by which teachers used this technology were considered. The instructional use of television was examined from several different approaches: commercial broadcasts, educational and instructional programming, closed circuit approaches and the use of cable and satellite programming. The manner in which these approaches were used to achieve goals of scientific literacy was considered. The use of the computer was examined in terms of the purpose of the software involved. Teaching practice to achieve scientific literacy, using computers as a means of accessing information, as an analytical tool, as a creativity tool, and as a means of communication were addressed. In each of these technologies, similar implementation trends were present within each one. The literature supporting the use of the technology described first the focus on the hardware, followed by the development of appropriate pedagogy, and then by the proliferation of software supporting the use of the technology. Suggestions for additional study were offered as well as speculation as to future practices with technology in science teaching. Investigations using expectation-value theory suggest

Twenty-first century learning in schools: A case study of New Technology High School in Napa, California.

Science.gov (United States)

Pearlman, Bob

2006-01-01

The most pertinent question concerning teaching and learning in the twenty-first century is not what knowledge and skills students need--that laundry list was identified over a decade ago--but rather how to foster twenty-first century learning. What curricula, experiences, assessments, environments, and technology best support twenty-first century learning? New Technology High School (NTHS) in Napa, California, is one example of a successful twenty-first century school. In this chapter, the author describes the components of this exemplary high school, illustrating an environment that will cultivate twenty-first century student learning. New Technology High School began by defining eight learning outcomes, aligned with the standards of the Partnership for 21st Century Skills; to graduate, students demonstrate mastery of these outcomes through an online portfolio. To help students achieve the outcomes, NTHS employs project- and problem-based learning. Whereas in traditional classrooms students work alone on short-term assignments that do not lend themselves to deep understanding, the project-based learning approach has students working in teams on long-term, in-depth, rigorous projects. Students' work is supported by the school's workplace-like environment and effectiv use of technology. Meaningful assessment is essential to project-based learning; students receive continuous feedback, helping them become self-directed learners. In fact, NTHS uses outcome-based grading through which students constantly know how they are performing on the twenty-first century outcomes. Research has shown that NTHS graduates are better prepared for postsecondary education, careers, and citizenship than their peers from other schools. To facilitate twenty-first century learning, all schools need to rethink their approach to teaching and learning. New Technology High School is one way to do so.

If All the World Were Chicago: American Education in the Twentieth Century.

Science.gov (United States)

Lazerson, Marvin

1984-01-01

Four sets of issues as they relate to the city of Chicago during the late 19th and early 20th centuries are examined: race and the liberal agenda, the role of academics in public policy, the organization of teachers, and the ambiguities of progressive policy. (RM)

Faunal isotope records reveal trophic and nutrient dynamics in twentieth century Yellowstone grasslands.

Science.gov (United States)

Fox-Dobbs, Kena; Nelson, Abigail A; Koch, Paul L; Leonard, Jennifer A

2012-10-23

Population sizes and movement patterns of ungulate grazers and their predators have fluctuated dramatically over the past few centuries, largely owing to overharvesting, land-use change and historic management. We used δ(13)C and δ(15)N values measured from bone collagen of historic and recent gray wolves and their potential primary prey from Yellowstone National Park to gain insight into the trophic dynamics and nutrient conditions of historic and modern grasslands. The diet of reintroduced wolves closely parallels that of the historic population. We suggest that a significant shift in faunal δ(15)N values over the past century reflects impacts of anthropogenic environmental changes on grassland ecosystems, including grazer-mediated shifts in grassland nitrogen cycle processes.

The rise of alternative bread leavening technologies in the nineteenth century.

Science.gov (United States)

Cobbold, Carolyn Ann

2018-01-01

This article reveals how nineteenth-century chemists and health reformers tried to eradicate the use of yeast in bread, claiming they had devised healthier and more sanitary ways to raise bread. It describes the alternative technological solutions to baking bread, investigating factors that influenced their development and adaptation in the marketplace. A lack of scientific and cultural consensus surrounding yeast, what it was and what it did, fermented during this period. The conflict over yeast helped create a heterogeneous industrialization of the baking industry, changing processes and ingredients and creating new forms of bakery products. By examining the claims of promoters of rival scientific beliefs and technologies, as well as those of users and social commentators, we can see that technology's eventual adaptation and impact on society is not predictable at its outset. Exploring the relationship between differing scientific beliefs, cultural understandings and alternative technologies also shows how science and industry cannot be isolated from their social and cultural context. The examination of the nineteenth-century technological development of commonplace commodities such as bread, baking powder and yeast, also reveals and explores a story that has not been told before in the history of science and technology. Why it has not been told is as enlightening as the story itself, revealing as it does our own privileging of what is important in science and history.

French engineers and social thought, 18–20th centuries: An archeology of technocratic ideals.

OpenAIRE

Picon, Antoine

2007-01-01

During the second half of the twentieth century, at the time of the foundation of the Fifth Republic, French engineers endorsed enthusiastically technocratic ideals. Their attitude was not only the product of a specific context. It was rooted in a long tradition of connection between French engineering and social preoccupations. This connection emerged at the time of the creation of the first corps of State engineers in the seventeenth and eighteenth centuries. Indeed, State engineers were fr...

LANDMARKS IN THE EVOLUTION OF THE SOCIAL RESPONSIBILITY OF ORGANIZATIONS IN THE TWENTIETH CENTURY

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SORIN-GEORGE TOMA

2011-04-01

Full Text Available The social responsibility of organizations concept has become the subject of considerable researches, debates and commentaries especially in the second half of the last century. According to ethical principles organizations and individuals have the obligation to act in the benefit of society at large. Consequently, the social responsibility of a business is related to its duties and obligations directed towards the social welfare. The role of corporations in society and the issue of corporate social responsibility have been increasingly debated in the last century. Based on a literature review our paper seeks to describe and summarize some of the main contributions to the development of the social responsibility of organizations. The aims of our paper are to explore the evolution of the social responsibility of organization concept in the last century and to emphasize its various approaches, mostly in the business field. This historical trace identifies both similarities and differences related to social responsibility themes.

Transformation and Regulation: A Century of Continuity in Nursery School and Welfare Policy Rhetoric

Science.gov (United States)

Read, Jane

2015-01-01

This article explores policy development for under-fives and its implementation in nursery schools in the first two decades of the twentieth century and draws parallels with current policy initiatives such as Sure Start and the "Troubled Families" programme. It interrogates how discourse on British racial health shaped policy and…

Využívání médií a digitálních technologií ve vzdělávání se zaměřením na učitele ZŠ MČ Praha 7

OpenAIRE

Novák, Jakub

2016-01-01

The end of the twentieth century is the beginning of significant development in the area of digital technologies. Modern technologies make our everyday life easier, they enable us to work more effectively, and they are a source of fun for all the age groups. Modern technologies have a great impact on us and our environment and thus they deserve our attention. Children, who are in everyday contact with modern technologies since the day they were born, are an especially sensitive group exposed ...

FY 1998 Blue Book: Computing, Information, and Communications: Technologies for the 21st Century

Data.gov (United States)

Networking and Information Technology Research and Development, Executive Office of the President — As the 21st century approaches, the rapid convergence of computing, communications, and information technology promises unprecedented opportunities for scientific...

Unwelcome Stranger to the System: Vocational Education in Early Twentieth-Century China

Science.gov (United States)

Schulte, Barbara

2013-01-01

Both in China and internationally, educators and policy makers claim that vocational education and training (VET) is essential for the sound economic development of a country and the physical and social well-being of its population. However, China looks back upon a century-long history of rejection when it comes to popularising VET, despite…

PLAYS BY BORIS ZAYTSEV IN RUSSIAN DRAMA OF THE EARLY TWENTIETH CENTURY

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Nikolay I. Sobolev

2015-11-01

Full Text Available Th e beginning of the 20th century is the heyday of Russian dramatic art. Moscow and St.  Petersburg became a  meeting place for a  considerable amount of  artistic talent that allowed, based on  the preceding theatrical tradition,creating outstanding works of theatrical art. Th e distinguishing feature of the poetics of the new Russian drama was plot collision, that does not derive from external events but from intentionally occasional, impulsive emotional movements of  the characters. Th e article reviews dramas of Boris Zaytsev, written in the fi rst half of the 20th century. For the plays of that period is typical impressionism, associative composition, weakness of  the plot. Th eir content is characterized by tense psychologism, the dynamics of emotional experience and philosophizing. Key themes developed in dramas become the theme of redemption by love, search for spiritual wholeness and overcoming of existential confl ict the heroes are faced with

Historicizing “Korean Criminality”: Colonial Criminality in Twentieth Century Japan

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Joel Matthews

2017-02-01

Full Text Available In the context of Japanese colonialism, this article examines the discourse of colonial criminality that came to epistemologically position the Korean colonial subject as criminal and therefore necessitating domination, surveillance and punishment. The discourse of colonial criminality stemmed from Japan's late nineteenth century epistemological commitment to imperialism and concomitant knowledge of law and the legality of colonial subjects. Through an analysis that historicizes the “criminal Korean” (futei senjin epithet in the prewar and the emergence of yami as a signifier of Korean economic criminality throughout the 1940s, this article illustrates how the racialization of Koreans in Japan was both framed in terms of crime and subversion, and how that criminality functioned as a justification for postcolonial legalized exclusion and discrimination.

The Return of "Patrimonial Capitalism": A Review of Thomas Piketty's Capital in the Twenty-First Century

OpenAIRE

Branko Milanovic

2014-01-01

Capital in the Twenty-First Century by Thomas Piketty provides a unified theory of the functioning of the capitalist economy by linking theories of economic growth and functional and personal income distributions. It argues, based on the long-run historical data series, that the forces of economic divergence (including rising income inequality) tend to dominate in capitalism. It regards the twentieth century as an exception to this rule and proposes policies that would make capitalism sustain...

Infusing Creativity and Technology in 21st Century Education: A Systemic View for Change

Science.gov (United States)

Henriksen, Danah; Mishra, Punya; Fisser, Petra

2016-01-01

In this article, we explore creativity alongside educational technology, as fundamental constructs of 21st century education. Creativity has become increasingly important, as one of the most important and noted skills for success in the 21st century. We offer a definition of creativity; and draw upon a systems model of creativity, to suggest…

The Meaning of the Global City: Jacques Ellul's Continued Relevance to 21st-Century Urbanism

Science.gov (United States)

Toly, Noah

2012-01-01

Jacques Ellul's book, "The Meaning of the City," widely recognized as one of the most important twentieth century theological reflections on the city, was also one of his most controversial scholarly contributions. Many urbanists interpreted the book as demeaning the city and diminishing the importance of urban policy, planning, design,…

Income distribution dynamics in the Netherlands in the 20th century: long-run developments and cyclical properties

NARCIS (Netherlands)

Afman, E.

2005-01-01

This paper contributes to the evidence on the distribution of income in the Netherlands by constructing decile and quintile income shares for gross- and for disposable income covering almost the entire twentieth century. It suggests some interpretations of the general trends, while the cyclical

Haphazard Reality Half a Century of Science

CERN Document Server

Casimir, HBG

2010-01-01

Casimir, himself a famous physician, studied and worked with three great physicists of the twentieth century: Niels Bohr, Wolfgang Pauli and Paul Ehrenfest. In his autobiography, the brilliant theoretician lets the reader witness the revolution that led to quantum physics, whose influence on modern society turned out to be many times larger than the first atomic physicists could have imagined. Through his involvement in the technical-scientific and the business aspects of physics, through management positions at Philips Research Laboratory and as a member of the Board of Directors of Philips,

Cyberbullying and Sexting: Technology Abuses of the 21st Century

Science.gov (United States)

Siegle, Del

2010-01-01

Many young people cannot remember a time before Instant Messaging (IM), cell phone text messaging, video conferencing, blogging, e-mailing, and MySpace and Facebook postings existed. Thanks to the ubiquitous nature of technology in the 21st century, digital natives are accustomed to seeing, and being seen, on a scale that was unimaginable by their…

New technology in dietary assessment: a review of digital methods in improving food record accuracy.

Science.gov (United States)

Stumbo, Phyllis J

2013-02-01

Methods for conducting dietary assessment in the United States date back to the early twentieth century. Methods of assessment encompassed dietary records, written and spoken dietary recalls, FFQ using pencil and paper and more recently computer and internet applications. Emerging innovations involve camera and mobile telephone technology to capture food and meal images. This paper describes six projects sponsored by the United States National Institutes of Health that use digital methods to improve food records and two mobile phone applications using crowdsourcing. The techniques under development show promise for improving accuracy of food records.

Science Teacher Education in the Twenty-First Century: a Pedagogical Framework for Technology-Integrated Social Constructivism

Science.gov (United States)

Barak, Miri

2017-04-01

Changes in our global world have shifted the skill demands from acquisition of structured knowledge to mastery of skills, often referred to as twenty-first century competencies. Given these changes, a sequential explanatory mixed methods study was undertaken to (a) examine predominant instructional methods and technologies used by teacher educators, (b) identify attributes for learning and teaching in the twenty-first century, and (c) develop a pedagogical framework for promoting meaningful usage of advanced technologies. Quantitative and qualitative data were collected via an online survey, personal interviews, and written reflections with science teacher educators and student teachers. Findings indicated that teacher educators do not provide sufficient models for the promotion of reform-based practice via web 2.0 environments, such as Wikis, blogs, social networks, or other cloud technologies. Findings also indicated four attributes for teaching and learning in the twenty-first century: (a) adapting to frequent changes and uncertain situations, (b) collaborating and communicating in decentralized environments, (c) generating data and managing information, and (d) releasing control by encouraging exploration. Guided by social constructivist paradigms and twenty-first century teaching attributes, this study suggests a pedagogical framework for fostering meaningful usage of advanced technologies in science teacher education courses.

Analysis of the projected regional sea-ice changes in the Southern Ocean during the twenty-first century

Energy Technology Data Exchange (ETDEWEB)

Lefebvre, W.; Goosse, H. [Universite Catholique de Louvain, Institut d' Astronomie et de Geophysique Georges Lemaitre, Louvain-la-Neuve (Belgium)

2008-01-15

Using the set of simulations performed with atmosphere-ocean general circulation models (AOGCMs) for the Fourth Assessment Report of the Intergovernmental Panel on Climate Change (IPCC AR4), the projected regional distribution of sea ice for the twenty-first century has been investigated. Averaged over all those model simulations, the current climate is reasonably well reproduced. However, this averaging procedure hides the errors from individual models. Over the twentieth century, the multimodel average simulates a larger sea-ice concentration decrease around the Antarctic Peninsula compared to other regions, which is in qualitative agreement with observations. This is likely related to the positive trend in the Southern Annular Mode (SAM) index over the twentieth century, in both observations and in the multimodel average. Despite the simulated positive future trend in SAM, such a regional feature around the Antarctic Peninsula is absent in the projected sea-ice change for the end of the twenty-first century. The maximum decrease is indeed located over the central Weddell Sea and the Amundsen-Bellingshausen Seas. In most models, changes in the oceanic currents could play a role in the regional distribution of the sea ice, especially in the Ross Sea, where stronger southward currents could be responsible for a smaller sea-ice decrease during the twenty-first century. Finally, changes in the mixed layer depth can be found in some models, inducing locally strong changes in the sea-ice concentration. (orig.)

Avalanche related damage potential - changes of persons and mobile values since the mid-twentieth century, case study Galtür

Science.gov (United States)

Keiler, M.; Zischg, A.; Fuchs, S.; Hama, M.; Stötter, J.

2005-01-01

When determining risk related to natural hazard processes, many studies neglect the investigations of the damage potential or are limited to the assessment of immobile values like buildings. However, persons as well as mobile values form an essential part of the damage potential. Knowledge of the maximum number of exposed persons in an endangered area is of great importance for elaborating evacuation plans and immediate measures in case of catastrophes. In addition, motor vehicles can also be highly damaged, as was shown by the analysis of avalanche events. With the removal of mobile values in time as a preventive measure this kind of damage can be minimised. This study presents a method for recording the maximum number of exposed persons and monetarily assessing motor vehicles in the municipality of Galtür (Tyrol, Austria). Moreover, general developments of the damage potential due to significant socio-economic changes since the mid-twentieth century are pointed out in the study area. The present situation of the maximum number of persons and mobile values in the official avalanche hazard zones of the municipality is described in detail. Information on the number of persons is derived of census data, tourism and employment statistics. During the winter months, a significant increase overlaid by strong short-term fluctuation in the number of persons can be noted. These changes result from a higher demand of tourism related manpower as well as from varying occupancy rates. The number of motor vehicles in endangered areas is closely associated to the number of exposed persons. The potential number of motor vehicles is investigated by means of mapping, statistics on the stock of motor vehicles and the density distribution. Diurnal and seasonal fluctuations of the investigated damage potential are pointed out. The recording of the number of persons and mobile values in endangered areas is vital for any disaster management.

Space power technology for the twenty-first century (SPT21)

International Nuclear Information System (INIS)

Borger, W.U.; Massie, L.D.

1988-01-01

During the spring and summer months of 1987, the Aero Propulsion Laboratory of the Air Force Wright Aeronautical Laboratories, Wright-Patterson AFB, Ohio in cooperation with the Air Force Space Technology Center at Kirtland AFB, New Mexico, undertook an initiative to develop a Strategic Plan for Space Power Technology Development. The initiative was called SPT21, Space Power Technology for the Twenty-First Century. The planning process involved the participation of other Government organizations (U.S. Army, Navy, DOE and NASA) along with major aerospace companies and universities. Following an SPT21 kickoff meeting on 28 May 1987, detailed strategic planning was accomplished through seven (7) Space Power Technology Discipline Workshops commencing in June 1987 and concluding in August 1987. Technology Discipline Workshops were conducted in the following areas: (1) Solar Thermal Dynamic Power Systems (2) Solar Photovoltaic Cells and Arrays (3) Thermal Management Technology (4) Energy Storage Technology (5) Nuclear Power Systems Technology (6) Power Conditioning, Distribution and Control and (7) Systems Technology/Advanced Concepts. This technical paper summarizes the planning process and describes the salient findings and conclusions of the workshops

Object lessons: notes on geometry in Norman Allison Calkins’ textbook (Brazil, end of nineteenth century, beginning of twentieth century

Directory of Open Access Journals (Sweden)

Maria Laura Magalhães Gomes

2011-12-01

Full Text Available Primary object lessons, by Norman Allison Calkins, ranslated by Rui Barbosa, a book that was widely disseminated in Brazil during the final years of the 19th century and the beginning of the 20th century, presents object teaching as a general method to be used in every subject or primary school. This article analyses Calkins’ book according to its presentation of mathematical content, focusing particularly on geometry lessons. It also iscusses five features of the approach adopted by Calkins: the presentation of plane geometry before geometry in space, the several materials necessary to the teaching of geometry, the drawing lessons associated with the lessons on shape, the sequence of presentation of the contents and the relations between geometry teaching and children’s pleasure and curiosity. Comments about the utilization and circulation of Calkins’ manual in geometry teaching in Brazil are also provided.

When Was the Nineteenth Century Where? Whither Victorian Studies?

Directory of Open Access Journals (Sweden)

Margot Finn

2006-04-01

Full Text Available Whilst acknowledging the usefulness of the descriptor ‘Victorian' to the work of social historians, this essay argues that a proper account of modernity, and of the Victorians' positioning within it, can only be apprehended by taking a longer view, be it within the framework of a long nineteenth or a long twentieth century. Finally, though, Finn argues that chronology is less important than the disciplinary and geographical boundaries of the field. The question should not be ‘when was the Victorian era?' but also ‘ where was it?' Interdisciplinarity, Britain's place in Europe, and the problems of empire are the three issues that Finn deems should be at the forefront of Victorian Studies in the twenty-first century.

History of science and technology in the 20th century and super-technologies at present. 20 seiki no kagaku gijutsushi to genzai no (cho) gijutsu

Energy Technology Data Exchange (ETDEWEB)

Futami, S. (Yasukawa Electric Mfg. Co. Ltd., Kitakyushu (Japan))

1992-10-05

Technologies whose names are prefixed with super are discussed from a viewpoint of history of science and technology. A chronology for super-prefixed sciences and technologies in the 20th century is presented. Since Bohr's quantum theory and Einstein's fundamental formula for atomic energy: E = mc[sup 2] that rank as two heads of super-science, were published in the begining of the 20th century, their theories have been playing roles as a foundation of the development of science and technology in this century. Namely, on the basis of quantum theory, semi-conductors were invented and super-conduction has been developed. The Einstein's fundamental formula has led to atomic bombs and commercial power reactors. Development to super-technologies in various fields of sciences and technologies is explained. When a nation's history of science and technology is assumed as a process from mimicry to self-sustenance that is composed of the following four steps: (1) import of products, (2)initiation of production and transfer of technology, (3)transit to technological self-sustain, (4) establishment of creative technology. Japan is in a process between(3) and(4). Further, super-technologies under research and development for the present in Japan are enumerated. 6 refs., 2 figs.

Organic light emission structures — XXI century technologies

Directory of Open Access Journals (Sweden)

Sorokin V. M.

2009-02-01

Full Text Available The given review allows to believe, that the decision of a complex technological, materialstechnological, technical problems at creation modern OLED- and PLED-devices in nearest 5—10 years will result in creation of devices with power efficiency more than 100 lm/W and service life till 100 000 hours. The realization of such parameters will allow to expand area of application of the considered systems and to create in the future unique flat powereffective organic lighting systems of new generation — light sources XXI of century.

Advanced Exploration Technologies: Micro and Nano Technologies Enabling Space Missions in the 21st Century

Science.gov (United States)

Krabach, Timothy

1998-01-01

Some of the many new and advanced exploration technologies which will enable space missions in the 21st century and specifically the Manned Mars Mission are explored in this presentation. Some of these are the system on a chip, the Computed-Tomography imaging Spectrometer, the digital camera on a chip, and other Micro Electro Mechanical Systems (MEMS) technology for space. Some of these MEMS are the silicon micromachined microgyroscope, a subliming solid micro-thruster, a micro-ion thruster, a silicon seismometer, a dewpoint microhygrometer, a micro laser doppler anemometer, and tunable diode laser (TDL) sensors. The advanced technology insertion is critical for NASA to decrease mass, volume, power and mission costs, and increase functionality, science potential and robustness.

Transforming Pedagogies:
Integrating 21st Century Skills And Web 2.0 Technology

Directory of Open Access Journals (Sweden)

Shelia Y. TUCKER

2014-01-01

Full Text Available According to (P21, Partnership for 21st Century Skills (n.d., unless the gap is bridged between how students learn and how they live, today’s education system will face irrelevance. The way people work and live has been transformed by demographic, economic, political, technological, and informational forces. Schools must adapt to these changing conditions in order to thrive. Students must be equipped to live in a multifaceted, multitasking, technology-driven world. And, regardless of their economic background, we must also ensure that all students have equal access to this new technological world. Collaborative learning theory which is connected to constructivism pedagogy requires students to work together to solve problems. Students need lifelong learning skills i.e., communication and information skills, problem-solving and thinking skills, and interpersonal and self-directional skills. The challenge becomes to deliberately incorporate learning skills into classrooms strategically and broadly. In this digital age, students must learn to use tools essential to everyday life and workplace productivity. They live in a world of almost unlimited streams of profound information, difficult choices and enormous opportunity. Teachers can create a 21st century context for learning by taking students out into the world, by bringing the world into the classroom, and by creating opportunities for students to collaboratively interact with each other (Learning for the, n.d.. One way of accomplishing this task is by employing the use of the Internet to connect Web 2.0 technology and 21st century skills. These skills are essential due to increased global competition, rising workforce capabilities, and accelerated technological change (Learning for the, n.d..

"Not a very nice subject." Changing views of parasites and parasitology in the twentieth century.

Science.gov (United States)

Vickerman, Keith

2009-10-01

The man in-the-street who frequently asks the question "Why am I here?" finds even more difficulty with the question "Why are parasites here?" The public's distaste for parasites (and by implication, for parasitologists!) is therefore understandable, as maybe was the feeling of early 20th century biologists that parasites were a puzzle because they did not conform to the then widely held association between evolution and progress, let alone the reason why a benevolent Creator should have created them. In mid-century, the writer, contemplating a career in parasitology was taken aback when he found that extolled contemporary biologists disdained parasites or thought little of parasitology as an intellectual subject. These attitudes reflected a lack of appreciation of the important role of parasites in generating evolutionary novelty and speciation, also unawareness of the value of parasite life-cycle studies for formulating questions of wider significance in biology, deficiencies which were gratifyingly beginning to be remedied in the latter half of the century.

Ranking GCM Estimates of Twentieth Century Precipitation Seasonality in the Western U.S. and its Influence on Floristic Provinces.

Science.gov (United States)

Cole, K. L.; Eischeid, J. K.; Garfin, G. M.; Ironside, K.; Cobb, N. S.

2008-12-01

Floristic provinces of the western United States (west of 100W) can be segregated into three regions defined by significant seasonal precipitation during the months of: 1) November-March (Mediterranean); 2) July- September (Monsoonal); or, 3) May-June (Rocky Mountain). This third region is best defined by the absence of the late spring-early summer drought that affects regions 1 and 2. Each of these precipitation regimes is characterized by distinct vegetation types and fire seasonality adapted to that particular cycle of seasonal moisture availability and deficit. Further, areas where these regions blend from one to another can support even more complex seasonal patterns and resulting distinctive vegetation types. As a result, modeling the effects of climates on these ecosystems requires confidence that GCMs can at least approximate these sub- continental seasonal precipitation patterns. We evaluated the late Twentieth Century (1950-1999 AD) estimates of annual precipitation seasonality produced by 22 GCMs contained within the IPCC Fourth Assessment (AR4). These modeled estimates were compared to values from the PRISM dataset, extrapolated from station data, over the same historical period for the 3 seasonal periods defined above. The correlations between GCM estimates and PRISM values were ranked using 4 measures: 1) A map pattern relationship based on the correlation coefficient, 2) A map pattern relationship based on the congruence coefficient, 3) The ratio of simulated/observed area averaged precipitation based on the seasonal precipitation amounts, and, 4) The ratio of simulated/observed area averaged precipitation based on the seasonal precipitation percentages of the annual total. For each of the four metrics, the rank order of models was very similar. The ranked order of the performance of the different models quantified aspects of the model performance visible in the mapped results. While some models represented the seasonal patterns very well, others

The culture of water cure in nineteenth-century Austria, 1800-1914

OpenAIRE

Steward, Jill

2002-01-01

This chapter was an invited contribution to an edited collection, bringing together new and international scholarship in an examination of the relationship between the modern practices of tourism and the built environment. The chapter draws on primary and secondary sources in an analysis of the ways in which Italy was perceived and experienced by British tourists during the nineteenth and early twentieth centuries. Utilising a model for analysing tourist behaviour developed within anthropolog...

Preparing Preservice Teachers for 21st Century Classrooms: Transforming Attitudes and Behaviors about Innovative Technology

Science.gov (United States)

Williams, Mia Kim; Foulger, Teresa S.; Wetzel, Keith

2009-01-01

Keeping-up with progressing technology tools has been a troublesome issue for educational technology instructors for over ten years as they endeavor to prepare beginning teachers to integrate technology in their future classrooms. This paper promotes instructors' ideas about behaviors of 21st century teachers, and explores efforts to support their…

Technology Roadmap for the 21st Century Truck Program, a government-industry research partnership

Energy Technology Data Exchange (ETDEWEB)

None

2000-12-01

The 21st Century Truck Program has been established as a government-industry research partnership to support the development and implementation of commercially viable technologies that will dramatically cut fuel use and emissions of commercial trucks and buses while enhancing their safety and affordability as well as maintaining or enhancing performance. The innovations resulting from this program will reduce dependence on foreign oil, improve our nation's air quality, provide advanced technology for military vehicles, and enhance the competitiveness of the U.S. truck and bus industry while ensuring safe and affordable freight and bus transportation for the nation's economy. This Technology Roadmap for the 21st Century Truck Program has been prepared to guide the development of the technical advancements that will enable the needed improvements in commercial truck fuel economy, emissions, and safety.

[Nutrition sciences in Spain in the second half of the twentieth century: a descriptive bibliometric study of the journal Anales de Bromatologia (1949-1993)].

Science.gov (United States)

Bernabeu-Mestre, J; Ureña Alberola, M T; Esplugues Pellicer, J X; Trescastro-López, E M; Galiana-Sánchez, M E; Castelló Botía, I

2012-11-01

To analyse the institutionalisation of nutrition sciences in Spain in the second half of the twentieth century, and evaluate the activities of the journal Anales de Bromatología. Descriptive bibliometric study of the original articles. Full names of the authors and the complete article title were recorded. Using key words, each article was assigned by consensus of the researchers to a single main subject in accordance with the thirteen subject areas addressed by the Spanish Society of Bromatology in its meetings. An analysis was conducted of the distribution and trends of general productivity indicators and their characteristics. A total of 917 original articles were published, with a mean of 20.8 papers/year. The subjects for which the highest percentage of articles was recorded were foreign substances in foods, foods of plant origin and nutrition. A total of 874 authors contributed, with a collaboration rate of 2.43 and a transience rate of 70.1%. Distribution of the number of authors per article was close to that indicated by Lotka's law of scientific productivity. The top twelve producers, predominantly women, participated in 49.9% of the articles published. The journal showed low productivity and was of an endogamous nature, with a predominance of authors related to the School of Bromatology in the Faculty of Pharmacy, at the Complutense University. The subjects addressed reflected the demands of the nutrition transition in Spain.

The family and its problems in andragogical magazines of the late fifties and early sixties of the twentieth century [Rodzina i jej problemy w czasopismach andragogicznych przełomu lat pięćdziesiątych i sześćdziesiątych XX wieku

Directory of Open Access Journals (Sweden)

Joanna JANIK-KOMAR

2016-06-01

Full Text Available https://doaj.org/publishThe text deals with the family problems and its support for their solutions based on articles published in andragogical magazines of the late fifties and early sixties of the twentieth century. These issues are extremely interesting, since they relate to the family life culture, marriage preparation and family life education. Preparing for marriage is of great importance for the future of its operation. Its absence has an effect on family problems and marital conflicts later in life. Parenting universities provided support for families in solving their problems, primarily in dealing with behavioral problems, but also provided knowledge from other areas of life.er/metadata

[History of leprosy in Reunion Island from the beginning of the 18th century until today].

Science.gov (United States)

Gaüzere, B A; Aubry, P

2013-01-01

This article traces the history of leprosy in Reunion from the early eighteenth century, which long paralleled the slave trace. Lepers were confined to a lazaretto and treated with herbs. Father Raimbault, "doctor" and chaplain of the lepers in the middle of the twentieth century, is still honored today. The improvement in living standards and the use of sulfones finally resulted in the control of leprosy. Nonetheless, from 2005 to 2011, an average of three new cases per year were detected among a population of 800,000 inhabitants.

A review on Anticipated Breakthrough Technologies of 21st Century

OpenAIRE

Aithal P. S.; Shubhrajyotsna Aithal

2016-01-01

This review discuss strategic management of thirteen most anticipated possible technology breakthroughs of 21st century which are substantially affect the life style of living beings in the world like (1) Nanotechnology-based human life comfort, (2) High speed computation through optical computers, (3) Embedded Intelligence, (4) HIV Antivirus, (5) Pseudo Senses - Sensation of existence through virtual reality and through artificial environment, (6) Off Planet Production in micro-gravity, (7) ...

Advanced Computing for 21st Century Accelerator Science and Technology

International Nuclear Information System (INIS)

Dragt, Alex J.

2004-01-01

Dr. Dragt of the University of Maryland is one of the Institutional Principal Investigators for the SciDAC Accelerator Modeling Project Advanced Computing for 21st Century Accelerator Science and Technology whose principal investigators are Dr. Kwok Ko (Stanford Linear Accelerator Center) and Dr. Robert Ryne (Lawrence Berkeley National Laboratory). This report covers the activities of Dr. Dragt while at Berkeley during spring 2002 and at Maryland during fall 2003

Radiation curing--new technology of green industries facing 21st century

International Nuclear Information System (INIS)

Wang Jianguo; Teng Renrui

2000-01-01

The development of radiation curing was simply reviewed and the mechanism of UV curing and EB curing, the equipment and materials used in the radiation curing were also introduced. Compared with ordinary curing, the radiation curing has advantages of energy saving, high effectiveness and little pollution. It is a new technology of green industries facing the 21st century

The Nineteenth Century Revised: Towards a New Narrative of Europe’s Past

Directory of Open Access Journals (Sweden)

Bo Stråth

2015-12-01

Full Text Available The conventional history of Europe, connecting the Enlightenment heritage with our time, makes a huge detour around the violent nineteenth century and the first half of the twentieth one. The article explores the European peace utopias of 1815, 1918 and 1951, and their eventual loss of suggestive force, and argues that they link today’s global Europe to the post-Napoleonic world two hundred years ago. This connection, through a series of illusions and disillusions about the nature of politics, represents a different view on the nineteenth and twentieth century than the conventional teleological narrative about fulfilment of the Enlightenment promise of progress. The analysis of the bicentenary chain of shifts between postwar, prewar and war should not be read in terms of a teleology necessitating a new war; the point is, rather to draw attention to the fragility and openness of historical processes. The new narrative outlined here emphasizes that there was no necessity in the development towards today’s Europe; the story is full of alternatives, and highlights the role as well as the responsibility of human agency. No solution appears as a necessary result of impersonal forces, everything has depended, and continues to depend, on human choice.

Locating therapeutic vaccines in nineteenth-century history.

Science.gov (United States)

Gradmann, Christoph

2008-06-01

This essay places some therapeutic vaccines, including particularly the diphtheria antitoxin, into their larger historical context of the late nineteenth century. As industrially produced drugs, these vaccines ought to be seen in connection with the structural changes in medicine and pharmacology at the time. Given the spread of industrial culture and technology into the field of medicine and pharmacology, therapeutic vaccines can be understood as boundary objects that required and facilitated communication between industrialists, medical researchers, public health officials, and clinicians. It was in particular in relation to evaluation and testing for efficacy in animal models that these medicines became a model for twentieth-century medicine. In addition, these medicines came into being as a parallel invention in two very distinct local cultures of research: the Institut Pasteur in Paris and the Institut für Infektionskrankheiten in Berlin. While their local cultural origins were plainly visible, the medicines played an important role in the alignment of the methods and objects that took place in bacteriology research in France and Germany in the 1890s. This article assesses the two locally specific regimes for control in France and in Imperial Germany. In France the Institut Pasteur, building on earlier successful vaccines, enjoyed freedom from scrutinizing control. The tight and elaborate system of control that evolved in Imperial Germany is portrayed as being reliant on experiences that were drawn from the dramatic events that surrounded the launching of a first example of so-called "bacteriological medicine," tuberculin, in 1890.

History, legislation and offense: deprivation of liberty and socio-educational measures aimed at children and adolescents in the 20th century

Directory of Open Access Journals (Sweden)

Camila Serafim Daminelli

2017-12-01

Full Text Available During the twentieth century the Brazilian State sought to reeducate the minors offenders by their insertion in centers built for this purpose. First based on Minor’s Rights [Direito do Menor] (1927, then through the Doctrine of the Irregular Situation [Doutrina da Situação Irregular] (1979, the offenders were priority subject for internment, because of their noticeable public disorder potential and as adult crime demand. Since the enactment of the Child and Teenager Statute [Estatuto da Criança e do Adolescente] (1990, educational measures in open regime was established aiming the reintegration of the offender to social life, presenting the shelter as a last option to be used. It is proposed to analyze the measures provided by law for accountability of child and youth people throughout the twentieth century, in Brazil and make some considerations about educational measures prescribed by actual law

THE HUMAN RIGHTS ENFORCEMENT AS AN IDENTITY OF THE AMERICAN QUAKERS IN THE ERAS BEFORE TWENTIETH CENTURY

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Nuriadi .

2014-06-01

Full Text Available This paper discusses how and why the Quakers dealt with human rights issues in the United States before 20th century, ranging from the mid 17th century to the mid 19th century. It applies Nash Smith’s interdisciplinary theory as a theoretical approach. The Quakers, as a Christian religious group, had got several features or identities since George Fox declared its existence in England in the mid of 17th century. They lived in simplicity, adopted the principle of pacifism, rejected paying tith and tax, rejected taking off hat, used archaic words, and so forth. However, the Quakers in the United States had shown a new feature or identity; namely, the enforcement of human rights in the eras before the 20th century. The human rights enforcement was motivated by their piety and loyality to the Quakerism. In other words, it was an expression of their belief in Quakerism. This theology empowered their thoughts and actions in responding issues pertaining to human rights of the minorities i.e. the Indians or Native Americans, the African-Americans, and women along the span of time. Their goal was to let the minorities enjoy their unalienable rights as what most of white men had enjoyed.

Hospitals as factories of medical garbage.

Science.gov (United States)

Hodges, Sarah

2017-12-01

Over the course of the twentieth century, as hospitals cleaned up, they came to produce more and more rubbish. Beginning in the 1970s and gaining pace in the 1980s and 1990s, single-use plastic items (syringes, blood bags, tubing) saturated everyday medical practice across the globe. This essay brings the question of plastic to bear upon the longer history of twentieth century sanitary science. The widespread adoption of single-use disposable medical plastics consolidated a century's worth of changes in medical hygiene. As strange as it may seem today, the initial uptake of medical plastics was not driven primarily by concerns about hygiene. Plastic began as a mid-century technology of convenience and durability. It was not until the end of the twentieth century that it morphed into a powerful symbol and instrument of medical hygiene. Today, both patients and practitioners have embraced plastic as an indispensable technology of clean medicine. The procession of single-use medical plastics through everyday medicine now comprises a constant, if disposable, infrastructure of medical hygiene. This new processional infrastructure of disposable hygiene has produced another, albeit unintended, consequence. This new regime has exponentially increased hospitals' material outputs. In so doing, plastic has refigured the ecologies of everyday medicine. Plastic hygiene has rendered hospitals factories of medical garbage.

Cities within Cities: Australian and New Zealand Art in the Twentieth Century

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Rex Butler

2011-06-01

Full Text Available This paper argues for a new conception of both Australian and New Zealand art history based on their long-standing historical connection. The national histories of the art of both countries that dominated the 20th century are revealed as themselves historical, preceded and followed by non-national histories that are in effect part of a wider history of world art. The paper makes its case by looking at a number of artists whose careers cross between the two countries and at the expatriates from both countries who worked together in Europe.

Leveraging 21st Century Learning & Technology to Create Caring Diverse Classroom Cultures

Science.gov (United States)

Tarbutton, Tanya

2018-01-01

Creating diverse caring classroom environments, for all students, using innovative technology, is the impetus of this article. Administrators and teachers in many states have worked to integrate 21st Century Learning Outcomes and Local Control and Accountability Plans (LCAP) into daily teaching and learning. These initiatives are designed to…

The writing of Mina Loy between the feminine figurations in the late 19th century

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Lucas Bento Pugliesi

2017-12-01

Full Text Available This papper will deal with the ambivalence of Mina Loy's thought as presented on her poems and on the Feminist Manifesto, understanding it as a response to European psychology from the turn of the nineteenth century to the twentieth century, especially the conceptions of the feminine by Otto Weininger. In this way, it is intended to understand how a poetic form already carries in itself something of an invective against the masculine way (DERRIDA, 1993 to value the knowledge, which Loy intends to destroy in favor of positive affirmations of a feminine identity.

Nuclear science and technology in the 21st century

Energy Technology Data Exchange (ETDEWEB)

Alang Md Rashid, Nahrul Khair [Malaysian Inst. for Nuclear Technology Research (MINT), Bangi, Selangor (Malaysia)

1997-12-01

The issues discussed were: Looking on the positive side, despite adverse public reaction, ns and t in general continues to gain followers and users. Nuclear power reactors are still generating electricity and its other peaceful applications are contributing to the development of the socioeconomic sectors of many countries. The network of international as wen as regional cooperation for nuclear safety and agreement for nuclear weapons free zones, among others, should provide the international administrative infrastructure for ns and t to continue serving humanity in the next century. In respect of nuclear power, the Asia and Pacific region is experiencing rapid growth. Its energy needs will increase in the future. At some point, nuclear power may become favorable again as the ability of conventional energy resources to fifflu energy needs decreases and the pressure to reduce environmental burden increases. Within the next century, other regions of the world is expected to be on the same path. The early starters of the West would experience capacity degradation due to aging of their nuclear reactors; this needs to be replaced. If the two coincides, then there would be enough motivation for further development and utilization of ns and t for power production. In the non-power applications, industrialization of countries in the developing regions will create new avenues for nuclear technology to grow. Efforts to demilitarized the technology would create new civilian applications. Again assuming they achieve a synergy, growth of ns and t in the future can be expected.

Nuclear science and technology in the 21st century

International Nuclear Information System (INIS)

Nahrul Khair Alang Md Rashid

1997-01-01

The issues discussed were: Looking on the positive side, despite adverse public reaction, ns and t in general continues to gain followers and users. Nuclear power reactors are still generating electricity and its other peaceful applications are contributing to the development of the socioeconomic sectors of many countries. The network of international as wen as regional cooperation for nuclear safety and agreement for nuclear weapons free zones, among others, should provide the international administrative infrastructure for ns and t to continue serving humanity in the next century. In respect of nuclear power, the Asia and Pacific region is experiencing rapid growth. Its energy needs will increase in the future. At some point, nuclear power may become favorable again as the ability of conventional energy resources to fifflu energy needs decreases and the pressure to reduce environmental burden increases. Within the next century, other regions of the world is expected to be on the same path. The early starters of the West would experience capacity degradation due to aging of their nuclear reactors; this needs to be replaced. If the two coincides, then there would be enough motivation for further development and utilization of ns and t for power production. In the non-power applications, industrialization of countries in the developing regions will create new avenues for nuclear technology to grow. Efforts to demilitarized the technology would create new civilian applications. Again assuming they achieve a synergy, growth of ns and t in the future can be expected

The Future of Particle Physics

Energy Technology Data Exchange (ETDEWEB)

Bjorken, James

2000-06-15

After a very brief review of twentieth century elementary particle physics, prospects for the next century are discussed. First and most important are technological limits of opportunities; next, the future experimental program, and finally the status of the theory, in particular its limitations as well as its opportunities.

Psychicones: Visual Traces of the Soul in Late Nineteenth-Century Fluidic Photography.

Science.gov (United States)

Pethes, Nicolas

2016-07-01

The article discusses attempts to visualise the soul on photographic plates at the end of the nineteenth century, as conducted by the French physician Hippolyte Baraduc in Paris. Although Baraduc refers to earlier experiments on fluidic photography in his book on The Human Soul (1896) and is usually mentioned as a precursor to parapsychological thought photography of the twentieth century, his work is presented as a genuine attempt at photographic soul-catching. Rather than producing mimetic representations of thoughts and imaginations, Baraduc claims to present the vital radiation of the psyche itself and therefore calls the images he produces psychicones. The article first discusses the difference between this method of soul photography and other kinds of occult media technologies of the time, emphasising the significance of its non-mimetic, abstract character: since the soul itself was considered an abstract entity, abstract traces seemed all the more convincing to the contemporary audience. Secondly, the article shows how the technological agency of photography allowed Baraduc's psychicones to be tied into related discourses in medicine and psychology. Insofar as the photographic plates displayed actual visual traces, Baraduc and his followers no longer considered hallucinations illusionary and pathological but emphasised the physical reality and normality of imagination. Yet, the greatest influence of soul photography was not on science but on art. As the third part of the paper argues, the abstract shapes on Baraduc's plates provided inspiration for contemporary avant-garde aesthetics, for example, Kandinsky's abstract paintings and the random streams of consciousness in surrealistic literature.

Development of Ukrainian legislation on sanitary protection of water resources in the XX century

Directory of Open Access Journals (Sweden)

Ю. А. Чуприна

2015-05-01

Full Text Available Problem Setting. The article investigates the formation in Ukraine of legal regulation of the state sanitary control of water, the process of creating of general and special jurisdiction for its implementation, as well as the regulation regime, methods and tools for health protection of waters of different categories. The relevance of this article due to the need to systematize the individual areas of water law, including the protection of water and sanitation of the twentieth century. Analysis of the recent researches and publications. The article devoted to the study of formation in Ukraine of legal regulation of the state sanitary control of water, the process of creating of general and special jurisdiction for its implementation, as well as the regulation regime, methods and tools for health protection of waters of different categories. Paper objective. The relevance of this article due to the need to identify viable methods and instruments of legal regulation of sanitary protection of water during the formation of the main areas of water legislation of Ukraine in the twentieth century. Terms used in the legal protection of water, sanitary water use rules, the bodies of sanitary supervision, the state sanitary inspection. Conclusions. Research in the field of water legislation, and therefore the individual concerned and its protection issues, many scientists were engaged as ecologists and environmentalists. However, the special historical and legal work in a range twentieth century. no. This gap makes it difficult to analyze the current state of affairs in the field of sanitary protection of water. Detection of historical stages of development of water legislation in this area, identifying the main patterns and dynamics of legal regulation of sanitary protection of water in specific historical circumstances will improve the current regime of water protection. The author analyzes the main laws and regulations in the field of materials of

Phytoremediation of heavy metals with several efficiency enhancer ...

African Journals Online (AJOL)

USER

2010-06-21

Jun 21, 2010 ... Key words: phytoremediation, heavy metal, plant growth promoting rhizobacteria, multi-functional method. ... population in the twentieth century, heavy metal ... This natural and environmental friendly technology is.

Avalanche related damage potential - changes of persons and mobile values since the mid-twentieth century, case study Galtür

Directory of Open Access Journals (Sweden)

M. Keiler

2005-01-01

Full Text Available When determining risk related to natural hazard processes, many studies neglect the investigations of the damage potential or are limited to the assessment of immobile values like buildings. However, persons as well as mobile values form an essential part of the damage potential. Knowledge of the maximum number of exposed persons in an endangered area is of great importance for elaborating evacuation plans and immediate measures in case of catastrophes. In addition, motor vehicles can also be highly damaged, as was shown by the analysis of avalanche events. With the removal of mobile values in time as a preventive measure this kind of damage can be minimised. This study presents a method for recording the maximum number of exposed persons and monetarily assessing motor vehicles in the municipality of Galtür (Tyrol, Austria. Moreover, general developments of the damage potential due to significant socio-economic changes since the mid-twentieth century are pointed out in the study area. The present situation of the maximum number of persons and mobile values in the official avalanche hazard zones of the municipality is described in detail. Information on the number of persons is derived of census data, tourism and employment statistics. During the winter months, a significant increase overlaid by strong short-term fluctuation in the number of persons can be noted. These changes result from a higher demand of tourism related manpower as well as from varying occupancy rates. The number of motor vehicles in endangered areas is closely associated to the number of exposed persons. The potential number of motor vehicles is investigated by means of mapping, statistics on the stock of motor vehicles and the density distribution. Diurnal and seasonal fluctuations of the investigated damage potential are pointed out. The recording of the number of persons and mobile values in endangered areas is vital for any disaster management.

Protecting trees against virus diseases in the 21st century: genetic engineering of Plum pox virus resistance - from concept to product

Science.gov (United States)

Sharka disease, caused by Plum pox virus (PPV), was first recorded in Bulgaria during the early twentieth century. Since that first report, the disease has progressively spread throughout Europe where it has infected over 100 million stone fruit trees. From Europe, sharka disease spread to Asia, A...

Gender Disturbance: Women and War in 20th Century United Kingdom

OpenAIRE

Bowen, Claire; Cacqueray, Elizabeth de; Cacqueray, Elizabeth de; Esteves, Olivier; Magot, Céline; Meschia, Karen; Molinari, Véronique; Noakes, Lucy; Pham Dinh, Rose-May; Stirling, Martine; Vervaecke, Philippe

2009-01-01

In most societies gender stereotyped roles attribute to men combative functions related to defence and attack, whilst women are engaged in the functions of motherhood and caring for the community. This was nowhere more the case than in the UK, in the late nineteenth and early twentieth century: strict division of gender roles, in the middle and upper classes, allotting men to the public domain and women to the home, suited the demands of developing industrial production. However, between 1939...

Topographic Transmissions and How To Talk About Them: The Case of the Southern Spa in Nineteenth-Century Russian Fiction

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Benjamin Morgan

2014-10-01

Full Text Available The Caucasian spa resort is a significant setting in Russian literature of the nineteenth century. This paper will trace the origins and evolution of Russian fictional writing about watering places like Piatigorsk and Kislovodsk from romanticism until the turn of the twentieth century. At the same time it will consider the semiotic theories of Iurii Lotman’s Tartu-Moscow School and the ‘transtextual’ apparatus of the French narratologist Gérard Genette as ‘toolboxes’ for work on place in narrative.

Engineering in the 21st century. [aerospace technology prospects

Science.gov (United States)

Mccarthy, J. F., Jr.

1978-01-01

A description is presented of the nature of the aerospace technology system that might be expected by the 21st century from a reasonable evolution of the current resources and capabilities. An aerospace employment outlook is provided. The years 1977 and 1978 seem to be marking the beginning of a period of stability and moderate growth in the aerospace industry. Aerospace research and development employment increased to 70,000 in 1977 and is now occupying a near-constant 18% share of the total research and development work force. The changing job environment is considered along with the future of aerospace education. It is found that one trend is toward a more interdisciplinary education. Most trend setters in engineering education recognize that the really challenging engineering problems invariably require the judicious exercise of several disciplines for their solution. Some future trends in aerospace technology are discussed. By the year 2000 space technology will have achieved major advances in four areas, including management of information, transportation, space structures, and energy.

Promoting Children's Learning through Technology Literacy: Challenges to School Librarians in the 21st Century

Science.gov (United States)

Ejikeme, Anthonia N.; Okpala, Helen N.

2017-01-01

In today's world of technological revolution, children need to be encouraged to be ready to acquire lifelong knowledge and skills in the 21st century. This paper presents an overview of the application of technologies in children's learning environment which apparently will give them the opportunity of making use of their thinking skills in order…

Staying human in the 21st century : thinking beyond human enhancement technologies inside the body

NARCIS (Netherlands)

Est, van Q.C.; Schuijff, M.; Boer, de T.; Fischer, R.

2013-01-01

The debate on human enhancement has focused so far on invasive biomedical technologies that work inside the body. To fully address the question of what does it mean to be human in the 21st century, we should also pay attention to a broad range of technologies that work outside the body, but still

Multiproxy summer and winter surface air temperature field reconstructions for southern South America covering the past centuries

Energy Technology Data Exchange (ETDEWEB)

Neukom, R.; Grosjean, M.; Wanner, H. [University of Bern, Oeschger Centre for Climate Change Research (OCCR), Bern (Switzerland); University of Bern, Institute of Geography, Climatology and Meteorology, Bern (Switzerland); Luterbacher, J. [Justus Liebig University of Giessen, Department of Geography, Climatology, Climate Dynamics and Climate Change, Giessen (Germany); Villalba, R.; Morales, M.; Srur, A. [CONICET, Instituto Argentino de Nivologia, Glaciologia y Ciencias Ambientales (IANIGLA), Mendoza (Argentina); Kuettel, M. [University of Bern, Oeschger Centre for Climate Change Research (OCCR), Bern (Switzerland); University of Bern, Institute of Geography, Climatology and Meteorology, Bern (Switzerland); University of Washington, Department of Earth and Space Sciences, Seattle (United States); Frank, D. [Swiss Federal Research Institute WSL, Birmensdorf (Switzerland); Jones, P.D. [University of East Anglia, Climatic Research Unit, School of Environmental Sciences, Norwich (United Kingdom); Aravena, J.-C. [Centro de Estudios Cuaternarios de Fuego Patagonia y Antartica (CEQUA), Punta Arenas (Chile); Black, D.E. [Stony Brook University, School of Marine and Atmospheric Sciences, Stony Brook (United States); Christie, D.A.; Urrutia, R. [Universidad Austral de Chile Valdivia, Laboratorio de Dendrocronologia, Facultad de Ciencias Forestales y Recursos Naturales, Valdivia (Chile); D' Arrigo, R. [Earth Institute at Columbia University, Tree-Ring Laboratory, Lamont-Doherty Earth Observatory, Palisades, NY (United States); Lara, A. [Universidad Austral de Chile Valdivia, Laboratorio de Dendrocronologia, Facultad de Ciencias Forestales y Recursos Naturales, Valdivia (Chile); Nucleo Cientifico Milenio FORECOS, Fundacion FORECOS, Valdivia (Chile); Soliz-Gamboa, C. [Utrecht Univ., Inst. of Environmental Biology, Utrecht (Netherlands); Gunten, L. von [Univ. of Bern (Switzerland); Univ. of Massachusetts, Climate System Research Center, Amherst (United States)

2011-07-15

We statistically reconstruct austral summer (winter) surface air temperature fields back to ad 900 (1706) using 22 (20) annually resolved predictors from natural and human archives from southern South America (SSA). This represents the first regional-scale climate field reconstruction for parts of the Southern Hemisphere at this high temporal resolution. We apply three different reconstruction techniques: multivariate principal component regression, composite plus scaling, and regularized expectation maximization. There is generally good agreement between the results of the three methods on interannual and decadal timescales. The field reconstructions allow us to describe differences and similarities in the temperature evolution of different sub-regions of SSA. The reconstructed SSA mean summer temperatures between 900 and 1350 are mostly above the 1901-1995 climatology. After 1350, we reconstruct a sharp transition to colder conditions, which last until approximately 1700. The summers in the eighteenth century are relatively warm with a subsequent cold relapse peaking around 1850. In the twentieth century, summer temperatures reach conditions similar to earlier warm periods. The winter temperatures in the eighteenth and nineteenth centuries were mostly below the twentieth century average. The uncertainties of our reconstructions are generally largest in the eastern lowlands of SSA, where the coverage with proxy data is poorest. Verifications with independent summer temperature proxies and instrumental measurements suggest that the interannual and multi-decadal variations of SSA temperatures are well captured by our reconstructions. This new dataset can be used for data/model comparison and data assimilation as well as for detection and attribution studies at sub-continental scales. (orig.)

Panel - Ethics in modern universities of technology : Challenges of the 21st century

NARCIS (Netherlands)

Engel-Hills, Penelope; Hillerbrand, Rafaela; Rip, Arie; Sunderland, Mary; Taebi, Behnam; Werker, Claudia; Wineberg, Chris

2014-01-01

The challenges of the 21st century will fully reflect on universities of technology. The world population is growing while we pursue higher levels of global well-being. The increasing energy demands and the resulting problems of climate change will be only two of the many major challenges humanity

The Diversity of Cloud Responses to Twentieth Century Sea Surface Temperatures

Science.gov (United States)

Silvers, Levi G.; Paynter, David; Zhao, Ming

2018-01-01

Low-level clouds are shown to be the conduit between the observed sea surface temperatures (SST) and large decadal fluctuations of the top of the atmosphere radiative imbalance. The influence of low-level clouds on the climate feedback is shown for global mean time series as well as particular geographic regions. The changes of clouds are found to be important for a midcentury period of high sensitivity and a late century period of low sensitivity. These conclusions are drawn from analysis of amip-piForcing simulations using three atmospheric general circulation models (AM2.1, AM3, and AM4.0). All three models confirm the importance of the relationship between the global climate sensitivity and the eastern Pacific trends of SST and low-level clouds. However, this work argues that the variability of the climate feedback parameter is not driven by stratocumulus-dominated regions in the eastern ocean basins, but rather by the cloudy response in the rest of the tropics.

Bangsawan prampoewan Enlightened Peranakan Chinese women from early twentieth century Java

Directory of Open Access Journals (Sweden)

Didi Kwartanada

2017-05-01

Full Text Available The end of the nineteenth century witnessed paradox among the Chinese in colonial Java. On one hand, they were prospering economically, but were nonetheless held in contempt by the Dutch, encountered legal discrimination and faced challenges if they wanted to educate their children in European schools. Their marginal position motivated them do their utmost to become “civilized subjects”, on a par with Europeans, but they were also inspired to reinvent their Chinese identity. This contribution will highlight role played by “enlightened” Chinese, the kaoem moeda bangsa Tjina. Central to this movement were the Chinese girls known to the public as bangsawan prampoewan (the noblewomen, who wrote letters the newspaper and creating a gendered public sphere. They also performed western classical music in public. Considering the inspirational impact of bangsawan prampoewan’s enlightening achievements on non-Chinese women, it is appropriate to include them into the narrative of the history of the nation’s women’s movements.

Nuclear power of the coming century and requirements to the nuclear technology

International Nuclear Information System (INIS)

Orlov, V.; Leonov, V.; Sila-Novitski, A.; Smirnov, V.; Tsikunov, V.; Filin, A.

2001-01-01

Current state of nuclear power in the world has been considered and the reasons for its falling short of the great expectations relating to its vigorous development in the outgoing century are considered. Anticipated energy demand of mankind in the next century is evaluated, suggesting that with exhausted resources of cheap fossil fuel and ecological restrictions it can be satisfied by means of a new nuclear technology meeting the requirements of large-scale power generation in terms of safety and economic indices, moreover, the technology can be elaborated in the context of achievements made in civil and military nuclear engineering. Since the developing countries are the most interested parties, it is just their initiative in the development of nuclear technology at the next stage that could provide an impetus for its actual advance. It is shown that large-scale development of nuclear power, being adequate to increase in energy demand, is possible even if solely large NPP equipped with breeders providing BR≥1 are constructed. Requirements for the reactor and fuel cycle technologies are made, their major aspects being: efficient utilization of Pu accumulated and reduction of U specific consumption by at least an order of magnitude; natural inherent safety and deterministic elimination of accidents involving high radioactive releases; assurance of a balance between radiation hazard posed by radioactive wastes disposed and uranium extracted from the ground; nuclear weapons nonproliferation due to fuel reprocessing ruling out potentiality of Pu diversion; reduction of the new generation reactor costs below the costs of today's LWR. (author)

Evolving Technologies Require Educational Policy Change: Music Education for the 21st Century

Science.gov (United States)

Crawford, Renee

2013-01-01

There is growing discussion among education and government authorities on rethinking education in the 21st century. This increasing area of interest has come in response to the evolution of technology and its effect on the future needs and requirements of society. Online applications and social networking capabilities have accelerated in…

Tree ring-based seven-century drought records for the Western Himalaya, India

Science.gov (United States)

Yadav, Ram R.

2013-05-01

The paucity of available instrumental climate records in cold and arid regions of the western Himalaya, India, hampers our understanding of the long-term variability of regional droughts, which seriously affect the agrarian economy of the region. Using ring width chronologies of Cedrus deodara and Pinus gerardiana together from a network of moisture-stressed sites, Palmer Drought Severity Index values for October-May back to 1310 A.D. were developed. The twentieth century features dominant decadal-scale pluvial phases (1981-1995, 1952-1968, and 1918-1934) as compared to the severe droughts in the early seventeenth century (1617-1640) as well as late fifteenth to early sixteenth (1491-1526) centuries. The drought anomalies are positively (negatively) associated with central Pacific (Indo-Pacific Warm Pool) sea surface temperature anomalies. However, non-stationarity in such relationships appears to be the major riddle in the predictability of long-term droughts much needed for the sustainable development of the ecologically sensitive region of the Himalayas.

Accounting for Values in Design

NARCIS (Netherlands)

Detweiler, C.A.

2016-01-01

One of the more notable technologies to enter and affect everyday life is information and communication technology (ICT). Since the twentieth century, ICTs have had a considerable impact on many aspects of everyday life. This impact on individuals and society is rarely neutral; ICTs can have both

TECHNOLOGY VS NATURE: HUMAN ERROR IN DEALING WITH NATURE IN CRICHTON'S JURASSIC PARK

Directory of Open Access Journals (Sweden)

Sarah Prasasti

2000-01-01

Full Text Available Witnessing the euphoria of the era of biotechnology in the late twentieth century, Crichton exposes the theme of biotechnology in his works. In Jurassic Park, he voices his concern about the impact of the use of biotechnology to preserve nature and its living creatures. He further describes how the purpose of preserving nature and the creatures has turned out to be destructive. This article discusses Crichton's main character, Hammond, who attempts to control nature by genetically recreating the extinct fossil animals. It seems that the attempt ignores his human limitations. Although he is confident that has been equipped with the technology, he forgets to get along with nature. His way of using technology to accomplish his purpose proves not to be in harmony with nature. As a consequence, nature fights back. And he is conquered.

A Case in Pointe: Romance and Regimentation at the New York City Ballet.

Science.gov (United States)

Laemmli, Whitney E

2015-01-01

This article analyzes the ballet dancer's pointe shoe as a technology of artistic production and bodily discipline. Drawing on oral histories, memoirs, dance journals, advertisements, and other archival materials, it demonstrates that the shoe utilized by dancers at George Balanchine's New York City Ballet was not the quintessentially Romantic entity it is so often presumed to be. Instead, it emerged from uniquely twentieth-century systems of labor and production, and it was used to alter dancers' bodies and professional lives in particularly modern ways. The article explores not only the substance of these changes but also the ways in which Balanchine's artistic oeuvre was inextricably intertwined with the material technologies he employed and, more broadly, how the history of technology and the history of dance can productively inform one another. Fundamentally, this article recasts Balanchine, seeing him not as a disconnected artist but as an eager participant in the twentieth-century national romance with American technology.

Tin Oxide Chemistry from the Last Decade of the Nineteenth Century to the First Decade of the Twenty-First Century: Towards the Development of a Big-Picture Approach to the Teaching and Learning of Chemistry while Focussing on a Specific Compound or Class of Compounds

Science.gov (United States)

de Berg, Kevin C.

2010-01-01

The discovery of the electron in 1897 deeply impacted the nature of chemistry in the twentieth century. A revolution in the theoretical structure of chemistry as well as in the instrumental tools used in chemical analysis occurred as a result of this discovery. The impact of this revolution on tin oxide chemistry over approximately a 100 year…

Problems of Disarmament at the end of XXth - beginning of XXIst century

Directory of Open Access Journals (Sweden)

A S Protopopov

2014-12-01

Full Text Available The article deals with the Soviet Union position on disarmament negotiations in the second half of the twentieth century. The authors noted the role and importance of the policy of the USSR and Russia on the strengthening of the international situation in solving disarmament issues, strengthening international security during that period. The documents and materials disclosed actual position of the USSR/Russia and the United States on the issue of security in general and the specific aspects related to the rarefaction.

THE INTERSECTION OF POLITICS AND RELIGION IN 20TH CENTURY SOUTHWESTERN COLOMBIA.

Directory of Open Access Journals (Sweden)

Brett Troyan

2010-10-01

Full Text Available Historians have discussed and debated the many reasons for the Colombian Catholic church’sdecline. National trends such as the growing secularization of society, emergence of Protestantism, and the decline of the Conservative Party have all been cited as contributing to the weakening of the Catholic Church’s importance. This article examines the evolution of theCatholic Church in the department of Cauca during the twentieth century. It focuses specifically on the changes in the relationship between the Catholic Church and indigenous people.

Our journey to digital curation of the Jeghers Medical Index

Directory of Open Access Journals (Sweden)

Lori Gawdyda

2017-07-01

Conclusions: This case study shows how a small medical library made medical writings of the nineteenth and twentieth centuries available in electronic format for historic or semantic research, highlighting the efficiencies of contemporary information technology.

A New Paradigm Is Needed for Medical Education in the Mid-Twenty-First Century and Beyond: Are We Ready?

Directory of Open Access Journals (Sweden)

Dan E. Benor

2014-07-01

Full Text Available The twentieth century witnessed profound changes in medical education. All these changes, however, took place within the existing framework, suggested by Flexner a century ago. The present paper suggests that we are approaching a singularity point, where we shall have to change the paradigm and be prepared for an entirely new genre of medical education. This suggestion is based upon analysis of existing and envisaged trends: first, in technology, such as availability of information and sophisticated simulations; second, in medical practice, such as far-reaching interventions in life and death that create an array of new moral dilemmas, as well as a change in patient mix in hospitals and a growing need of team work; third, in the societal attitude toward higher education. The structure of the future medical school is delineated in a rough sketch, and so are the roles of the future medical teacher. It is concluded that we are presently not prepared for the approaching changes, neither from practical nor from attitudinal points of view, and that it is now high time for both awareness of and preparation for these changes.

Emotions and Social Sciences in 20th century: The Prequel of Affective Turn

OpenAIRE

Giazú Enciso Domínguez; Alí Lara

2014-01-01

The Affective Turn is an innovative movement that is transforming the production of knowledge based on the study of affect and emotion. To understand the current role of emotions, we proposed a 'prequel. Telling what happened with emotions within the social sciences before the Affective Turn, and before the twentieth century. In this work we explain the present from the past, we tell the story before The History, we pay a debt to a previous work: The Affective Turn. We articulate the prequel ...

Infrastructure: A technology battlefield in the 21st century

Energy Technology Data Exchange (ETDEWEB)

Drucker, H.

1997-12-31

A major part of technological advancement has involved the development of complex infrastructure systems, including electric power generation, transmission, and distribution networks; oil and gas pipeline systems; highway and rail networks; and telecommunication networks. Dependence on these infrastructure systems renders them attractive targets for conflict in the twenty-first century. Hostile governments, domestic and international terrorists, criminals, and mentally distressed individuals will inevitably find some part of the infrastructure an easy target for theft, for making political statements, for disruption of strategic activities, or for making a nuisance. The current situation regarding the vulnerability of the infrastructure can be summarized in three major points: (1) our dependence on technology has made our infrastructure more important and vital to our everyday lives, this in turn, makes us much more vulnerable to disruption in any infrastructure system; (2) technologies available for attacking infrastructure systems have changed substantially and have become much easier to obtain and use, easy accessibility to information on how to disrupt or destroy various infrastructure components means that almost anyone can be involved in this destructive process; (3) technologies for defending infrastructure systems and preventing damage have not kept pace with the capability for destroying such systems. A brief review of these points will illustrate the significance of infrastructure and the growing dangers to its various elements.

El teatro de la cibercultura

Directory of Open Access Journals (Sweden)

Laurra Borràs Castanyer

2015-11-01

Full Text Available he article analyzes the dramaturgical component of that which we call cybertheatre with the advent of the digital era in the late twentieth century, with reference to leading companies in the insertion of the virtual on stage, but not limited to mere props representation or accompaniment, but the ubiquitous actor interacting new simulacral virtual body (through its image. How this affects hypertext or digital technology to the future of the performing arts and their contribution dramaturgical just clarified. All this in the historical context (aesthetic progression from theatrical vanguards of the twentieth century in which the emergence of digital culture is inserted.

No Issue, No Problem? Co-Education in Dutch Secondary Physical Education during the Twentieth Century.

Science.gov (United States)

Van Essen, Mineke

2003-01-01

Examines the development co-education in Dutch secondary physical education, suggesting that the dominant 20th century co-educational tradition in the Netherlands has influenced educational ideals and school practice with respect to physical education. Asserts that a historical lack of discussions about co-education trivializes today's problems in…

COMPLETED FERTILITY DURING THE TWENTIETH CENTURY: AN EXAMPLE FROM SIX SETTLEMENTS IN NORTHERN GREECE.

Science.gov (United States)

Zafeiris, Konstantinos N; Kaklamani, Stamatina

2018-02-06

This study aimed to delineate temporal trends and differentials of completed fertility and their relationship with some characteristics of the marriage system in specific anthropological populations of northern Greece. The analysis was based on the life history of quinquennial and decennial birth cohorts of married women born in the 20th century who reproduced solely within the settlements studied. The variables studied were: children ever born, mean age of mother at first marriage, mean age of mother at first child (live birth), mean age of mother at last child and reproductive span. The results indicated that there were significant differences in the demographic characteristics of marriage and that there was an ongoing fertility transition in the 20th century in the populations studied. The mechanism of fertility decline was connected with the gradual reduction of the mean age of the mother at last child, the parallel decrease in the mean age at childbearing and a shortening of the reproductive span. Fertility levels at all times maintained a dynamic character imposed by local cultural, economic and social structures, which, in turn, were part of broader national and international structures, in all the populations studied. A strong trend of convergence of fertility levels was observed among the populations studied.

Spatiotemporal drought variability in northwestern Africa over the last nine centuries

Energy Technology Data Exchange (ETDEWEB)

Touchan, Ramzi; Meko, David M. [The University of Arizona, Laboratory of Tree Ring Research, Tucson, AZ (United States); Anchukaitis, Kevin J. [Columbia University, Lamont Doherty Earth Observatory, Palisades, NY (United States); Sabir, Mohamed [National School of Forest Engineering, Sale (Morocco); Attalah, Said [University of Ourgla, Department of Agronomy, Ouargla (Algeria); Aloui, Ali [Institute of Sylvo-pastoral of Tabarka, Tabarka (Tunisia)

2011-07-15

Changes in precipitation patterns and the frequency and duration of drought are likely to be the feature of anthropogenic climate change that will have the most direct and most immediate consequences for human populations. The latest generation of state-of-the-art climate models project future widespread drying in the subtropics. Here, we reconstruct spatially-complete gridded Palmer drought severity index values back to A.D. 1179 over Morocco, Algeria, and Tunisia. The reconstructions provide long-term context for northwest African hydroclimatology, revealing large-scale regional droughts prior to the sixteenth century, as well as more heterogeneous patterns in sixteenth, eighteenth, and twentieth century. Over the most recent decades a shift toward dry conditions over the region is observed, which is consistent with general circulation model projections of greenhouse gas forced enhanced regional subtropical drought. (orig.)

MP3 the meaning of a format

CERN Document Server

Sterne, Jonathan

2012-01-01

Jonathan Sterne shows that understanding the historical meaning of the MP3, the world's most common format for recorded audio, involves rethinking the place of digital technologies in the broader universe of twentieth-century communication history.

American Gadgets: Cybernetics, Consumer Electronics, and Twentieth-Century US Fiction

Science.gov (United States)

Simeone, Michael

2011-01-01

Challenging the argument that liberal humanism faces extinction in the face of ubiquitous digital technologies, my dissertation analyzes the ways in which consumer electronics reinscribe the human subject as a privileged category in the information age. Through spaces like the Matrix, Windows 7, or even the single row of play controls on a…

Gravity, Magnetic and Electromagnetic Gradiometry; Strategic technologies in the 21st century

Science.gov (United States)

Veryaskin, Alexey V.

2018-02-01

Gradiometry is a multidisciplinary area that combines theoretical and applied physics, ultra-low noise electronics, precision engineering, and advanced signal processing. Applications include the search for oil, gas, and mineral resources, GPS-free navigation, defence, space missions, and medical research. This book provides readers with a comprehensive introduction, history, potential applications, and current developments in relation to some of the most advanced technologies in the 21st Century.

Patient-specific surgical simulation.

Science.gov (United States)

Soler, Luc; Marescaux, Jacques

2008-02-01

Technological innovations of the twentieth century have provided medicine and surgery with new tools for education and therapy definition. Thus, by combining Medical Imaging and Virtual Reality, patient-specific applications providing preoperative surgical simulation have become possible.

Socioeducative labor of the Salesian missions in America and Spain in the XIX century and the beginning of XX century

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Vicente LlORENT BEDMAR

2017-12-01

Full Text Available This study aims to highlight the initial labour of the Salesian missions, being one of the most significant religious congregations from the nineteenth century to the present, in the history of America and Spain. It is inevitable stand out their pedagogical-religious milestones, that were developed in both territories by chronological order in the different national contexts. For offering an illustration of their educational impact and social work; we must remember that, from the beginning, the Salesian were worried about the training and education of young people wherever they has spread. So we analyzes the evolution since the arrival of the first Salesians for America (1874 and Spain (1880, until the early twentieth century, still being 3526 in 31 countries, more than half of America. We can argue that the diverse historical, economic, political and cultural aspects of Spain and America, the Salesian had peculiar features in each of these territories. However, both have a common core: the application of preventive educational system and the social integration of young people.

Mining space and industrial heritage in Mexico: the mineral from Tlalpujahua [Michoacán state

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José Alfredo Uribe Salas

2014-12-01

Full Text Available This paper deals with the historical dimension of the economic and social space of Tlalpujahua and El Oro Mining District from the perspective of the Industrial Heritage. The exploration and exploitation in search for precious minerals along the sixteenth to the twentieth centuries articulated a culture of wage labour and facilitated the circulation of new knowledge, technical expertise and an impressive technological innovation in the late nineteenth and early twentieth centuries. With the depletion of gold and silver in the mid-twentieth century, the socio-technical framework disappears but not the memory and industrial vestiges which represents long-term historical processes, and as a social laboratory allows to recognize and analyze the changes in the social relations of different human groups, different nationality and social status — workers, technicians, engineers, businessmen, traders, etc. —, who moved to the minerals in the quest to materialise their own life expectancy. The study and appreciation of the historical and cultural experience ensures the memory of the industrial heritage of Mexicans.

Parenting in today's world – new trends

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Lantsburg M.E.

2016-06-01

Full Text Available The twentieth century marked a number of significant changes in the social development, there have been significant changes in the development of the institution of the family. But if a family crisis was the subject of many articles and books, some new trends with regard to human parenthood paid not much attention. This article provides an overview of foreign and Russian research aimed at ascertaining and understanding appeared in the twentieth century and have been widely used in the twenty-first century phenomena related to parenthood, such as the decline in fertility, the voluntary renunciation of child birth, delaying the birth of their first child, the use of assisted reproductive technologies. The article also presents the results of research carried out under the supervision of the author.

The Scientific Movement: American Education and the Emergence of the Technological Society.

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Nelson, Richard; Watras, Joseph

1981-01-01

A review of the scientific movement in education in the early twentieth century: its origins in the scientific management and industrial efficiency theories of Frederich Taylor; its effects on administrative organization and educational research; and the reactions of its critics, who favored the child-centered school. (SJL)

Infusing the New Technologies Debate with a Socio-Economic Agenda

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Wilson, Bruce

2014-01-01

Dramatic changes occurred in the international economy in the latter part of the twentieth century. CERI, the Centre for Education Research and Innovation at the OECD, was an important contributor to the understanding of the nature and implications of these developments, and in foreshadowing the central policy challenges which would arise. Jarl…

Superconducting accelerator magnet technology in the 21st century: A new paradigm on the horizon?

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Gourlay, S. A.

2018-06-01

Superconducting magnets for accelerators were first suggested in the mid-60's and have since become one of the major components of modern particle colliders. Technological progress has been slow but steady for the last half-century, based primarily on Nb-Ti superconductor. That technology has reached its peak with the Large Hadron Collider (LHC). Despite the superior electromagnetic properties of Nb3Sn and adoption by early magnet pioneers, it is just now coming into use in accelerators though it has not yet reliably achieved fields close to the theoretical limit. The discovery of the High Temperature Superconductors (HTS) in the late '80's created tremendous excitement, but these materials, with tantalizing performance at high fields and temperatures, have not yet been successfully developed into accelerator magnet configurations. Thanks to relatively recent developments in both Bi-2212 and REBCO, and a more focused international effort on magnet development, the situation has changed dramatically. Early optimism has been replaced with a reality that could create a new paradigm in superconducting magnet technology. Using selected examples of magnet technology from the previous century to define the context, this paper will describe the possible innovations using HTS materials as the basis for a new paradigm.

Inertial fusion science and technology for the next century

International Nuclear Information System (INIS)

Campbell, E M; Hogan, W J; Landes, S

1999-01-01

This paper reviews the leading edge of the basic and applied science and technology that use high-intensity facilities and looks at what opportunities lie ahead. The more than 15,000 experiments on the Nova laser since 1985 and many thousands more on other laser, particle beam, and pulsed power facilities around the world have established the new laboratory field of high-energy-density plasma physics and have furthered development of inertial fusion. New capabilities such as those provided by high-brightness femtosecond lasers have enabled the study of matter in conditions previously unachievable on earth. These experiments, along with advanced calculations now practical because of the progress in computing capability, have established the specifications for the National Ignition Facility and Laser MegaJoule and have enhanced new scientific fields such as laboratory astrophysics. Science and technology developed in inertial fusion have found near-term commercial use, have enabled steady progress toward the goal of fusion ignition and gain in the laboratory, and have opened up new fields of study for the 21st century

Formalism in the first half of the twentieth century: ‘pure science’ or a case of effective rhetoric? Mitchell B. Frank and Daniel Adler (eds, German Art History and Scientific Thought – Beyond Formalism, Ashgate, 2012

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Arnold Witte

2012-12-01

Full Text Available German Art History and Scientific Thought – Beyond Formalism discusses the relation between art history and the human and natural sciences in the late nineteenth and early twentieth centuries. All contributions in this volume highlight the way in which this exchange affected art history on a practical and methodological level, but at the same time illustrate how the quest for objectivity and scientific methods was accompanied by an irrational search for essential characteristics of art through race. Especially the exchange with psychology, physiognomy, and psychophysiology supported this kind reasoning in circles in which objectivity was related to holistic explanations. This led to a rhetoric of objective Kunstwissenschaft that spoke in terms of rational facts, but in which the concepts of character and evolution resulted in highly ideological interpretations, which became discredited after 1945. However, the post-war reaction to this in itself again affected another turn towards the ‘objective’ which goes to show how external, political, changes affected the relation between art history and the sciences.

Deweyan Darwinism for the Twenty-First Century: Toward an Educational Method for Critical Democratic Engagement in the Era of the Institute of Education Sciences

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Seltzer-Kelly, Deborah

2008-01-01

Our society's preoccupation with making educational policy and practice "scientific" is attested to by the stated mission of the Institute of Education Sciences: "to provide rigorous evidence on which to ground education practice and policy." Early in the twentieth century, John Dewey also advocated for a vision of education guided by science, and…

Radiation epidemiology: the 'past is prologue' to the twenty-first century

International Nuclear Information System (INIS)

Boice, J.D.

1998-01-01

Although the latter part of the twentieth century has seen major advances in the understanding of radiation effects, there are many questions which remain unanswered. This paper notes the recent advances in radiation epidemiology and discusses the health effects of ionizing radiation from certain occupations, from nuclear exposures (the A-bomb and nuclear accidents), from medical procedures, from radon gas and from environmental radiation. It concludes with a forward look at what the new millennium may bring in terms of improved understanding and clarification of radiation risks, particularly in key areas such as susceptibility and interaction. (author)

How the law is perceived in the 20 th century

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Jarmila Chovancová

2016-07-01

Full Text Available In this essay the author reflects connection between iusnaturalism and positivism. Dominant discussion is understanding law and morality which represents neverending story. The article analyzes positive law in  20th century represented by H.L. A Hart and natural law development by L.L. Fuller and R. Alexy. Twentieth century can be called a period during which natural law has been shifted towards more positivism within the natural law. Jural positivism can be understood as a doctrine based on the Bentham´s utilitarism which didn´t accept other normative systems to be involved into concept of law. Prominent representatives of this theory have completely excluded moral content of the legal standards and they consider these to be irrelevant for the validity of the law. According to them evaluating standards through moral criteria is not appropriate because this brings chaos into the jural thinking. Methodology: This essay using from methodology methods of comparation, especially positive law represented by H.L.A. Hart and natural law represented by LL.Fuller, R. Alexy in the20th century and also analyzing connection between law and morality.

Elementary School Teachers' Beliefs about the Role of Technology in 21st-Century Teaching and Learning

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O'Neal, LaToya J.; Gibson, Philip; Cotten, Shelia R.

2017-01-01

Technological advancements have led to changes in the expectations placed on K-12 teachers. Teachers are now expected to better equip students with 21st-century skills, making it important to understand teachers' beliefs about the role of technology in teaching and learning and the skills their students need to be successful. Using a qualitative…

Nineteenth-century urbanization as sacred process: insights from German Strasbourg.

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Steinhoff, Anthony J

2011-01-01

This article examines a crucial site for modernity’s encounter with religion during the long nineteenth century, albeit one largely ignored both by religious and urban historians: the modern big city. Drawing on evidence from Strasbourg, which joined the ranks of Germany’s big cities soon after the Franco-Prussian War, it points out first, that urbanization had a significant urban dimension. It altered the absolute and relative size of the city’s faith communities, affected the confessional composition of urban neighborhoods, and prompted faith communities to mark additional parts of the urban landscape as sacred. Second, while urban growth—both demographic and physical—frequently challenged traditional understandings of religious community, it also facilitated the construction of new understandings of piety and community, especially via voluntary organizations and the religious media. Thereby, urbanization emerged as a key force behind sacralization in city and countryside as the nineteenth century ended and the twentieth began.

"A model co-operative country": Irish-Finnish co-operative contacts at the turn of the twentieth century

DEFF Research Database (Denmark)

Hilson, Mary

2017-01-01

Agricultural co-operative societies were widely discussed across late nineteenth-century Europe as a potential solution to the problems of agricultural depression, land reform and rural poverty. In Finland, the agronomist Hannes Gebhard drew inspiration from examples across Europe in founding the...... that even before the First World War it was Finland, not Ireland, that had begun to be regarded as ‘a model co-operative country’....... between Irish and Finnish co-operators around the turn of the century, and examines the ways in which the parallels between the two countries were constructed and presented by those involved in these exchanges. I will also consider the reasons for the divergence in the development of cooperation, so...

The Scientific Underpinning of Lean Six Sigma

NARCIS (Netherlands)

Does, R.J.M.M.; de Mast, J.; de Koning, H.; Bisgaard, S.

2007-01-01

The twentieth century saw an incredible development of professional organizations. The impact of technological advances is obvious, but besides these, innovations in management structures and methods have resulted in the highly productive organizations of today. Lean Six Sigma is not revolutionary.

Soundscapes and ethnographies of silence: An introduction

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Franco Lai

2017-12-01

Full Text Available In this article I propose a reading of soundscape studies along three dimensions: the relevance of the soundscape in the historical context, the transformations of soundscapes in the twentieth century, the soundscape of sub-professional musical cultures. Beginning from R.M. Schafer’s (1977 and S. Feld’s (2009 researches, I show that studies concerning soundscapes have revealed institutional and political relevance of sound. In addition, I show how soundscape has changed in relation to broader social, economic and technological developments during the twentieth century. At last, I show how the city represents a favourable environment for production and circulation of new cultural forms, that become emblematic of cities sound.

Micro-electro-mechanical systems (MEMS: Technology for the 21st century

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Đakov Tatjana A.

2014-01-01

Full Text Available Micro-electro-mechanical systems (MEMS are miniturized devices that can sense the environment, process and analyze information, and respond with a variety of mechanical and electrical actuators. MEMS consists of mechanical elements, sensors, actuators, electrical and electronics devices on a common silicon substrate. Micro-electro-mechanical systems are becoming a vital technology for modern society. Some of the advantages of MEMS devices are: very small size, very low power consumption, low cost, easy to integrate into systems or modify, small thermal constant, high resistance to vibration, shock and radiation, batch fabricated in large arrays, improved thermal expansion tolerance. MEMS technology is increasingly penetrating into our lives and improving quality of life, similar to what we experienced in the microelectronics revolution. Commercial opportunities for MEMS are rapidly growing in broad application areas, including biomedical, telecommunication, security, entertainment, aerospace, and more in both the consumer and industrial sectors on a global scale. As a breakthrough technology, MEMS is building synergy between previously unrelated fields such as biology and microelectronics. Many new MEMS and nanotechnology applications will emerge, expanding beyond that which is currently identified or known. MEMS are definitely technology for 21st century.

The decline of the Chinese Council of Batavia : the loss of prestige and authority of the traditional elite amongst the Chinese community from the end of the nineteenth century until 1942

NARCIS (Netherlands)

Erkelens, Monique

2013-01-01

This dissertation examines the administrative, political and social developments in the twentieth century that challenged the traditional system of Chinese community leadership in Batavia. To offer full scope for the analysis of these developments, which had far-reaching implications for the elite

A history of the ideas of theoretical physics essays on the nineteenth and twentieth century physics

CERN Document Server

D’Agostino, Salvo

2000-01-01

This book presents a perspective on the history of theoretical physics over the past two hundreds years. It comprises essays on the history of pre-Maxwellian electrodynamics, of Maxwell's and Hertz's field theories, and of the present century's relativity and quantum physics. A common thread across the essays is the search for and the exploration of themes that influenced significant con­ ceptual changes in the great movement of ideas and experiments which heralded the emergence of theoretical physics (hereafter: TP). The fun. damental change involved the recognition of the scien­ tific validity of theoretical physics. In the second half of the nine­ teenth century, it was not easy for many physicists to understand the nature and scope of theoretical physics and of its adept, the theoreti­ cal physicist. A physicist like Ludwig Boltzmann, one of the eminent contributors to the new discipline, confessed in 1895 that, "even the formulation of this concept [of a theoretical physicist] is not entirely without...

On the Music of Sounds and the Music of Things (EMS2017, Nagoya, Japan)

OpenAIRE

Richards, John; Landy, Leigh

2017-01-01

After a century of great upheaval in music, the twenty-first century is demonstrating that it will provide electroacoustic (or sound-based) music with continued radical developments although they may very well be of a different sort. Technological developments certainly dictated most of the twentieth century changes in music and this influence is in no way decreasing. The key change is less in terms of radical change regarding content; instead, our thesis is that production and distribution w...

Biography as an Art: Selected Criticism 1560-1960.

Science.gov (United States)

Clifford, James L., Ed.

Forty-seven essays from five centuries of writings on biography are contained in this book. Selections are arranged under the following headings: "Before 1700" (9 selections), "The Eighteenth Century" (5), "The Nineteenth Century" (11), "Early Twentieth Century" (14), and "Mid-Twentieth Century" (8). Authors range from Francis Bacon to Leon Edel.…

Das Unsichtbare sichtbar machen. Zum vergessenen Beitrag der alten deutschen Frauenbewegung zur Wohn- und Siedlungsreform im frühen 20. Jahrhundert Making the Invisible Visible—On a Forgotten Contribution to the Early German Women’s Movement: Housing Reform at the Beginning of the Twentieth Century

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Claudia Wucherpfennig

2007-03-01

Full Text Available Der Wohnungs- und Städtebau der Moderne gilt weitgehend als eine „Männerdomäne”. In ihrer Schrift Die Wohnungsfrage ist Frauensache! zeigen Ulla Terlinden und Susanna von Oertzen demgegenüber die vielfältigen und einflussreichen Beiträge der alten deutschen Frauenbewegung zur Wohnungsreform des frühen 20. Jahrhunderts und zum Neuen Bauen auf.The building of apartments and cities in modernity is seen often as a “male domain.” In the text The Apartment Question is Women’s Work! (Die Wohungsfrage ist Frauensache!, Ulla Terlinden and Susanna von Oertzen present the multiple and influential contributions of the early German women’s movement to housing reform at the beginning of the twentieth century as well as to Neues Bauen, an architectural style of the 1920s.

SOCIAL CHANGE – BETWEEN THE CLASSICAL SOCIOLOGICAL PERSPECTIVES AND THE SOCIOLOGICALTHEORIES IN THE XXTH CENTURY

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Gabriela MOTOI

2017-10-01

Full Text Available In this article we have presented the most important theories about social change from the perspective of comparative analysis (XIXth and XXth century. Thus, in the first part of the article, we have presented the classical perspectives on social change, which belong to some famous sociologists from the XIXth century, Who have approached this issue: Auguste Comte, Emile Durkheim, Alexis de Tocqueville, Max Weber, or Karl Marx. The common point of these theories is that they all understand social change as a social progress. This idea is no longer found in the twentieth century, where the theoretical approaches to social change are equally varied. Thus, the second part of the article presents the theories of change from four sources: the ‘Chicago School’ (William Ogburn and William I. Thomas; the neo-evolutionary theory of Robert Nisbet; the French Sociology perspective (Pierre Bourdieu and Raymond Boudon and, finally, a more actual perspective, that of Anthony Giddens.

Innovative Features of Comparative-Historical Research of European and Azerbaijani Cultural Heritage (Based on the Materials of British and Azerbaijani Literature of the XX Century)

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Eugster, Nicolas; Hasanov, Elnur L.

2016-01-01

The beginning of the twentieth century is characterized as a period of formation of literary prose in Azerbaijan literature, which reminds already formed a new type of British prose. These new development trends appeared in plot, content, style, the world of characters, artistic-philosophical thought as well as in narrative features. The genre of…

Landmarks in the historical development of twenty first century food processing technologies.

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Misra, N N; Koubaa, Mohamed; Roohinejad, Shahin; Juliano, Pablo; Alpas, Hami; Inácio, Rita S; Saraiva, Jorge A; Barba, Francisco J

2017-07-01

Over a course of centuries, various food processing technologies have been explored and implemented to provide safe, fresher-tasting and nutritive food products. Among these technologies, application of emerging food processes (e.g., cold plasma, pressurized fluids, pulsed electric fields, ohmic heating, radiofrequency electric fields, ultrasonics and megasonics, high hydrostatic pressure, high pressure homogenization, hyperbaric storage, and negative pressure cavitation extraction) have attracted much attention in the past decades. This is because, compared to their conventional counterparts, novel food processes allow a significant reduction in the overall processing times with savings in energy consumption, while ensuring food safety, and ample benefits for the industry. Noteworthily, industry and university teams have made extensive efforts for the development of novel technologies, with sound scientific knowledge of their effects on different food materials. The main objective of this review is to provide a historical account of the extensive efforts and inventions in the field of emerging food processing technologies since their inception to present day. Copyright © 2017 Elsevier Ltd. All rights reserved.

From a homemade to an industrial product : manufacturing Bulgarian yogurt

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Stoilova, E.R.

2013-01-01

Changes in yogurt production in the first half of the twentieth century were related to the transformation of dairy manufacturing through the incorporation of science and technology into the production process. The modernization of the dairy industry affected yogurt, which Bulgarians considered a

The Role of VET in the Entrepreneurial Ecosystem

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Scott-Kemmis, Don

2017-01-01

In the context of ongoing globalisation and faster technological change, economies are becoming more entrepreneurial and more knowledge-intensive. Entrepreneurial economies and societies require institutions, organisations, regulations and relationships different from those of the industrial societies of the late twentieth century. Consequently,…

Exploring subluminous X-ray binaries

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Degenaar, N.D.

2010-01-01

Halfway the twentieth century, technological developments made it possible to carry detection instruments outside the absorbing layers of the Earth’s atmosphere onboard rockets and satellites. This opened up the opportunity to detect the emission from celestial objects at X-ray wavelengths, thereby

The Next Frontier in Making Disciples: 21st-Century Technology Use in CCCU Member Institutions

Science.gov (United States)

Boden, Karen E.

2012-01-01

An unprecedented opportunity exists for Christian colleges and universities to utilize 21st-century technology and the impact of globalization to broaden the use of distance learning for missional purposes through their educational offerings. Some institutions offer open education that allows those with Internet access to take courses at no cost…

Urban industry of the Samara province in the second half of the nineteenth century

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Julia V. Korneeva

2016-09-01

Full Text Available The second half of the XIX century in Russian history is a period of modernization of almost all aspects of national life, including industry. By the modernization processes of the second half of the XIX century belong urbanization, industrialization, bureaucratization et al. Samara province during the period belongs to the vast provinces of European Russia and at the end of the XIX century has an economically developed province of the Middle Volga. Agriculture ranks first place in the economic development of the Samara province, therefore industrial production is subject to the processing of agricultural and livestock products. In the second half of the twentieth century on the territory of the Samara province were industrial company, which were at different stages of economic development in the form of property and on the organization of manufacture. By the end of the XIX century, the level of industrial production is much higher than the pre-reform figures, but still inferior to agriculture. During the study period in the Samara province formed the main directions of the region's industry, such as of animal products (skinner, plants furnace animal fat, plant products (churn factory, and conversing minerals (brickyard. The growth and size of cities has determined the pace and scope of development of the industry.

Crítica social e idéias médicas nos excessos do desejo: uma análise dos "romances para homens" de finais do século XIX e início do XX Social criticism and medical ideas on desires' excesses: a study of "novels for men" from late nineteenth to early twentieth century

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Alessandra El Far

2007-06-01

Full Text Available Este artigo procura analisar a produção literária pornográfica desde a segunda metade do século XIX até o início do XX no Brasil. Também conhecidos como "leitura para homens" ou "romances para homens", esses enredos alcançaram uma repercussão singular naquele período. Se, em um primeiro momento, essas narrativas, repletas de fantasias e desejos, tratavam de questões sociais e políticas, com a chegada do novo século, de modo evidente, elas passaram a estabelecer um estreito diálogo com as teorias médicas e científicas da época.This article analyses the pornographic literature from the second half of the nineteenth century until the beginning of the twentieth century in Brazil. Also known as "reading for men" or "novels for men", these plots reached a singular repercussion at the time. If at first these stories, full of fantasies and desires, talked about both social and political issues, with the coming of the new century they clearly started to establish a close dialogue with current medical and scientific theories.

Architectural and Archeological Investigations in and Adjacent to the Bywater Historic District, New Orleans, Louisiana

Science.gov (United States)

1994-10-01

twentieth century and two early twentieth century trash deposits. Mississippi River Bridge Pier 4 Beavers and Lamb (1980) conducted a Phase I/Level 11...frequency of ceramic holloware. Both occupations exhibited relatively high frequencies of holloware, suggesting a diet high In stews , soups, and pottages...Important ones Include: portions of an early twentieth century neighborhood along the upriver edge of Algiers (Beavers and Lamb 1980); this study provided

Enduring Visions of Instruction in Academic Libraries: A Review of a Spirited Early Twentieth-Century Discussion

Science.gov (United States)

Gunselman, Cheryl; Blakesley, Elizabeth

2012-01-01

Some of the most enduring, and engaging, questions within academic librarianship are those about students and research skills. The vocabulary employed for discussion has evolved, but essential questions--what skills do students need to be taught, who should teach them, and how?--have persisted from the nineteenth century into the twenty-first.…

An Interdisciplinary Approach for Biology, Technology, Engineering and Mathematics (BTEM to Enhance 21st Century Skills in Malaysia.

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Lee Chuo Hiong

2015-07-01

Full Text Available An interdisciplinary approach for Biology, Technology, Engineering and Mathematics (BTEM is suggested to develop 21st century skills in the Malaysian context. BTEM allows students to master biological knowledge and at the same time to be adroit in other sub discipline skills. Students master factual knowledge of biology and skills of the 21st century simultaneously. The two main teaching and learning strategies applied in BTEM are problem-based learning and inquiry-based learning. Students are exposed to real world problems that require them to undergo inquiry processes to discover the inventive solutions. The content knowledge of biology adheres to the Malaysian Integrated Curriculum for Secondary Schools. The essence of engineering is inventive problem solving. Incorporation of information communication technologies in teaching and learning will be able to fulfil the needs of the current Net Generation. Mathematics plays an important role as computational tools, especially in analysing data. The highlighted 21st century skills in BTEM include digital literacy, inventive thinking, effective communication, high productivity, and spiritual and noble values.

Louis Figuier translated in Brazil: science popularizers in the last quarter of 19th century

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Kaori Kodama

2017-06-01

Full Text Available This article aims to address aspects of the history of the divulgation of sciences in Brazil in the nineteenth century, through the analysis of the circulation of some translations into Portuguese of the works of French popularizer of science, Louis Figuier. His works, which were translated to different languages, received editions in Brazil and Portugal since late 1860. During this period, a model of popularization of science for non-specialists - working class, women and youth - with emphasis on applied science was gaining terrain. However, this model was also marked by limitations and discontinuities that reflect social issues in the passage to the twentieth century. This paper attempts to highlight the role of translators and editors, understood as mediators of science, whose projects of social reform was primarily focused in popular instruction.

The PATT 26 conference Stockholm, Sweden 26–30 June 2012 : Technology Education in the 21st Century

OpenAIRE

2012-01-01

PATT 26 will be held at the Royal Institute of Technology (KTH) in Stockholm, the beautiful capital of Sweden. The PATT 26 conference is part of a two-conference arrangement organized by the Royal Institute of Technology and the Centre for School Technology Education, CETIS, Linköping University, under the common heading Technology Education in the 21st Century. We hereby welcome international colleagues to this golden opportunity to share and learn more about the latest on-going and complete...

Nuclear power reactors worldwide: Technology developments, diffusion patterns, and country-by-country analysis of implementation (1951-2017)

OpenAIRE

Wealer, Ben; Bauer, Simon; Landry, Nicolas; Seiß, Hannah; von Hirschhausen, Christian R.

2018-01-01

Nuclear energy is among the most important innovations of the twentieth century, and it continues to play an important role in twenty-first century discussions. In particular, there is a debate about the potential contribution of nuclear power to policies of climate change mitigation and energy security in both, industrialized and emerging countries. In this context, many existing nuclear countries, and others considering entering the sector, are facing questions of how to structure organizat...

New Technologies as a Tool for Changing Academic Communities in the Global Context

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Jankowska, Dorota; Tanas, Maciej

2016-01-01

It has been defined that knowledge society emerges at the end of the twentieth century as the socio-economic structure characteristic for developed societies in which unlike in industrial societies, the dominant sector of economy is services and the largest social group is the "men of knowledge". It has been indicated that the…

American Hegemony and Creative Destruction

DEFF Research Database (Denmark)

Nye, David

2008-01-01

Lead Essay in this issue of the Underhill Review. A comparison of the fields of the history of technology and business history, with special reference to the work of Thomas McCaw and Carroll Pursell, and their readings of twentieth century US history Udgivelsesdato: fall...

Clio’s talkative daughter goes digital

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S. Scagliola (Stef); F.M.G. de Jong (Franciska)

2014-01-01

markdownabstract__Abstract__ The introduction of the recording device at the beginning of the twentieth century not only marked a major transition in communication technology, but also paved the way for a revaluation of the oral account in Western historiography. With the rise of early

The Ambivalence of a Port-City. The Jews of Trieste from the 19th to the 20th Century

OpenAIRE

Tullia Catalan

2011-01-01

This article stems from a key question: was Habsburg Trieste truly a cosmopolitan and tolerant city? Building upon the interpretative category of "port Jews", established by David Sorkin and Lois C. Dubin, this study examines the social, economic and political behaviour of the Triestine Jews in the nineteenth- and early twentieth-centuries, and conducts a comparison with the other religious minorities present in the Adriatic port during this period: Greeks, Protestants, Serbians and Armenians...

The quest to be "modern": The adoption of electric light, heat, and power technology in small-town America, 1883-1929

Science.gov (United States)

Hellrigel, Mary Ann

This dissertation is a social, business, and technological history of electrification in the United States. It examines the origins of the electric utility industry, the development of light, heat and power technology, the marketing of electric service, and the adoption of electricity and domestic appliances in the late nineteenth and early twentieth centuries in two communities: Harrisburg and West Chester, Pennsylvania. Beginning in the 1880s, manufactured gas and electric utilities waged an intense and lengthy battle for the urban energy marketplace. Many villages, small towns and big cities had multiple gas and electric companies, driving technological change as they worked to increase reliability, lower costs, and improve lamps, lighting fixtures, and appliances. Producers as well as consumers grappled with these new sources of energy, looking for profitable and practical ways to incorporate them into everyday life. Gas and utility executives, locked in head-to-head competition, realized that marketing their invisible product was an uncertain process. Utilities redefined the concepts of "tradition" and "modernity" to attract investors and offer appliances and installation in addition to selling energy. Upper and middle class households seeking a modern comfortable home could use gas or electricity (and often both), while working classes made do with kerosene, coal and wood. Mixed technologies, based on consumer preference, access, product availability, price, and service greatly influenced the creation of "modern" America. Initially, Pennsylvania law mandated local energy systems-electricity and gas had to be consumed within the same town. Only in the early twentieth century were these laws amended to permit inter-connections, allowing merger and consolidation of utilities to serve a wider geographic area. By the 1910s, law, technology, and capital made it possible to abandon local central stations. In only a few decades, the industry shifted from locally

Market opportunities for advanced sensor technologies arising from the need to protect the environment

International Nuclear Information System (INIS)

Bogue, R.W.

1991-01-01

This paper reports on awareness that the processes that sustain the wealth of the world's industrialized nations that are themselves responsible for the greatest environmental damage, has led to an urgent reappraisal of many aspects of late twentieth-century life. It is clear that vital functions such as transport, power generation, agriculture and energy consumption must be adapted and developed so as to continue to meet the users' needs, yet comply with ever more stringent legislation and public demands for a healthy environment. This will involve all manner of practices that reduce the use and release of environmentally hazardous materials, but it is inconceivable that all such emissions and discharges will ever be eliminated totally. Thus, there is a growing need for technologies that can control environmentally hazardous materials at source and monitor their presence in the external environment. It is in this capacity that new and improved sensor technologies will play a critical role

Water Science and Technology Board Annual Report 2001-2002

Energy Technology Data Exchange (ETDEWEB)

None, None

2002-10-01

This annual report marks the twentieth anniversary of the Water Science and Technology Board (WSTB) (1982-2002). The WSTB oversees studies of water issues. The principal products of studies are written reports. These reports cover a wide range of water resources issues of national concern. The following three recently issued reports illustrate the scope of the WSTB's studies: Envisioning the Agenda for Water Resources Research in the Twenty-first Century. The Missouri River Ecosystem: Exploring the Prospects for Recovery, and Assessing the TMDL Approach to Water Quality Management. The WSTB generally meets three times each year where discussions are held on ongoing projects, strategic planning, and developing new initiatives. The meetings also foster communication within the water resources community. The annual report includes a discussion on current studies, completed studies 2001-2002, and future plans, as well as a listing of published reports (1983-2002).

Engine technology challenges for a 21st century high speed civil transport

Science.gov (United States)

Shaw, Robert J.

1991-01-01

Recent NASA funded studies by Boeing and Douglas suggest an opportunity exists for a 21st Century High Speed Civil Transport (HSCT) to become part of the international air transportation system. However, before this opportunity for high speed travel can be realized, certain environmental and and economic barrier issues must be overcome. These challenges are outlined. Research activities which NASA has planned to address these barrier issues and to provide a technology base to allow U.S. manufacturers to make an informed go/no go decision on developing the HSCT are discussed.

Twentieth Century Internationalism in Law

DEFF Research Database (Denmark)

Spiermann, Ole

2007-01-01

, i.e., doubt and insecurity about international law and its basis. Rather than facilitating international law as a practical discipline, a superfi cial understanding of internationalism reinforced fetishisms of the discipline's theoretical past, not least the axiom that states only are proper...

Revolutions in twentieth-century physics

CERN Document Server

Griffiths, David J

2013-01-01

The conceptual changes brought by modern physics are important, radical and fascinating, yet they are only vaguely understood by people working outside the field. Exploring the four pillars of modern physics – relativity, quantum mechanics, elementary particles and cosmology – this clear and lively account will interest anyone who has wondered what Einstein, Bohr, Schrödinger and Heisenberg were really talking about. The book discusses quarks and leptons, antiparticles and Feynman diagrams, curved space-time, the Big Bang and the expanding Universe. Suitable for undergraduate students in non-science as well as science subjects, it uses problems and worked examples to help readers develop an understanding of what recent advances in physics actually mean.

A Twentieth Century Morality Play.

Science.gov (United States)

Pallenik, Michael

1978-01-01

Criticizes Erving Goffman's theory that human gestures express cultural assumptions which, in turn, legitimize social structure. Contends that Goffman blurs the distinction between his own observations as a social scientist and the interpretations of behavior by people within social situations. (JMF)

From antiquity to Olympic revival: sports and Greek national historiography (nineteenth-twentieth centuries).

Science.gov (United States)

Koulouri, Christina

2010-01-01

This study investigates the evolution of the historiography of Greek sport from the foundation of the Greek state (1830) until 1982 and its links with Greek national history, which also took shape primarily during the nineteenth century. The gradual 'nationalisation' of sport as an element of Greek national character since antiquity corresponded to changes in perceptions of the national past reflected in historiography. The ancient Olympic Games, Byzantine contests and exercises, the competitions of the klephts and armatoloi (militia soldiers) during the Ottoman rule and the modern revival of the Olympic Games were all successively integrated in a national history of sport confirming national continuity and unity. However this particular genre of national historiography did not gain academic recognition until recently. The authors of histories of physical exercise and sport were amateurs or physical education instructors and could not ensure to their work the authority of a separate discipline.

[Malaria in pictures: images from Brazil's public health campaigns in the first half of the twentieth century].

Science.gov (United States)

Hochman, Gilberto; Mello, Maria Teresa Bandeira de; Santos, Paulo Roberto Elian dos

2002-01-01

The article discusses a set of pictures that illustrate public health activities, practices, and campaigns against malaria in Brazil from 1918 through 1956. Exemplary of certain key moments in this history, the illustrations belong to three archives from the Casa de Oswaldo Cruz/Fundação Oswaldo Cruz collection: Arquivo Belisário Penna, Arquivto Fundação Rockefeller ("Serviço de Malária do Nordeste" series), and Arquivo Rostan Soares. The article links these photographic records to their specific historical-public health contexts and to the campaign models and strategies represented by each archive. It also draws relations with the 20th -century history of the photographic medium itself. It is argued that these images of malaria constitute prime sources in constructing a visual history of the disease in 20th -century Brazil and of the country's public health history.

Transition of wind power utilization technology in the 20th century; 20 seiki ni okeru furyoku riyo gijutsu no hensen

Energy Technology Data Exchange (ETDEWEB)

Ushiyama, I. [Ashikaga Inst. of Tech., Tochigi (Japan)

2000-04-01

Windmills are one of the oldest prime movers and have been used for more than 700 years in Europe. The transition from low speed windmills for grain grinding and water pumping to high speed wind turbines for electric power generation had occurred at the end of 19{sup th} century. This paper, at first, reviews the windmill technologies and the researchers before 20th century. Then describes the back ground of how the wind power generator has existed and how the four pioneers developed their wind power generator. The historical developments of windmills to wind turbines in this century are studied focusing mainly on Danish activities. Then, the effort of the development of large wind turbine such as Smith-Putnum's first MW machine in U.S.A. and other mammoth machine concept are introduced. The new concept machines such as Savonius and Darrieus wind turbines in 1920s to 1930s are also explained. Finally, the novel technologies of wind turbine covering larger machines, variable speed generators, special wing sections for wind turbines, theoretical analysis method of wind turbine performance, offshore wind turbines, and wind turbine control technologies are stated. (author)

Las revistas de empresa en España: algunos ejemplos de house organ desde principios del siglo XX / House Organ in Spain: some examples from the early twentieth century

Directory of Open Access Journals (Sweden)

Jesús Reina Estevez

2015-11-01

Full Text Available Sobre los house organ o revista de empresa parece haberse escrito muy poco y siempre desde su dimensión técnica, obviando su evolución histórica. Pese a ser una técnica con fuerte tradición en otros países como EEUU, Inglaterra o Francia desde finales del siglo XIX, en España su estudio ha pasado casi desapercibido. El principal objetivo de esta investigación es encontrar algunas manifestaciones de este instrumento en las organizaciones patrias desde principios del pasado siglo XX, para confeccionar una lista de ejemplos reales sin carácter exhaustivo. Para alcanzar los resultados se parte de una revisión bibliográfica de las primeras obras sobre publicidad que se publicaron en nuestro país, que dará lugar al estudio de los manuales sobre relaciones públicas que se han editado posteriormente. Esta metodología se completa con la consulta a hemerotecas y las, comúnmente conocidas, como librerías de viejo o librerías de segunda mano, donde a día de hoy se atesoran algunos ejemplares de house organ que han sobrevivido al paso del tiempo. / It´s have written about house organ very little and always from technical dimension, ignoring the historical evolution. Despite being a technique with a strong tradition in other countries like USA, England or France since the late nineteenth century, in Spain study it has gone unnoticed until now. The main objective of this research focuses on finding some manifestations of this instrument in the patriotic organizations since the beginning of the twentieth century, to compile a list of real examples without limitation. To achieve results is part of a literature review of the first works on advertising that were published in our country that will lead to the study of public relations manuals that have been subsequently released. This methodology is supplemented by consulting newspaper archives and used bookstores, where today some specimens of house organs have survived the passage of time.

THE APOLOGETIC CONCERN IN THE WORK OF BIBLICAL THEOLOGIANS OF THE KIEV THEOLOGICAL ACADEMY FROM THE END OF THE NINETEENTH TO THE BEGINNING OF THE TWENTIETH CENTURY (THE PROBLEM OF FINDING COMMON GROUND FOR THEOLOGICAL AND SCIENTIFIC THOUGHT

Directory of Open Access Journals (Sweden)

Sergey Golovashchenko

2013-06-01

Full Text Available The author examines the relationship between scientific and theological components in a selection of the works of well-known Biblical scholars active at the Kiev Theological Academy around the turn of the nineteenth century and the begin ning of the twentieth. Among them figure the names of F. J. Pokrovsky, V. P. Rybinsky, D. I. Bogdashevsky, and Father A. A. Glagolev. The work of these experts has been little studied until today. The spiritual, intellectual, and ideological context of the time has been taken into account by the author. The author of this article pays special attention to the ideological background surrounding the polemic between Russian Orthodox biblical scholars and those proponents of the negative school of biblical exegesis. The focus is on several key elements of understanding the Bible, the research and exposition of biblical history, as well as points of dogmatic and moral import stemming from an interpretation of the scriptures. The author demonstrates that the position of the Kievan biblical scholars was apologetic, contrasting the theological and scientific schools against the background of a more than positivistic understanding of history and the Bible seen as the sacred scripture of the Church. In this way, they contributed to academic research, and the way of teaching the scriptures of the schools, as well as the exposition of the scriptures for the purpose of dogmatic and moral enlightenment. At the same time, they began the process of working towards a synthesis as an approach for further scientific and theological research. Important for the continuing development of Russian Orthodox biblical studies during the twentieth century was finding a balance between Orthodox biblical apologetics and scientific thought . This attempt at re-discovering and reconstructing the apologetic atmosphere of the Kievan biblical scholars was made possible through a combination of several factors — one of the most important being

[A nosology for supernatural phenomena and the construction of the 'possessed' brain in the nineteenth century].

Science.gov (United States)

Goncalves, Valeria Portugal; Ortega, Francisco

2013-06-01

At the end of the twentieth century, supernatural phenomena such as so called trances and possession by spirits received a scientific classification, which includes the numerous diagnoses of the dominant psychiatry. At the end of the nineteenth century we can observe a process of scientific categorization of phenomena considered to have originated in superstition or popular imagination. In this work we show how trances and spiritual possession were studied by Franz Anton Mesmer and his followers when developing the concept of magnetism; by James Braid during the creation of his theory of hypnosis; and by Jean Martin Charcot, which marked the entry of hysteria into nosological classification. Despite the differences between these schools, we identify the use of the brain and cerebral metaphors as the foundation of theories of the mind.

The migratory bird treaty and a century of waterfowl conservation

Science.gov (United States)

Anderson, Michael G.; Alisauskas, Ray T.; Batt, Bruce D. J.; Blohm, Robert J.; Higgins, Kenneth F.; Perry, Matthew; Ringelman, James K.; Sedinger, James S.; Serie, Jerome R.; Sharp, David E.; Trauger, David L.; Williams, Christopher K.

2018-01-01

In the final decades of the nineteenth century, concern was building about the status of migratory bird populations in North America. In this literature review, we describe how that concern led to a landmark conservation agreement in 1916, between the United States and Great Britain (on behalf of Canada) to conserve migratory birds shared by Canada and the United States. Drawing on published literature and our personal experience, we describe how subsequent enabling acts in both countries gave rise to efforts to better estimate population sizes and distributions, assess harvest rates and demographic impacts, design and fund landscape-level habitat conservation initiatives, and organize necessary political and regulatory processes. Executing these steps required large-scale thinking, unprecedented regional and international cooperation, ingenuity, and a commitment to scientific rigor and adaptive management. We applaud the conservation efforts begun 100 years ago with the Migratory Bird Treaty Convention. The agreement helped build the field of wildlife ecology and conservation in the twentieth century but only partially prepares us for the ecological and social challenges ahead. 

Late-Eighteenth-Century Precipitation Reconstructions from James Madison's Montpelier Plantation.

Science.gov (United States)

Druckenbrod, Daniel L.; Mann, Michael E.; Stahle, David W.; Cleaveland, Malcolm K.; Therrell, Matthew D.; Shugart, Herman H.

2003-01-01

This study presents two independent reconstructions of precipitation from James Madison's Montpelier plantation at the end of the eighteenth century. The first is transcribed directly from meteorological diaries recorded by the Madison family for 17 years and reflects the scientific interests of James Madison and Thomas Jefferson. In his most active period as a scientist, Madison assisted Jefferson by observing the climate and fauna in Virginia to counter the contemporary scientific view that the humid, cold climate of the New World decreased the size and number of its species. The second reconstruction is generated using tree rings from a forest in the Montpelier plantation and connects Madison's era to the modern instrumental precipitation record. These trees provide a significant reconstruction of both early summer and prior fall precipitation. Comparison of the dendroclimatic and diary reconstructions suggests a delay in the seasonality of precipitation from Madison's era to the mid-twentieth century. Furthermore, the dendroclimatic reconstructions of early summer and prior fall precipitation appear to track this shift in seasonality.

The secret tourism in the 21st century - a decade of geocaching in Poland

Directory of Open Access Journals (Sweden)

Mariusz Samołyk

2017-07-01

Full Text Available People travel from the beginning of existence in search of hunting grounds, fresh water, shelter or wealth. The beginnings of tourism and travel for pleasure fall on the nineteenth century. Safari trips, conquering mountain peaks, transatlantic cruises and trips to health resorts are the beginning of tourism. In the twentieth century the decrease of the costs of car, rail and air travel intensified tourism phenomenon (mainly by the availability to the less well-off people. The concept of tourism in the twenty-first century took on a new meaning. Today there are many different activities that focus on experiencing particular sensation or impression. Surprising forms of tourism in the future will continue to surprise. New trends become more and more popular. All kinds of tourism: extreme (including adventure racing, ski-mountaineering, caving thematic (eg. cemetery, wine, culinary tourism and religious are based on the need of stimulation. The specific form of tourism is geocaching, which is a mobile game based on GPS location and which consists of hiding and finding containers placed anywhere. Participants create a geographically dispersed community that contact mainly via mobile technologies and Web 2.0. They spend time outdoors in search for the treasure. In geocaching it is primarily important to find containers, but also the new ways of hiding them, sharing experience and perception of the environment are promoted. Due to the nature of this form of tourism (including leaving the containers for the next treasure seekers the participants are trying to keep their way of exploring in secret. Wishing to recognize the reasons for choosing this form of tourism and to know the profiles of geocechers, a survey of 743 users of two most popular geocaching portals in Poland was conducted

Developing Enterprise Architectures to Address the Enterprise Dilemma of Deciding What Should Be Sustained versus What Should Be Changed

Science.gov (United States)

Harrell, J. Michael

2011-01-01

Enterprise architecture is a relatively new concept that arose in the latter half of the twentieth century as a means of managing the information technology resources within the enterprise. Borrowing from the disciplines of brick and mortar architecture, software engineering, software architecture, and systems engineering, the enterprise…

The impact of motor-vehicles in Africa in the twentieth century : towards a socio-historical case study

NARCIS (Netherlands)

Gewald, J.B.

2005-01-01

The introduction of the motor vehicle into Africa during the course of the 20th century led to far-reaching and complex transformations of African economies, politics, societies and cultures. Through African agency the motor vehicle transformed all aspects of African life. Until now no systematic

Lunching under the Goya. Jewish Collectors in Budapest at the Beginning of the Twentieth Century

Directory of Open Access Journals (Sweden)

Konstantin Akinsha

2011-10-01

Full Text Available The article is dedicated to the passion for art collecting which was in vogue among the representatives of the Jewish haute bourgeoisie of Budapest in the beginning of the 20th century. In the center of investigation is the collection of Baron Mór Lipót Herzog who not only became one of the leading art collectors of Budapest but influenced the development of the European artistic taste. The Jewish industrialist and banker plaid instrumental role in the rediscovery and popularization of El Greco.

Women’s Activism and Innovation in Education: the Role of the Unione Femminile Nazionale in Sicily for the Transformation of Italian Pedagogy at the Beginning of the Twentieth Century

Directory of Open Access Journals (Sweden)

Letterio Todaro

2017-01-01

Full Text Available The beginning of the twentieth century represented a special occasion in the development of women’s movements as a vehicle for a new culture of education. The growing role of women’s associations in modern society found fertile ground in the increasing demand for childcare. In Italy such a process reflected a meaningful phenomenon of social transformation, which was linked to the ascent of the lower classes and to the progression of democratic values. In a region like Sicily, the appearance of local branches of the Unione Femminile Nazionale in some principal cities of the isle, such as Catania, from 1909 onwards represented a crucial opportunity not only for the social and cultural elevation of working-class children, but also for the introduction of new models of schooling and the experimentation of new methods in education, within the wider framework of a general renewal in the science of education of the time. The most representative witness and «learner» of these innovative approaches to education was Giuseppe Lombardo Radice, who was to «transfer» many aspects of his experience into the reform of the entire primary school system in Italy (1923 in line with the design of «active schooling». A survey of the experience of the Sicilian sections of the Unione provides not only a significant example of civilization processes promoted by women’s activism, but also a key to better understanding the wealth of resources involved in the construction of a modern pedagogy in Italy before the coming of Fascism.

Transformational Technologies to Expedite Space Access and Development

International Nuclear Information System (INIS)

Rather, John D. G.

2010-01-01

Throughout history the emergence of new technologies has enabled unforeseen breakthrough capabilities that rapidly transformed the world. Some global examples from the twentieth century include AC electric power, nuclear energy, and turbojet engines. At the systems level, success of both Apollo and the Space Shuttle programs depended upon taming hydrogen propulsion and developing high-temperature atmospheric reentry materials. Human space development now is stymied because of a great need for breakthrough technologies and strategies. It is believed that new capabilities exist within the present states-of-the-art of superconducting technology that can be implemented to transform the future of human space development. This paper is an overview of three other papers presented within this forum, which summarizes the principles and consequences of StarTram, showing how the resulting breakthrough advantages can lead directly to safe space tourism and massive development of the moon, Mars and the outer solar system. StarTram can implement cost-effective solar power from space, simple utilization of asteroid material to protect humans from ionizing radiation, and effective defense of the Earth from devastating cosmic impacts. Synergistically, StarTram technologies will revolutionize ground transportation on the Earth, leading to enormous reduction in energy consumption and creation of millions of jobs. High energy lasers will also be discussed because of their importance to power beaming applications.

Socio-Hydrology of Channel Flows in Complex River Basins: Rivers, Canals, and Distributaries in Punjab, Pakistan

Science.gov (United States)

Wescoat, James L.; Siddiqi, Afreen; Muhammad, Abubakr

2018-01-01

This paper presents a socio-hydrologic analysis of channel flows in Punjab province of the Indus River basin in Pakistan. The Indus has undergone profound transformations, from large-scale canal irrigation in the mid-nineteenth century to partition and development of the international river basin in the mid-twentieth century, systems modeling in the late-twentieth century, and new technologies for discharge measurement and data analytics in the early twenty-first century. We address these processes through a socio-hydrologic framework that couples historical geographic and analytical methods at three levels of flow in the Punjab. The first level assesses Indus River inflows analysis from its origins in 1922 to the present. The second level shows how river inflows translate into 10-daily canal command deliveries that vary widely in their conformity with canal entitlements. The third level of analysis shows how new flow measurement technologies raise questions about the performance of established methods of water scheduling (warabandi) on local distributaries. We show how near real-time measurement sheds light on the efficiency and transparency of surface water management. These local socio-hydrologic changes have implications in turn for the larger scales of canal and river inflow management in complex river basins.

Innovation and productivity growth in Spain during the second half of the twentieth century; Innovacion y crecimiento de la productividad en Espana durante la segunda mitadl del siglo XX

Energy Technology Data Exchange (ETDEWEB)

Cubel, A.; Esteve, V.; Sanchis, J. A.; Sanchis, M. T.

2012-07-01

In this study we analyse the effect of both foreign and domestic technological innovation on Total Factor Productivity (TFP) for Spain in the second half of the XXth century. For this purpose we estimate an extended version of Coe and Helpman (1995) model, in which the foreign and domestic stock of knowledge is measured using the expenditure on R and D. Our results suggest that the entrance of foreign technology had a positive and significant effect on the Spanish TFP. We also find that the domestic knowledge had a positive and significant effect, although this effect is always smaller than the effect associated to foreign knowledge. (Author)

Eigil Rothe, an early twentieth century wall paintings conservator in Denmark

Directory of Open Access Journals (Sweden)

Isabelle Brajer

2008-10-01

Full Text Available Eigil Rothe (active 1897-1929 is a central figure in the development of wall paintings conservation and restoration in Denmark, marking a clear departure from the practices of artist-restorers influenced by historicism. His ideas about retouching and impregnation were propelled by his sense of aesthetics, which rejected nineteenth century interpretations, and called for a respect for the passage of time. His experiments with surface treatments demonstrate unprecedented thoughts about the necessity of future treatments. His work was driven by an aspiration for the truth, as seen by his diligent photographs, such as his noteworthy documentation of the stage prior to aesthetic treatment.Eigil Rothe (actif 1897-1929 est une figure centrale dans le développement de la conservation de peintures murales et la restauration au Danemark, marquant clairement le début de pratiques nouvelles pour les restaurateurs-artiste qu’influencent l’historicisme. Ses idées relatives à la retouche et à l'imprégnation ont été soutenues par son sens esthétique, qui rejette les interprétations du dix-neuvième siècle et insiste sur le respect des marques du temps. Ses expériences relatives aux traitements de surface démontrent une conscience originale et sans précédent quant à la nécessité de traitements futurs. Son travail a toujours été motivé par une passion pour la vérité, comme le démontrent ses remarquables photographies et la documentation remarquable de l’état avant traitement.

Cárie dentária e flúor: uma relação do século XX Dental caries and fluorine: a twentieth century relation

Directory of Open Access Journals (Sweden)

Paulo Capel Narvai

2000-01-01

Full Text Available No início do século XX a cárie dentária era um problema de saúde pública, na maior parte do planeta. As populações conviviam com infecção, dor, sofrimento e mutilação. A descoberta do efeito preventivo do flúor o transformou, ao longo do século, no principal agente utilizado no enfrentamento da doença em todo o mundo. Em vários países e também no Brasil produtos fluorados têm sido apontados como os principais responsáveis pelo declínio observado na prevalência da cárie. No Brasil, estudos pioneiros realizados nos anos 50 e 60 corroboraram a eficácia preventiva da fluoretação das águas. No período 1986-1996, com 42% da população recebendo água fluoretada, a queda na prevalência da cárie entre crianças de 12 anos de idade foi de 53%. Além da água fluoretada também os dentifrícios são, no presente, amplamente utilizados como veículos para uso do flúor em saúde pública. Neste artigo são abordados aspectos históricos do emprego de flúor, algumas características epidemiológicas da cárie dentária no Brasil, e as perspectivas da continuidade do uso de produtos fluorados nas próximas décadas.In the early of Twentieth Century, dental caries were a big public health problem around world. Infection, pain, suffering and mutilation reached all people. The discovering of preventive effect of fluorine became them, through the Century, the main agent in fighting to disease worldwide. In various countries, including Brazil, fluoridated products have been pointed as main causes for dental caries prevalence decline. Also in Brazil, at the 50s and 60s, the preventive effect of water fluoridation was ratified for some pioneer studies. For the period 1986-1996 epidemiological data shown a significant reduction of 53% in the DMF-T index value at 12-years-old schoolchildren. Water and dentifrices are largely used as vehicle for fluoride in public health actions. In Brazil 42% of population has access to fluoridated

The W22 genome: a foundation for maize functional genomics and transposon biology

Science.gov (United States)

The maize W22 inbred has served as a platform for maize genetics since the mid twentieth century. To streamline maize genome analyses, we have sequenced and de novo assembled a W22 reference genome using small-read sequencing technologies. We show that significant structural heterogeneity exists in ...

The Potentials of Student Initiated Netspeak in a Middle Primary Science-Inspired Multiliteracies Project

Science.gov (United States)

Ridgewell, Jay; Exley, Beryl

2011-01-01

There is no denying that the information technology revolution of the late twentieth century has arrived. Whilst not equitably accessible for many, others hold high expectations for the contributions online activity will make to student learning outcomes. Concurrently, and not necessarily consequentially, the number of science and technology…

Fusion energy from the Moon for the twenty-first century

International Nuclear Information System (INIS)

Kulcinski, G.L.; Cameron, E.N.; Santarius, J.F.; Sviatoslavsky, I.N.; Wittenberg, L.J.; Schmitt, H.H.

1992-01-01

It is shown in this paper that the D-He-3 fusion fuel cycle is not only credible from a physics standpoint, but that its breakeven and ignition characteristics could be developed on roughly the same time schedule as the DT cycle. It was also shown that the extremely low fraction of power in neutrons, the lack of significant radioactivity in the reactants, and the potential for very high conversion efficiencies, can result in definite advantages for the D-He-3 cycle with respect to DT fusion and fission reactors in the twenty-first century. More specifically, the D-He-3 cycle can accomplish the following: (1) eliminate the need for deep geologic waste burial facilities and the wastes can qualify for Class A, near-surface land burial; (2) allow inherently safe reactors to be built that, under the worst conceivable accident, cannot cause a civilian fatality or result in a significant (greater than 100 mrem) exposure to a member of the public; (3) reduce the radiation damage levels to a point where no scheduled replacement of reactor structural components is required, i.e., full reactor lifetimes (approximately 30 FPY) can be credibly claimed; (4) increase the reliability and availability of fusion reactors compared to DT systems because of the greatly reduced radioactivity, the low neutron damage, and the elimination of T breeding; and (5) greatly reduce the capital costs of fusion power plants (compared to DT systems) by as much as 50 percent and present the potential for a significant reduction on the COE. The concepts presented in this paper tie together two of the most ambitious high-technology endeavors of the twentieth century: the development of controlled thermonuclear fusion for civilian power applications and the utilization of outer space for the benefit of mankind on Earth

The governmentalization of living

DEFF Research Database (Denmark)

Wahlberg, Ayo; Rose, Nikolas

2015-01-01

of the twentieth century. As is well known, the compilation and tabulation of vital statistics – death-rates, birth-rates, morbidity rates – contributed to the birth of the ‘population’ in the eighteenth and nineteenth centuries. The population is reformatted from the middle of the twentieth century by ‘modified...

The Debate about the Origin of Venereal Disease and VD Control in Modern China : Focusing on Shanghai and Beijing in the First Half of the Twentieth Century

Directory of Open Access Journals (Sweden)

SIHN Kyuhwan

2007-06-01

Full Text Available This paper examines venereal disease(VD control in Shanghai and Beijing in the first half of the twentieth century. It focuses on the debate about the origin of VD in which western doctors stressed the importance of prostitution rather than VD itself. While missionary western doctors approached VD and prostitution from a moral perspective, Chinese western doctors adopted a public health approach. Because Chinese western doctors favored the medium of popular magazines and newspapers to publicize VD and enlighten the public, it is difficult to find their writings on VD in the medical journals such as The National Medical Journal of China(NMJ. Therefore, Chinese western doctors had not been indifferent to VD as previously thought. Common people preferred the black market to the open clinic, and abused salvarsan to cure VD in secret. This suggests the sensitive nature of VD as a disease that degrades personal honor. VD control varied depending on the perspective of the origin of VD and the prostitution, and measures taken. While moralists in the debate upheld a position to abolish licensed prostitution, public health enthusiasts propped up licensed prostitution. VD control in Shanghai and Beijing displays a striking contrast. In Shanghai, the power to control VD and prostitutes were separated. The Shanghai Municipal Council(SMC, French Municipal Council(FMC, and Shanghai Municipality(SM did not cooperate in the control of VD and prostitutes. When SMC devoted its energies to abolish licensed prostitution, FMC and SM enjoyed prostitute's taxes. The Beiping Municipality(1928-1937 practiced multiple forms of control patterns and targets of VD. They adopted a bifurcated policy regarding VD. The targets of diagnosis were divided into prostitute, pregnant women, and normal citizen. The range of the reach of the health administration in Beiping Municipality was gradually magnified.

Computing, information, and communications: Technologies for the 21. Century

Energy Technology Data Exchange (ETDEWEB)

NONE

1998-11-01

To meet the challenges of a radically new and technologically demanding century, the Federal Computing, Information, and Communications (CIC) programs are investing in long-term research and development (R and D) to advance computing, information, and communications in the United States. CIC R and D programs help Federal departments and agencies to fulfill their evolving missions, assure the long-term national security, better understand and manage the physical environment, improve health care, help improve the teaching of children, provide tools for lifelong training and distance learning to the workforce, and sustain critical US economic competitiveness. One of the nine committees of the National Science and Technology Council (NSTC), the Committee on Computing, Information, and Communications (CCIC)--through its CIC R and D Subcommittee--coordinates R and D programs conducted by twelve Federal departments and agencies in cooperation with US academia and industry. These R and D programs are organized into five Program Component Areas: (1) HECC--High End Computing and Computation; (2) LSN--Large Scale Networking, including the Next Generation Internet Initiative; (3) HCS--High Confidence Systems; (4) HuCS--Human Centered Systems; and (5) ETHR--Education, Training, and Human Resources. A brief synopsis of FY 1997 accomplishments and FY 1998 goals by PCA is presented. This report, which supplements the President`s Fiscal Year 1998 Budget, describes the interagency CIC programs.

THE LAND TRANSPORT SYSTEM, TO AND FROM CONSTANTA, IN THE EARLY TWENTIETH CENTURY

Directory of Open Access Journals (Sweden)

DOMINTE Paul

2014-09-01

Full Text Available A sustained progress of the town of Constanta, a predominantly commercial and touristic centre, needed the support of a modern transport infrastructure, i.e. secure and quick communication networks. This is why the development of the land transportation system, technically, as well as organizationally, turned out to be just as important as the harbour’s well known commercial shipping lanes. As such, the city was among the first towns in the country to build a connecting railway with the Danube River, once the bridges over the river were put up, and, consequently, to have a direct link with Western Europe, and the Orient Express. On the other hand, the city owes much of its progress to the local authorities, for whom the transport from town to places such as the harbour, the hippodrome, the beaches at Vii and Mamaia, were not to be neglected. Overall, this progress transformed Constanta into one of the most modern and dynamic economic areas in the Romanian Old Kingdom, in the early 20th century.

[The century of noise].

Science.gov (United States)

Pivato, Stefano

2011-01-01

When did, actually, "noise pollution" begin to coexist along with our daily life and activities and change our environmental natural sounds, which hadn't changed for centuries? Industrial revolution, first, and the introduction of new technologies later, introduced "noise" as one of the most relevant features that marked the development of progress. Later on, it became the distinctive characteristic of the XX century. The incessant rumble of industrial machinery, of weapons and cannons from the wars, the roar of cars in the streets and aeroplanes from the sky, the deafening sound of XX century music, as well as the shouting out of new political ideas suddenly invaded the new century. They became part of our daily life so much as almost to become a new lay religion of modernity. As the century proceeded towards economic boom, a "new noisy Man" complied with this change, becoming the anthropologic prototype who was able to adapt to the new style of life and even contribute to its expansion. All this finally allows, to day, a definition of the XX century as the "century of noise".

Structural change in a system of urban places: the 20th-century evolution of Hungary's urban settlement network.

Science.gov (United States)

Zovanyi, G

1986-02-01

A review of urban change in Hungary in the twentieth century is presented. Both the traditional approach to studying urban change, involving changes in the percentage of those residing in urban areas, and the newly developed approach, focusing on regional aspects of urbanization, are used in the analysis. "In sharp contrast to most European countries Hungary is shown to evidence continued centralization of urban development, but the recent experience of Budapest and other indicators are said to portend future decentralization." (summary in FRE, GER) excerpt

A twentieth anniversary tribute to PSB.

Science.gov (United States)

Hewett, Darla; Whirl-Carrillo, Michelle; Hunter, Lawrence E; Altman, Russ B; Klein, Teri E

2015-01-01

PSB brings together top researchers from around the world to exchange research results and address open issues in all aspects of computational biology. PSB 2015 marks the twentieth anniversary of PSB. Reaching a milestone year is an accomplishment well worth celebrating. It is long enough to have seen big changes occur, but recent enough to be relevant for today. As PSB celebrates twenty years of service, we would like to take this opportunity to congratulate the PSB community for your success. We would also like the community to join us in a time of celebration and reflection on this accomplishment.

Twentieth Semiannual Report of the Commission to the Congress, July 1956

Energy Technology Data Exchange (ETDEWEB)

Strauss, Lewis L.

1956-07-31

The document represents the twentieth semiannual Atomic Energy Commission (AEC) report to Congress. The report sums up the major activities and developments in the national atomic energy program covering the period January - June 1956.

Religious Expression In The Growing Multicultural Workplace

OpenAIRE

Garry Rollins

2011-01-01

The twentieth century saw incredible growth in the diversity of the American workplace as barriers, especially for women and minorities, were reduced.  In this twenty-first century the effects of globalization are adding to the company’s diversity.  Today, some companies reflect a microcosm of our world as the world’s workers come to America and technology connects organizations worldwide.  With this diverse workplace come not only the obvious differences of gender, race, and national origin,...

Contribution of the Republic of Macedonia in the fight against international terrorism

OpenAIRE

Racaj, Muhamet; Muaremoska Abduli, Sevilj

2016-01-01

If the beginning of the twentieth century is characterized by high development of science, technology, computerization, and all in the name of the liberation of humanity from dependence on nature and mastery of the laws that govern nature, the beginning of the twenty-first century is characterized by expansion of violence and terrorism in all parts of the globe exposed through all its forms ranging from assassinations, kidnappings, murders for political purposes, suicides, etc. Terrorism is a...

The invention of physical science intersections of mathematics, theology and natural philosophy since the seventeenth century : essays in honor of Erwin N. Hiebert

CERN Document Server

Richards, Joan L; Stuewer, Roger H

1992-01-01

Modern physical science is constituted by specialized scientific fields rooted in experimental laboratory work and in rational and mathematical representations. Contemporary scientific explanation is rigorously differentiated from religious interpretation, although, to be sure, scientists sometimes do the philosophical work of interpreting the metaphysics of space, time, and matter. However, it is rare that either theologians or philosophers convincingly claim that they are doing the scientific work of physical scientists and mathematicians. The rigidity of these divisions and differentiations is relatively new. Modern physical science was invented slowly and gradually through interactions of the aims and contents of mathematics, theology, and natural philosophy since the seventeenth century. In essays ranging in focus from seventeenth-century interpretations of heavenly comets to twentieth-century explanations of tracks in bubble chambers, ten historians of science demonstrate metaphysical and theological th...

An Analysis Of American Social Condition In THE Middle Of 20Th Century Viewed In Harper Lee’s Novel To Kill A Mockingbird

OpenAIRE

Saragih, Dix Wendy

2010-01-01

Skripsi ini berjudul The Analysis of American Social Condition in the Middle of Twentieth Century Viewed in Harper Lee’s Novel To Kill A Mockingbird. Yaitu suatu analisis mengenai kondisi sosial masyarakat di Amerika Serikat pada pertengahan abad 20 yang terlihat dalam novel To Kill A Mockingbird karya dari Harper Lee. Dalam analisis ini, penulis menggunakan pendekatan historis mengenai sejarah Amerika pada pertengahan abad keduapuluh. Adapun metode yang digunakan adalah metode deskriptif ...

Clear and pregnant danger: the making of prenatal psychology in mid-twentieth-century America.

Science.gov (United States)

Eisenberg, Ziv

2010-01-01

Despite shaky evidence, American medical literature in the twenty-first century includes assumptions about the ability of expectant women's psyche to impact their pregnancy. This essay argues that such notions are rooted in "prenatal psychology," a discursive hybrid constructed by renowned psychiatrists in the 1940s and 1950s. Benefiting from the popularity of Freudianism and from women's social status after the war, doctors like Karl Menninger, William Menninger, Helene Deutsch, and Flanders Dunbar fused traditional ideas about the power of women's emotions to influence pregnancy with trendy ego psychology and psychosomatic theories. They argued that women who experienced difficult pregnancies, threw up excessively or miscarried, suffered from a problem that had a name: neurosis. Several leading obstetricians and gynecologists embraced these ideas and helped spread them in the professional literature, urging their colleagues to use talk therapy in the care of pregnant women.

Perspectives on scientific and technological literacy in Tonga: Moving forward in the 21st century

Science.gov (United States)

Palefau, Tevita Hala

Tonga has undergone complex changes in the last three decades. Disturbing numbers of young Tongans have inadequate knowledge in traditional science and technology, ill equipped to work in, contribute to and profit from our society. In short, they lack sufficient background knowledge to acquire the training, skills and understanding that are needed in the 21st Century. The purpose of this research is to assist the formulation of national science and technology curriculum. Hence, views of life in Tonga and opinions about Tonga's needs held by three stakeholder groups (traditional, workplaces, public) were paramount in this study. How these stakeholders see Tonga in terms of science and technology needs will contribute substantially to the Ministry of Education's decisions for this century. Based on critical evaluation of international literature and how scientific and technological literacy (STL) is crucial to Tongan society, a model 'TAP-STL' is established as study framework: 'TAP' for ṯraditional, a&barbelow;cademic and p&barbelow;ublic STL, to promote national development. This qualitative case study employs an interview method to collect data from twelve knowledgeable participants selected by reputational sampling from across the kingdom. By exploring their understanding of STL requirements, the study sought to identify any shortfall between the science and technology provided in school and that needed for maintenance of traditional culture, effective participation in Tonga's workplaces and public understanding. The study produced findings under these categories: understanding of traditional knowledge and skills needed to preserve Tongan cultural identity; understanding needed for fishing, handicrafts and everyday maintenance, together with essential health knowledge and skills; and required understanding of public information campaigns related to health, domestic goods, drugs and environment that contribute to responsible citizenship. The study identified

The French Reader's Relationship to Poetry in the Electronic Age: Ponge, Alferi, and Vassiliou

Science.gov (United States)

LeBlond-Schrader, Ellen Benton

2010-01-01

My dissertation investigates the twentieth and twenty-first century reader's relationship to poetic text as it is altered through daily exposure to technology in the rise of the information age, as seen in the works of Francis Ponge, Pierre Alferi and Veronique Vassiliou. My project also examines historical documents--radio and television…

Nonlinearity: The History and Philosophy of the Science

Science.gov (United States)

Burke, Kenneth M.

2009-01-01

This article provides for a concise history of nonlinearity from the context of the changing assumptions in science throughout the turn of the twentieth century. Concerned with the development of an ethics of technology in higher education, it establishes a background for ongoing research on quantitative methods in the social sciences. The history…

"Decentralised" Neoliberalism and/or "Masked" Re-Centralisation? The Policy to Practice Trajectory of Maltese School Reform through the Lens of Neoliberalism and Foucault

Science.gov (United States)

Mifsud, Denise

2016-01-01

The politics of the later part of the twentieth century have been marked by the emergence of neoliberalism, which has consequently impregnated the global policy climate with neoliberal technologies of government. It is within this political scenario of hegemonic neoliberal discourse that I explore one aspect of school reform in Malta--contrived…

Proceedings of the US Nuclear Regulatory Commission twentieth water reactor safety information meeting; Volume 2, Severe accident research, Thermal hydraulics

Energy Technology Data Exchange (ETDEWEB)

Weiss, A.J. [comp.] [Brookhaven National Lab., Upton, NY (United States)

1993-03-01

This three-volume report contains papers presented at the Twentieth Water Reactor Safety Information Meeting held at the Bethesda Marriott Hotel, Bethesda, Maryland, during the week of October 21--23, 1992. The papers describe progress and results of programs in nuclear safety research conducted in this country and abroad. Foreign participation in the meeting included 10 different papers presented by researchersfrom CEC, China, Finland, France, Germany, Japan, Spain and Taiwan. Selected papers have been processed separately for inclusion in the Energy Science and Technology Database.

75 FR 57826 - Culturally Significant Objects Imported for Exhibition Determinations: “On Line: Drawing Through...

Science.gov (United States)

2010-09-22

... DEPARTMENT OF STATE [Public Notice 7180] Culturally Significant Objects Imported for Exhibition Determinations: ``On Line: Drawing Through the Twentieth Century'' SUMMARY: Notice is hereby given of the... that the objects to be included in the exhibition ``On Line: Drawing Through the Twentieth Century...

Research on novel coal conversion technology for energy and environment in 21st century

Energy Technology Data Exchange (ETDEWEB)

T. Takarada [Gunma University (Japan)

2003-07-01

In the 21st century, more efficient coal conversion technology will be needed. In this paper, novel gasification, pyrolysis and desulfurization processes using active catalysts are introduced. In particular, the application of ion-exchanged metals in brown coal to coal conversion technology is featured in this study. Other topics discussed include: Catalysis of mineral matter in coal; Catalytic effectiveness of Ni and K{sub 2}CO{sub 3} for various coals; Direct production of methane from steam gasification; Preparation of active catalysts from NaCl and KCl using brown coal; Gasification of high rank coal by mixing K-exchanged brown coal; Recovery of sulfur via catalytic SO{sub 2} gasification of coal char; Research on novel coal conversion technology BTX production by hydropyrolysis of coal in PPFB using catalyst; High BTU gas production by low-temperature catalytic hydropyrolysis of coal; and Ca-exchanged brown coal as SO{sub 2} and H{sub 2}S sorbents. 12 refs., 17 figs.

Renewable energy education for 21st century

International Nuclear Information System (INIS)

Charters, W.W.S.

2000-01-01

The major technological developments in equipment, designed to harness new and renewable sources of energy, have only taken place in the last four decades of the twentieth century, although the principles involved have been previously known for many centuries and were clearly formulated in many of the ancient civilizations. The term renewable energy (RE) itself is of relatively recent origin and only came into widespread use worldwide in the eighties, after the United Nations Conference on New and Renewable Sources of Energy, held in Nairobi, Kenya in 1981, Ref 1. Currently, the term renewable s is extensively used to describe the full range of direct and indirect uses of solar radiation incident on the earth's surface, and is often extended to include energy resources, such as tidal power or geothermal energy, neither of which is strictly renewable in the true sense of the word. Energy extracted from biomass is also generally included under this heading, although biomass is truly renewable only if continuous plantation development and replanting is carried out as the biomass is harvested. On a global scale, relatively extensive teaching about renewable energy started in the late seventies and early eighties, after the first impact of the OPEC oil price shock. Up till this time, there were only a few centres around the world where individual dedicated researchers and university teachers were involved in such activity. The next impetus to course and teaching material development came with national movements for energy independence and finally, in the latter years of this century, considerable stimulation has been given due to the increasing realisation of global environmental factors such as global warming, ozone depletion in the upper atmosphere, acid rain formation, and many other environmental degradation effects due to the increasing use of fossil fuel reserves. Considerable attention has been focused in the last twenty years through the many national and

9th International Frumkin symposium: Electrochemical technologies and materials for 21st century. Abstracts

Energy Technology Data Exchange (ETDEWEB)

NONE

2010-07-01

Abstracts of the 9th International Frumkin symposium: Electrochemical technologies and materials for 21st century are presented. The symposium was held 24-29 October 2010 in Moscow. The symposium included the following microsymposiums: Electrical double layer and electrochemical kinetics (from phenomenological to molecular level); New processes, materials and devices for successful electrochemical transformation of energy; Corrosion and protection of materials; General and local corrosion; Electroactive composition materials; Bioelectrochemistry. The Frumkin symposium includes plenary lectures, oral and poster presentations. Official language of the symposium is English

9th International Frumkin symposium: Electrochemical technologies and materials for 21st century. Abstracts

International Nuclear Information System (INIS)

2010-01-01

Abstracts of the 9th International Frumkin symposium: Electrochemical technologies and materials for 21st century are presented. The symposium was held 24-29 October 2010 in Moscow. The symposium included the following microsymposiums: Electrical double layer and electrochemical kinetics (from phenomenological to molecular level); New processes, materials and devices for successful electrochemical transformation of energy; Corrosion and protection of materials; General and local corrosion; Electroactive composition materials; Bioelectrochemistry. The Frumkin symposium includes plenary lectures, oral and poster presentations. Official language of the symposium is English [ru

Product Standards, Exports and Employment An Analytical Study

OpenAIRE

Acharyya, Rajat

2004-01-01

Through the process of globalization, trade dependence and interdependence of the developing countries have increased phenomenally than ever before. The characteristic of this late twentieth-century globalization process has been the new technological revolution that has led to a high rate of world exports of electronics and other high-technology products. This has marginalized most of the developing countries exporting largely the low quality and low value-addition manufacturing and primary ...

Radiation legacy of the 20th century: Environmental restoration

Energy Technology Data Exchange (ETDEWEB)

NONE

2002-04-01

As a result of events in the twentieth century, mainly related to the development of nuclear energy, mankind has been forced to deal with the restoration of the environments which contain radioactive residues. The International Conference RADLEG-200 was particularly focused on the radioactive legacy of the countries of the former Soviet Union and eastern Europe. By means of reviews and case studies the conference assessed the overall situation with respect to the contaminated sites and sources of potential environmental contamination and evaluated the achievements of rehabilitation and remediation programmes as well as identifying future needs in this field. The Conference was attended by 266 participants from 16 countries and 6 international organizations with 49 papers presented orally and 64 presented as posters. This publication contains the 49 orally presented papers, each of them was indexed separately.

Radiation legacy of the 20th century: Environmental restoration

International Nuclear Information System (INIS)

2002-04-01

As a result of events in the twentieth century, mainly related to the development of nuclear energy, mankind has been forced to deal with the restoration of the environments which contain radioactive residues. The International Conference RADLEG-200 was particularly focused on the radioactive legacy of the countries of the former Soviet Union and eastern Europe. By means of reviews and case studies the conference assessed the overall situation with respect to the contaminated sites and sources of potential environmental contamination and evaluated the achievements of rehabilitation and remediation programmes as well as identifying future needs in this field. The Conference was attended by 266 participants from 16 countries and 6 international organizations with 49 papers presented orally and 64 presented as posters. This publication contains the 49 orally presented papers, each of them was indexed separately

The reformist triad and institutional forgetting of culture: a field study into twentieth-century Swedish social medicine.

Science.gov (United States)

Nyce, James M; Timpka, Toomas

2012-01-01

Social medicine deals with the interplay between medicine and society. An awareness of how analytical categories have emerged historically can strengthen the role the discipline can play in the societal reinventions of health care now under way around the world. This study examines the categories that informed social medicine in Sweden during the 20th century. An anthropological field study was conducted over a 12-year period in a Swedish academic clinical setting. Historical documents were used to link local-level issues with macro-level (here, national and European) contexts. Social medicine, modernity, and social democracy were found to share a common history and a common vision of what society should be. As a result, concepts from politics, ideology, economy, and science tended to be conflated. As a clinician at the study site explained, "samhälle [community] is both society and state". The consequence for social medicine is that culture has become neglected as an analytical category. This institutional amnesia has strongly influenced how 21st century social medicine, in this region of the world, has defined itself and its interests. To return a cultural perspective to social medicine, a critical distance must be kept between the analyses the discipline undertakes and the prevailing societal ideologies.

Proceedings of the twentieth LAMPF users group meeting

Energy Technology Data Exchange (ETDEWEB)

Marinuzzi, R. (comp.)

1987-04-01

The Twentieth Annual LAMPF Users Group Meeting was held October 27-28, 1986, at the Clinton P. Anderson Meson Physics Facility. The program included a number of invited talks on various aspects of nuclear and particle physics as well as status reports on LAMPF and discussions of upgrade options. The LAMPF working groups met and discussed plans for the secondary beam lines, experimental programs, and computing facilities. Individual papers have been cataloged separately.

Proceedings of the twentieth LAMPF users group meeting

International Nuclear Information System (INIS)

Marinuzzi, R.

1987-04-01

The Twentieth Annual LAMPF Users Group Meeting was held October 27-28, 1986, at the Clinton P. Anderson Meson Physics Facility. The program included a number of invited talks on various aspects of nuclear and particle physics as well as status reports on LAMPF and discussions of upgrade options. The LAMPF working groups met and discussed plans for the secondary beam lines, experimental programs, and computing facilities. Individual papers have been cataloged separately