NBC News Scripts
WBAP-TV (Television station : Fort Worth, Tex.)
1954-12-31
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La notion de « construction sociale » a connu un grand succès à partir de la publication, en 1966, du livre de Berger et Luckmann, Construction sociale de la réalité. Après l’avoir utilisée pour parler des faits scientifiques, Bruno Latour s’en est démarqué mais reste parfois associé au courant « constructiviste ». Reprenant à ce sujet la question que posait Ian Hacking (« la construction sociale de quoi ? »), cet article interroge le statut des « entités » qui peuplent la sociologie de Latour. Au terme de cette interrogation, il propose de définir ces entités comme ce qui existe pour quelqu’un et peut faire agir ce quelqu’un. Une telle définition, qui fait sens dans une approche sociohistorique compréhensive, conserve l’essentiel de l’apport de Latour. Mais elle permet aussi de concevoir d’autres modes d’existence, qui donnent prise à...
As a formative exemplar of early architectural modernism, Bruno Taut’s seminal exhibition pavilion the Glashaus (literally translated Glasshouse) is logically part of the important debate of rethinking the origins of modernism. However, the historical record of Bruno Taut’s Glashaus has been primarily established by one art historian and critic. As a result the historical record of the Glashaus is significantly skewed toward a singlular notion of Expressionism and surprisingly excludes Taut’s diverse motives for the design of the building.
In an effort to clarify the problematic historical record of the Glashaus, this book exposes Bruno Taut’s motives and inspirations for its design. The result is that Taut’s motives can be found in yet unacknowledged precedents like the botanical inspiration of the Victoria regia lily; the commerci...
The Glashaus is considered a significant exemplar of early modernist architecture and is generally accepted as having had Expressionist origins. However, current research has revealed that the design origins of this important building are not fully understood. While the historical record acknowledges the contributions of the bohemian poet Paul Scheerbart and the art critic Adolf Behne, the role of the Glashaus’ architect, Bruno Taut, has been moderated. In an attempt to rectify this situation this article proposes that the design origins of the Glashaus can be found in a strong architect-client interaction. It is argued that the Glashaus’ client, the Deutsche Luxfer Prismen Syndikat under the directorship of Frederick Keppler, exerted a significant influence on its design. In order to showcase the glazed products of Luxfer in the best ...
We prove a new invariant torus theorem, for α-Gevrey smooth Hamiltonian systems , under an arithmetic assumption which we call the α-Bruno-Rüssmann condition , and which reduces to the classical Bruno-Rüssmann condition in the analytic category. Our proof is direct in the sense that, for analytic Hamiltonians, we avoid the use of complex extensions and, for non-analytic Hamiltonians, we do not use analytic approximation nor smoothing operators. Following Bessi, we also show that if a slightly weaker arithmetic condition is not satisfied, the invariant torus may be destroyed. Crucial to this work are new functional estimates in the Gevrey class.
We prove a new invariant torus theorem, for α-Gevrey smooth Hamiltonian systems , under an arithmetic assumption which we call the α-Bruno-Rüssmann condition , and which reduces to the classical Bruno-Rüssmann condition in the analytic category. Our proof is direct in the sense that, for analytic Hamiltonians, we avoid the use of complex extensions and, for non-analytic Hamiltonians, we do not use analytic approximation nor smoothing operators. Following Bessi, we also show that if a slightly weaker arithmetic condition is not satisfied, the invariant torus may be destroyed. Crucial to this work are new functional estimates in the Gevrey class.
