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Light and matter are very closely linked in our modelling of the physical world. From the formulation of quantum theory to the invention of laser, the interaction between atoms and radiation has played a crucial role in the development of today’s science and technology. By controlling this interaction, the lowest temperatures ever recorded are now reached. Cooling atomic gases with laser light produces “quantum matter” with radically different properties from those of ordinary fluids. These cold atoms are the cornerstone of a new metrology of time and space, with applications in a wide variety of fields, including navigation, telecommunication and geophysics.
Physics --- Physical Sciences & Mathematics --- Atomic Physics --- Physics. --- Atoms. --- Radiation --- Radiology --- Chemistry, Physical and theoretical --- Matter --- Stereochemistry --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- Constitution --- laser --- light --- radiation --- physics --- atomic physics --- time --- atom
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The legal history of the construction of the social state gives an idea of its greatness. But this easy-going sovereign, tolerant to protest and accountable for its subjects’ well-being, seems to be struck by misery today. Exposed to systemic financial risks due to the opening of its commercial borders, it is seeing its resources dwindling and its expenses increasing. Fearful doctors are rushing to its bedside. Some are prescribing one bleeding after another, while others are already drawing up its death certificate. What we need is not this lethal medicine, but a precise diagnosis of the social state.
Political Science --- Law, Politics & Government --- Political Theory of the State --- law --- State --- globalization --- solidarity --- social law --- labour law
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Metaphysics has been proclaimed to be archaic or outdated. Actually, it never “died”. It has even experienced considerable revival throughout the world, which in France we have yet to fully appreciate. Because, in both the most general and the most precise ways, it questions “what there is”, it is essential to any knowledge-related undertaking, in the sense not of a recognition of eternal truths but of an enquiry on the world and on reality. In this lecture Claudine Tiercelin sets out the programme of a scientific and realist metaphysics rooted in the rationalist tradition and diametrically opposed to obscurantist spiritualism and post-modern relativism.
Philosophy --- Philosophy & Religion --- Speculative Philosophy --- metaphysics --- philosophy --- knowledge
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It looks as though the anthropology of nature is an oxymoron of sorts, given that for the past few centuries, nature has been characterized in the West by humans’ absence, and humans, by their capacity to overcome what is natural in them. But nature does not exist as a sphere of autonomous realities for all peoples. By positing a universal distribution of humans and non-humans in two separate ontological fields, we are for one quite ill equipped to analyse all those systems of objectification of the world in which a formal distinction between nature and culture does not obtain. This type of distinction moreover appears to go against what the evolutionary and life sciences have taught us about the phyletic continuity of organisms. Our singularity in relation to all other existents is relative, as is our awareness of it.
Anthropology --- Social Sciences --- Anthropology - General --- Anthropology. --- Social sciences. --- Behavioral sciences --- Human sciences --- Sciences, Social --- Social science --- Social studies --- Civilization --- Human beings --- Primitive societies --- anthropology --- nature --- Social sciences
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By combining a method – comparative studies – with an ongoing process – the internationalization of law, that is, its extension beyond national borders – this Chair looks to the future, as uncertain as it may be. Of course current events tragically highlight the absence of a real legal world order. The collective security system of the Charter of the United Nations has shown its weaknesses and law has been unable to disarm force. Conversely, however, force cannot prevent this unprecedented extension of law, to the extent that no State can lastingly override it. In spite of appearances, it is no longer possible today to ignore the superposition of regional, national and global standards, nor the over-abundance of both national and international institutions and judges, with expanded jurisdiction. The new realities are causing law to evolve into complex and highly unstable interactive systems that are perhaps more symptomatic of profound change than of the defeat of law: we are faced with a change in the very conception of the legal order.
Law, Politics & Government --- Law, General & Comparative --- Law. --- Acts, Legislative --- Enactments, Legislative --- Laws (Statutes) --- Legislative acts --- Legislative enactments --- Jurisprudence --- Legislation --- law --- comparative law --- globalization --- legal studies --- international law
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When physicists began to explore the world of atoms more precisely, as they endeavoured to understand its structure and the laws governing its behaviour, they soon encountered serious difficulties. Our intuitive concepts, based on our daily experience of the macroscopic world around us, proved to be completely erroneous on the atomic scale; the atom was incomprehensible within the framework of classical physics. In order to uncover these new mysteries, after a great deal of trial and error, entirely new concepts therefore had to be elaborated: the concepts of quantum physics. What are the main stages that have led us to this modern understanding of the atom? What is the present state of atomic physics? How has it contributed to the development of our knowledge and where is it heading?
Physics --- Atomic. --- Molecular. --- Natural philosophy --- Philosophy, Natural --- Physical sciences --- Dynamics --- molecular physics --- theoretical physics --- atomic physics --- quantum physics
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By opposing sectarian discourses with the universal weapons of history, philology and anthropology, in short, the entire arsenal of science and reason, the history of religions of the past enables us to deflate modern myths, and not only those of others but also our own. It allows us to identify the projection, in the imaginary past, of the "origins" of nationalist, religious or racist fantasies, and to disarm exaggerated interpretations of the sacred texts. Within nations inherited from the 19th century, ancient history can help to deconstruct the representation that nation states sometimes create of their past, by showing that despite their apparent proximity, their "ancestors", often simply assumed to be so, were as distant from the current society as the inhabitants of the antipodes, and hardly resembled the image assigned to them. It enables us to challenge the "Greek miracle", the "Roman genius", the "Germanic superiority", or the Hegelian dialectic professing that religions and history tend towards Christian monotheism
Religions --- Civilization, Ancient --- History. --- Rome --- Religion. --- Ancient civilization --- institutions --- ancient history --- archeology --- religion --- history of religions
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Earthquakes, tsunamis, volcanic eruptions: the extent of certain recent natural disasters and their dramatic consequences have reminded us of the power of terrestrial phenomena and of the need for scientific research to understand the Earth’s dynamics more fully. Over the last twenty years the study of the Earth’s interior has witnessed a real revolution, owing in particular to the development of increasingly sophisticated seismic tomography techniques and the powerful computations made possible by progress in numerical methods and computer technology. Barbara Romanowicz presents us with the current progress and challenges of global seismology.© Collège de France, 2013
Geology --- Earth & Environmental Sciences --- Dynamic & Structural Geology --- Earth (Planet) --- Internal structure. --- Earth --- seismology --- physics --- geophysics
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By opposing sectarian discourses with the universal weapons of history, philology and anthropology, in short, the entire arsenal of science and reason, the history of religions of the past enables us to deflate modern myths, and not only those of others but also our own. It allows us to identify the projection, in the imaginary past, of the "origins" of nationalist, religious or racist fantasies, and to disarm exaggerated interpretations of the sacred texts. Within nations inherited from the 19th century, ancient history can help to deconstruct the representation that nation states sometimes create of their past, by showing that despite their apparent proximity, their "ancestors", often simply assumed to be so, were as distant from the current society as the inhabitants of the antipodes, and hardly resembled the image assigned to them. It enables us to challenge the "Greek miracle", the "Roman genius", the "Germanic superiority", or the Hegelian dialectic professing that religions and history tend towards Christian monotheism
Religions --- Civilization, Ancient --- institutions --- ancient history --- archeology --- religion --- history of religions --- History. --- Rome --- Religion.
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