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Abstract Hydrodynamics at the solid interface is a fundamental property of fluids, as important as their constitutive equation, in determining their flow. Historically, experimental evidence has been decisive in identifying the hydrodynamic boundary …

Over the last ten years or so, nanofluidics has taken an enormous leap forward. It is now possible to fabricate and study nano-channels as small as a few nanometers, or even a few angstroms. Advances in measurement techniques now make it possible to …

Abstract According to Paul Valéry, art presupposes several ways of doing . This imposes a choice in the genetics of the text, which will separate the work between an origin and an end, which are not necessarily identical. For example, among the possible …

Abstract At the same time as Valéry was expounding the idea of a pure poetry, based on the model of music, which provoked heated debate in the years 1920, he also considered that poetry was dead (along with the generation that had died on the battlefields …

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Ahutoru, Maï, Hitihiti and especially Tupaia played an important role during the Europeans' stay in the Pacific. They were neither hostages taken by force, nor curious travelers roaming the world, but intermediaries, translators and smugglers. They …

We'll see how children were trained from an early age to succeed their parents : the hereditary transmission of status and professions was indeed the rule in this world governed by …

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Abstract In this joint work with Nicolas Forcadel (U. Rouen), we rigorously derive a macroscopic traffic flow model with a bifurcation or a local perturbation from a microscopic one. The microscopic model is a simple follow-the-leader with random …

How could a neural vector represent the words of language, both in terms of their form and their meaning ? At the perceptual level, the lecture will examine the hypothesis that phonemes and syllables are represented by neural codes " factorized " into …

Abstract The challenge of climate change, with its many impacts ( inter alia, melting glaciers, drought, flooding), underlines the need for sustainable water management. Instruments and actions must address uncertainty while mitigating risks. …

General issue of non-Buddhist temples in Central Asia : the dichotomy between fire temples and image temples, are there areas of overlap ? Presumed prototypes of fire temples in Bactria and Sogdiana in the Achaemenid and Hellenistic eras. The Shivaite …

Lecture by Aude Bernheim, winner of the Collège de France Prize for Young Researchers 2022 All living organisms, from bacteria to elephants, face viruses. While the study of bacterial viruses is just over one hundred years old, understanding of the …

After a reminder of the methodological principles of the study of Greek gods, between traditions and narratives and cultic practices, the name of the goddess Demeter is questioned. Indeed, the word mētēr , " mother ", enters into the composition of the …

Abstract Water and energy. Two deeply interconnected issues in today's world. Two extraordinary challenges for our society, requiring extraordinary solutions. The impact of fundamental science can be decisive in this struggle. Opening up radically new …