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Outre l'uranium, servant à la réaction nucléaire, on trouve dans le cœur d'une centrale nucléaire divers matériaux qui sont très sollicités pendant le cycle de production d'électricité. En raison des conditions extrêmes de pression, température et irradiationqui y règent, le réacteur nécessite un pilotage très précis et il est indispensable de mesurer et de contrôler le plus finement possible la résistance de ses composants. Cet album propose de comprendre la spécificité et les enjeux du cycle de production nucléaire, à travers le travail de onze doctorants du Centre Cea Paris-Saclay.

SCIENCE / Physics / General. --- Nuclear energy.

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A pocket-style edition distilled from the New York Times bestsellerAwaiting you in this breezy book is a whirlwind tour through the cosmos-a journey of exploration to other planets, stars, and galaxies, and from black holes to time loops. With acclaimed astrophysicists Neil deGrasse Tyson, Michael A. Strauss, and J. Richard Gott at your side, here you will find a brief and yet breathtaking introduction to the universe, which will help you in your quest to understand how the cosmos actually works.A Brief Welcome to the Universe propels you from our home solar system to the outermost frontiers of space, building your cosmic insight and perspective through a marvelously entertaining narrative. How do stars live and die? What are the prospects of intelligent life elsewhere in the universe? How did the universe begin? Why is it expanding and accelerating in the process? Is our universe alone or part of an infinite multiverse? Exploring these and many other questions, this pocket-friendly book is your passport into the wonders of our evolving cosmos.

Astrophysics --- Cosmology --- Astronomical physics --- Astronomy --- Cosmic physics --- Physics --- Accelerating expansion of the universe. --- Accretion (astrophysics). --- Alpha particle. --- Andromeda Galaxy. --- Angular diameter. --- Astrobiology. --- Astrophysics. --- Atomic nucleus. --- Barred spiral galaxy. --- Big Bang. --- Calculation. --- Chemical element. --- Chronology of the universe. --- Circumference. --- Copernican principle. --- Cosmic Background Explorer. --- Cosmic microwave background. --- Cosmic string. --- Cosmogony. --- Dark energy. --- De Sitter space. --- Deuterium. --- Dimension. --- Earth. --- Einstein field equations. --- Elementary particle. --- Elliptic orbit. --- Energy density. --- Event horizon. --- Exoplanet. --- Extraterrestrial life. --- Galactic Center. --- Galactic year. --- Galaxy cluster. --- Googol. --- Gravitational wave. --- Gravity. --- Hawking radiation. --- Hubble Space Telescope. --- Hubble's law. --- Inflation (cosmology). --- Interstellar medium. --- Irregular galaxy. --- Jim Peebles. --- Jupiter. --- Kepler (spacecraft). --- Kuiper belt. --- Light-year. --- Longevity. --- Luminosity. --- Main sequence. --- Measurement. --- Metric expansion of space. --- Milky Way. --- Molecule. --- Neutron star. --- Neutron. --- Newton's law of universal gravitation. --- Nitrogen. --- Nuclear fusion. --- Nuclear reaction. --- Observable universe. --- Orion Nebula. --- Photon. --- Physicist. --- Planck (spacecraft). --- Planetary habitability. --- Planetary nebula. --- Positron. --- Prediction. --- Pressure. --- Quantity. --- Quantum tunnelling. --- Quasar. --- Real Humans. --- Red giant. --- Result. --- Satellite galaxy. --- Saturn. --- Shape of the universe. --- Solar System. --- Solar mass. --- Spacecraft. --- Spiral galaxy. --- Star. --- Supernova. --- Temperature. --- The Astrophysical Journal. --- The Pluto Files. --- Thermal radiation. --- Universe Today. --- Universe. --- Uranus. --- Vacuum energy. --- Vacuum state. --- Wavelength. --- Weakly interacting massive particles. --- Welcome to the Universe. --- White dwarf. --- Year. --- SCIENCE / Physics / Astrophysics --- SCIENCE / Physics / General