Physics
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First Collisions in the LHC! | Cosmic Variance | Discover MagazineThe LHC circulated two counter-rotating beams today, and a few hours ago the CMS experiment recorded its first collision event, shown in the display above. This is a fantastic milestone for the LHC and the experiments!
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38 hours ago
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L'univers élégant: Amazon.fr: Brian Greene, Trinh Xuan Thuan: LivresBonjour. Identifiez-vous pour découvrir nos conseils personnalisés . Nouveau client ? Commencez ici . Toutes nos boutiques Rechercher Panier L'univers élégant (Broché) EUR 23,00 EUR 21,85 EUR 1,15 (5%) En stock. Descriptions du produit Amazon.fr Si l'on devait fixer ...
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2 days ago
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Splitting Time from Space—New Quantum Theory Topples Einstein's Spacetime: Scientific AmericanWas Newton right and Einstein wrong? It seems that unzipping the fabric of spacetime and harking back to 19th-century notions of time could lead to a theory of quantum gravity.
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4 days ago
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CERN Press ReleaseTwo circulating beams bring first collisions in the LHC Geneva, 23 November 2009. Today the LHC circulated two beams simultaneously for the first time, allowing the operators to test the synchronization of the beams and giving the experiments their first chance to look for proton-proton ...
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5 days ago
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CERN restarts Big Bang collider for biggest test yet - Yahoo! NewsScientists are restarting a giant sub-atomic particle collider built to reproduce "Big Bang" conditions, the European Organisation for Nuclear Research (CERN) said on Friday. After a year's delay, they hope to have beams circulating by early Saturday in the huge tunnels under the French-Swiss ...
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8 days ago
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No joke: Large Hadron Collider shut down by speck of bread | DVICEHere's one for the books. CERN's Large Hadron Collider has once again been shut down. No catastrophic helium leak or failing magnets this time. The culprit? A speck of bread, which officials believe was originally part of a larger baguette. To make it all the more ridiculous, it's thought that ...
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3 weeks ago
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Rapid supernova could be new class of exploding starArtist's impression of an AM-CVn star system, where helium flows from one star, a helium white dwarf (upper right), onto another, piling up in an accretion disk around a small, dense primary star. Helium from the disk eventually falls onto the star, forming a shell that may end up exploding as a ...
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3 weeks ago
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Gamma-ray photon race ends in dead heat; Einstein wins this roundRacing across the universe for the last 7.3 billion years, two gamma-ray photons arrived at NASA's orbiting Fermi Gamma-ray Space Telescope within nine-tenths of a second of one another. The dead-heat finish may stoke the fires of debate among physicists over Einstein's special theory of ...
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3 weeks ago
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World's fastest supercomputer models the unseen universe | DVICEIt's hard to tell what the universe looks like, especially since it takes billions of years for the light from most of it to reach us. It's even more difficult to visualize the 70% of the matter in the universe that's invisible. That's why scientists bring out the heavy iron, IBM Roadrunner, ...
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3 weeks ago