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Showing results for tags 'Theory of General Relativity'.
"Observation of Gravitational Waves from a Binary Black Hole Merger" by B.P. Abbott et al on journals.aps.org Yesterday, two separate detectors (in Hanford, WA and Livingston, LA) simultaneously observed a transient gravitational wave signal. I know this is "out there" stuff for a "restaurant website," but these waves are thought to be curvatures of spacetime which propagate outward from the source. For Einstein's two Theories of Relativity to be true, these needed to exist (i.e., Einstein predicted their existence), and Sep 14, 2015 was the first confirmation (heavily peer-reviewed, and the news released just yesterday), so this is a big deal. "Gravitational Waves, Einstein's Ripples in Spacetime, Spotted for First Time" by Adrian Cho on sciencemag.org "Einstein's Gravitational Waves Found at Last" by Davide Castelvecchi and Alexandra Witze on nature.com "Gravitational Waves Detected, Verifying Part of Albert Einstein's Theory of General Relativity" by Robert Lee Hotz on wsj.com