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Straw Bear Festival in the UK: Pictures

Just a Beautiful Leaf

Japanese Maple

Why Einstein's Elegant Theory Of Relativity Has Stood The Test Of Time

<i>Is it time to begin to review Einstein’s relativity theory? originally appeared on Quora:</i> <i>the knowledge sharing network where compelling questions are answered by people with unique insights</i>.<p><b>Answer by Viktor T. Toth, author of many papers on gravity, played key role resolving the Pioneer anomaly, on</b> …

Physics

Ask Ethan: How Do Gravitational Waves Escape From A Black Hole?

Perhaps the greatest discovery of all announced in 2016 was the direct detection of gravitational waves. Even though they had been predicted by Einstein’s general theory of relativity 101 years prior, it took the development of a laser interferometer sensitive to ripples in space that would …

Black Holes