The Man Who Corrected Einstein
After Albert Einstein developed the theory of general relativity–a new and more powerful description of gravity–he was using the formula to make predictions willy nilly. Most of the predictions were confirmed by science. But then he plugged the universe into the equation and got a prediction that it was static and unchanging, which was wrong. Enter Russian physicist Aleksandr Friedmann, who claimed that Einstein had erred and put forth that the universe was still expanding. After tossing a few barbs at Friedmann and holding strong to his prediction, Einstein relented and admitted his mistake. Learn the rest of the story from MinutePhysics.
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