Walter Isaacson, author of Einstein: His Life and Universe (as well as the Steve Jobs book), explains Albert Einstein’s General Theory of Relativity in under three minutes in a video produced by Fusion.
One hundred years ago, Albert Einstein completed his general theory of relativity, which explains how the gravitational force works. This made Einstein an international celebrity during his time, and the theory is widely recognized as one of the greatest achievements in the history of science.
