It mentioned many of his theories. However, the one I kept thinking about is the theory of relativity. My favorite example of this theory is the one in which people are playing Ping-Pong on a train.

The theory of relativity encompasses the gravitational force, one of the four fundamental forces in the Universe. Conversely, ...

Albert Einstein had described the special theory of relativity in 1905 ... Einstein postulated three ways this theory could be proved. One was by observing the stars during a total solar eclipse.

Saving a million dollars might feel right for one ... picture of another person either, so while it feels easy to compare yourself to others, you really can’t. Keep the theory of financial ...