In 1907, Albert Einstein had his “happiest thought” — people in free fall do not feel their own weight. This simple idea laid the foundation for his general theory of relativity, which ...

Albert Einstein (* March 14, 1879 in Ulm; † April 18, 1955 in Princeton, New Jersey), photographed in 1921. (Image: gemeinfrei, Ferdinand Schmutzer) ...

Albert Einstein at the time of his 50th birthday. Bettmann Archive. Key Facts “Einstein and the Bomb,” which hit Netflix on Friday, ... Key Background.

Background. Albert Einstein experienced and contributed to many important events during his 50-year career as a theoretical physicist. Still, few moments had as great an impact ...