"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." One of the most influential scientists of the 20 th century, Albert Einstein is well-known for developing ...

On August 2, 1939, one month before the outbreak of World War II, Albert Einstein signed a two-page letter to US President Franklin D. Roosevelt that would help bring the US into the nuclear arms race ...

I’ve uncovered more details since Frank Shatz’s column, “Williamsburg man looks to Einstein’s FBI files, words for questions on atomic bomb” was published December 22. In researching Albert Einstein’s ...

JILA physicists have measured Albert Einstein’s theory of general relativity, or more specifically, the effect called time dilation, at the smallest scale ever, showing that two tiny atomic clocks, ...

We have just commemorated the 80th anniversary of the Japanese sneak attack on Pearl Harbor, Hawaii, and the start of the war between the United States and Japan. On occasions like this, there is ...

Light has always been the stage on which quantum mechanics performs its strangest tricks, and the double-slit experiment is ...

In 1947, Albert Einstein meets with J. Robert Oppenheimer. While Einstein did not work on the Manhattan Project, which developed the atomic bomb, his scientific discoveries had laid the groundwork for ...

Typed letter signed in black ink on unlined paper with the printed letterhead of the Emergency Committee of Atomic Scientists, Princeton, New Jersey. Albert Einstein was a German-born theoretical ...