He called these scenarios Gedankenexperiments, which is German for thought experiments. Despite the name, Einstein's mental exercises incorporated data from actual experiments. Here are a few ...

Here, he’s introduced as “psychologically tender” and quoted as declaring that Albert Einstein (impersonated in the movie by Tom Conti) had “no understanding of or interest in modern ...

This thought experiment showed that time moves differently for someone moving than for someone standing still, cementing Einstein's belief that time and space are relative and simultaneity doesn't ...

He called these scenarios Gedankenexperiments, which is German for thought experiments. Here are a few thought experiments that demonstrate some of Einstein's most groundbreaking discoveries.

Galactic lenses like this one, which is the closest astronomers have ever found, were predicted by Albert Einstein in 1936 from his theory of general relativity. At the time, he thought such an ...