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 ...

Einstein thought in images, such as one that began haunting him as a teenager: If a man could keep pace with a beam of light, what would he see? Would he see the electromagnetic wave frozen in ...

Albert Einstein himself thought that the eponymous Einstein ring would be impossible to observe, but the Euclid telescope has ...

Einstein thought in images, such as one that began haunting him as a teenager: If a man could keep pace with a beam of light, what would he see? Would he see the electromagnetic wave frozen in ...

Einstein was a true genius and it’s the example ... His favorite way to operate as a scientist was the thought experiment. And he describes for instance, the crucial moment, where he essentially ...

Here, he’s introduced as “psychologically tender” and quoted as declaring that Albert Einstein (impersonated in the movie by ...

Albert Einstein had described the special theory ... continuum -- the four dimensional world in which we live. He used a thought experiment to compare the force felt from gravity with acceleration.

A rare Einstein ring spotted near our galaxy offers a unique chance to test Einstein’s general relativity and study the ...

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 ...