A century-old thought experiment on wave–particle duality is brought into the laboratory using a single trapped atom ...

Physicists are fond of Gedankenexperimente—thought experiments that are difficult or impossible to perform in the real world. Schrödinger’s cat is a well-known example of a thought experiment, used to ...

A thought experiment about restarting life with future knowledge explores whether avoiding past mistakes would lead to a better life or erase the one you know entirely.

Think about it. There may be no greater engine of transformation than the human brain. And throughout history, thought experiments have been the silent engines of intellectual progress, driving ...

The Ship of Theseus thought experiment is a long-standing problem in philosophy that has been debated for centuries. This philosophical debate has been brought back into public discourse by the rise ...

The big thinkers at Aperture analyze unsolved thought experiments that challenge the mind.