Physicists in China have brought one of Einstein’s thought experiments into reality—but not quite with the outcome he hoped ...

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 ...

Quantum mechanics is weird. When you think you have reached the bottom of its weirdness, you always discover a new ...

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 ...

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 ...

Is ChatGPT a philosopher? Recently, I asked it to weigh in on some of the biggest philosophical debates – the Trolley Problem, the Ship of Theseus, and Brain in a Vat. Not just for fun, but because AI ...

The faster you move, the stranger time becomes. By imagining how light travels to two people moving at different speeds, Einstein showed that time isn’t absolute. His thought experiment revealed that ...