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

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 ...

Albert Einstein was well known for his thought experiments involving complex scientific ideas. Often he used real-world examples that helped non-scientists grasp his theories of relativity. He started ...

'Exceptionally precise' set-up mimics thought experiment devised by sceptical genius to disprove the then-emerging field For the first time, scientists in China have faithfully recreated a thought ...

To understand gravity, Einstein had to rethink space and time as a single connected fabric. He showed that mass bends this fabric, guiding how everything moves. NOVA is available to stream on pbs.org ...