Light has always been the stage on which quantum mechanics performs its strangest tricks, and the double-slit experiment is ...

Researchers use an updated version of slit experiment, and figure out who was correct between Einstein and Bohrs regarding ...

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

Scientists in China have performed an experiment first proposed by Albert Einstein almost a century ago when he sought to ...

A single atom as a movable slit: Researchers realize Einstein's thought experiment in original form, observing ...

"Dark photon" theory says light's interference patterns may emerge from quantum particles, not waves, upending centuries of physics.