For more than a century, the double-slit experiment has been the sharpest test of what reality is made of, and of whether ...

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

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

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

A photon was apparently detected in two places at once in a twist on the classic double-slit experiment, but many physicists ...