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

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

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

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

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

Researchers have finally resolved a century-old debate over the famous "double slit" experiment, according to new research.