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

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

Physicists confirm that light has two identities that are impossible to see at once. (Nanowerk News) MIT physicists have performed an idealized version of one of the most famous experiments in quantum ...

Does the universe notice that we're paying attention to a quantum experiment? The answer goes against everything we thought we knew.