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

Does light behave more like a particle, or like a wave? Today we know the surprising answer. Here's why it took so long to get there. When you purchase through links on our site, we may earn an ...

Our universe plays by certain rules, which originate from different branches of physics. But sometimes the rules seem ...

For the first time, researchers have performed a version of the famous double-slit experiment with antimatter particles. The double-slit experiment demonstrates one of the fundamental tenets of ...

Photons, for centuries both a puzzle and a tool, continue to help scientists illuminate nature at the smallest and largest scales. Photons, the fundamental particles of the electromagnetic field that ...