Take, for instance, quantum entanglement, which says that the state of one particle can be determined by examining the state of its entangled pair regardless of distance. This strange fact flies in ...

Vacuum is often thought of as empty, but in fact it is teeming with fleeting energy fluctuations—virtual photons popping in ...

According to scientific legend, quantum mechanics was born on the island of Helgoland in 1925. A hundred years later, ...