Quantum mechanics doesn't follow these usual rules. Within the laws of quantum mechanics, the results are not fixed until someone observes them. At very tiny scales, particles don't have definite ...

MADISON — Exerting delicate control over a pair of atoms within a mere seven-millionths-of-a-second window of opportunity, physicists at the University of Wisconsin-Madison created an atomic circuit ...

Imagine shining a flashlight across a dark room. You can predict exactly what the light will do: travel in a straight line from one point to another. That seems obvious, because in the world we see ...