Ok, as I understand it we have no way to determine the speed which we are moving at in an absolute sense.<BR><BR>We can say "We are moving 20 miles per hour in the car relative to the road" or "The ...

By using something called a quantum grid, scientists have found a clever way to simultaneously measure momentum and position ...

Most of us intuitively feel that reality ought to exist just fine on its own when we aren’t looking. If a tree falls in a forest when no one is around to hear the crash, the air still vibrates with ...

A hidden world of quantum metrologists ensure that everyday devices perform safely and correctly, but their work is never done ...