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 ...

With a clever design, researchers have solved eddy-current damping in macroscopic levitating systems, paving the way for a ...

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

Once tied to a metal cylinder in France, the kilogram has now been redefined using the fundamental laws of physics.

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

Can we reveal objects that are hidden in environments completely opaque to the human eye? With conventional imaging ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New findings risk turning the tension into a crisis, scientists say.