Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. For most of human history, we kept time by Earth’s place in ...
Just days after Albert Einstein's theory that nothing moves faster than light was called into question by a startling neutrino experiment, the long-dead physicist might have come to his own rescue.
Earth’s gravity distorts spacetime. As far as we know, every point on Earth experiences time and space differently by a minuscule — but measurable — amount. Atomic clocks are one of the ways to detect ...
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