Mmastodon SciencePhysics first seen 2 d ago, last 1 d ago, peak #4

Your head ages faster than your feet, physics says

Original: Your head is older than your feet. Einstein's relativity says gravity slows time — the closer you are to Earth, the slow

Einstein's general relativity means gravity slows time: clocks closer to Earth tick more slowly. NIST scientists measured the effect at a height difference of just 33 centimetres, detecting a tiny but real difference in clock speed. That means a person's head, being slightly farther from Earth's centre, ages a fraction faster than their feet.

Why now: A surprising, counterintuitive physics fact that has been experimentally confirmed draws wide attention.

Albert EinsteinNIST

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Evidence

• Your head is older than your feet. Einstein's relativity says gravity slows time — the closer you are to Earth, the slower your clock ticks. NIST scientists measured it: a clock lifted just 33 cm runs detectably faster. You'll never feel it, but your skull is aging a tiny bit… · eatrics · 5

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