
The tides are slowly stealing rotational energy from Earth and giving it to the Moon, lengthening our days while pushing the Moon about 3.8 centimetres farther away each year — a transaction scientists can measure with lasers left by Apollo astronauts.
What Galileo dismissed as childish nonsense turned out to reshape our entire planet—a gravitational dance so subtle yet relentless that it's literally slowing Earth's spin and remaking the Moon's orbit one laser measurement at a time.












