The Antikythera Mechanism was a hand-cranked system of interlocking bronze gears designed to model the heavens. Turning the crank revealed the positions of the Sun, Moon, and the five planets visible ...
More than a century ago, a group of sponge divers discovered a shipwreck near the Greek island of Antikythera. It turned out to be the ruins of a cargo vessel dating back some 2,000 years—and hiding a ...
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