Recovered from a 1st-century Roman shipwreck in 1901, the Antikythera Mechanism is the world's oldest known analog computer, at an estimated 2,200 years old. While the device's mechanism has long since been known to have involved astronomical calculations, its full nature has been shrouded in mystery, with the mechanism's approximately 30 bronze gears having corroded into a single lump over the millennia that it lay on the seafloor. However, new examinations by a multi-national research team have deciphered nearly all of the surviving text that had been inscribed on the device by its builder from ancient Greece.
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