World’s first computer may be older than thought

The Antikythera mechanism, an astonishingly complex device of gears found in a shipwreck full of Greek loot by sponge divers in 1900, has never been precisely dated. The wreck itself is dated to between 70 and 60 BC, but the items in the ship’s cargo range from 340 BC for the Antikythera Ephebe (a bronze …