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History's Greatest Mysteries
6:00 pm - 7:00 pm Saturday, September 5
Decoding the Mysterious Antikythera Mechanism
Season 4 · Episode 8
An ancient mechanical device found on a 2,000-year-old shipwreck has become known as the world's first computer. The machine is centuries more advanced than historians thought possible, but its origin and true purpose are shrouded in secrecy
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