On the evening of September 9, 1947, a strange silence fell over the Harvard Computation Laboratory. The Mark II electromechanical computerâ a colossal machine of whirring motors, clacking relays, and ...
C. 2500 BCE: Sumerian abacus -- c. 700 BC: Scytale -- c. 150: Antikythera mechanism -- c. 60: Programmable robot -- c. 850: "On Deciphering Cryptographic Messages ...
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