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The German military had a code machine. 🇬🇧 159,000,000,000,000,000,000 possible settings. Changed every twenty-four hours. They called it unbreakable. Every order. Every U-boat position. Every battle plan encrypted and sent through the air. Britain put ten thousand people in a country house in Buckinghamshire. Mathematicians. Linguists. Chess champions. Crossword... show more
153,656 görüntüleme • 4 ay önce •via X (Twitter)
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