jjp9999 writes "A war of spies and electromechanical machines that took place beneath the wires during World War II not only played a crucial role in the Allies' victory, but also helped spark the beginning of the computer age. Among the devices was the Enigma, a cipher capable of producing 150,000,000,000,000,000,000 possible code combinations, and a hulking machine, the Colossus, the first programmable electronic computer, capable of decoding the Enigma."
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