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DVD, 2007
Current format, DVD, 2007, , Available .
DVD, 2007
Current format, DVD, 2007, , Available . Offered in 0 more formats
In 1940, Europe lay under Nazi domination. German bombers unleashed the blitz against Britain and U-boats. But, the Allies had a secret weapon: a group of American and British mathematicians, crossword fanatics, linguists, and chess champions who decoded an "unbreakable" Enigma, Germany's infamous message-coding machine. This special shows a working replica of Colossus, the machine that cracked Nazi codes and was the world's first computer.
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