Flaw in the Enigma Code - Numberphile The flaw which allowed the Allies to break the Nazi Enigma code.
More links & stuff in full description below ↓↓↓
First video explaining Enigma: http://youtu.be/G2_Q9FoD-oQ
Extra footage: http://youtu.be/BdrrJ7qd4HA
Brown papers on ebay: http://bit.ly/brownpapers
Periodic Videos: http://www.yencryption LINK