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Fishy Codes: Bletchley's Other Secret - Computerphile

Hitler's High Command didn't use Enigma, they used a faster system called Lorenz, but when Allied forces first encountered it, they had no idea what it was and code-named it 'Tunny' (Tuna). Professor Brailsford explains why this relates to the early days of Computer Science Next Video in this series:    • Zig Zag Decryption - Computerphile   The Professor's Notes: Undulator Sheet: http://bit.ly/computerphileundulator Teleprinter Code: http://bit.ly/computerphile5holetape Colossus & Bletchley Park:    • Colossus & Bletchley Park - Computerp...   Enigma Playlist: https://www.youtube.com/playlist?list... 5 Hole Paper Tape:    • 5 Hole Paper Tape - Computerphile   XOR and the Half Adder:    • XOR & the Half Adder - Computerphile   JPEG DCT:    • JPEG DCT, Discrete Cosine Transform (...   Computer That Changed Everything:    • Computer That Changed Everything (Alt...   Inside the Computer (EDSAC):    • Inside the Computer (EDSAC) - Compute...     / computerphile     / computer_phile   This video was filmed and edited by Sean Riley. Computer Science at the University of Nottingham: http://bit.ly/nottscomputer Computerphile is a sister project to Brady Haran's Numberphile. More at http://www.bradyharan.com