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 codenamed 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