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Hello there.

This is Numberphile. We mainly post videos about mathematics and just numbers in general.

11.11.11

11.11.11

Numberphile video about number 11, marking the last binary day of a generation: 11.11.11.

Exploring barcodes, check digits and CD technology.

Filmed at the home ground of Nottingham Forest Football Club, The City Ground.

This video features Dr James Grime, who has his own YouTube channel at http://www.youtube.com/user/singingbanana

255 and Pac-Man

255 and Pac-Man