Transmissions through time: the 2017 advent calendar
Day 21

Error-correcting codes

Marcus du Sautoy takes a look at error correcting codes.

Computers use error-correcting codes to detect mistakes in binary notations - even just a single change from 0 to 1. In this clip from the 2006 CHRISTMAS LECTURES "The num8er my5teries", Marcus du Sautoy runs error-correcting code tests with an audience member and explains how the mathematics is used in CDs and satellite communications.

Marcus du Sautoy gave the 2006 CHRISTMAS LECTURES "The num8er my5teries". This clip is from his fourth lecture "The case of the uncrackable code".