4. Untangling the Web (2009)

In this lecture, Chris Bishop untangles some of the mysteries of the web. He reveals one of the most surprising results in computer science, and shows how it is used to make web pages secure. He also studies the different ways of scrambling information to stop eavesdroppers from reading it, and explains how quantum physics can provide a secret means of transmitting data over the internet.

Release date: 2009-01-01