Feynman videos

There's been a lot of buzz about Bill Gates' purchasing some of Richard Feynman's videos and making them available online for free (well, "free"--if you install Silverlight). Anyway, it had me jonesing for some hot Feynman action, so here is a series of 13 excellent "Fun to Imagine" videos:



And here are his excellent Messenger Lectures from 1964.