FYI, the audio of the lectures is also available, but can be difficult to find. Afair, some of its a little scrappy at the start (poor recording setup?) but hi

FYI, the audio of the lectures is also available, but can be difficult to find. Afair, some of its a little scrappy at the start (poor recording setup?) but his delivery is great. I wish there was video available. See also the Feynman Lectures on Computation.