http://www.youtube.com/watch?v=O-JKAHaml7A&feature=channel&list=UL
You might enjoy it :-)
Previous thread on 2nd video in this series:
http://lesswrong.com/lw/9f8/link_to_a_feynman_video_and_a_2nd_distantly/
Previous thread on 2nd video in this series:
http://lesswrong.com/lw/9f8/link_to_a_feynman_video_and_a_2nd_distantly/