Bill Gates did something good!

The folks of Microsoft's Tuva Project have made available videos of a series of lectures by one of my personal heroes, the late physicist Richard Feynman. *yeah*

The downside: it requires Silverlight. *boo*

Speaking of personal heroes, here is a video of another (no Silverlight required): the last television interview with the late Carl Sagan discussing his book, The Demon-Haunted World: