In between trying to eradicate polio, tame malaria, and fix the broken U.S. education system, Microsoft's Bill Gates has managed to fulfill a dream of taking some classic physics lectures and making them available free over the Web. The lectures, done in 1964 by noted scientist Richard Feynman, take notions such as gravity and explains how they work and the broad implications they have in understanding the ways of the universe. Gates talks to CNET News reporter Ina Fried about his interest in the lectures, and their potential impact.
Also in today's podcast: Facebook gets even bigger, MIT wants to track your trash, and Road Trip 2009 continues with a look at how to predict and control fire.
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