An earlier poster mentioned the feynman lectures on physics. As opposed to buying the book, you can download mp3 files of the actual lectures themselves on any gnutella or kazaa network client. There is a basic series of 7 or so topics, plus an advanced series. Search on "Feynman" in Kazaa or a gnutella client like Bearshare or Limewire and you'll find many many sources for the audio of these lectures.
I think it's fascinating to listen to the feynman lectures and then to download and listen to Stephen Hawking's stuff to get a real sense of what the best minds in physics were thinking about, 50 years apart.
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An earlier poster mentioned the feynman lectures on physics. As opposed to buying the book, you can download mp3 files of the actual lectures themselves on any gnutella or kazaa network client. There is a basic series of 7 or so topics, plus an advanced series. Search on "Feynman" in Kazaa or a gnutella client like Bearshare or Limewire and you'll find many many sources for the audio of these lectures. I think it's fascinating to listen to the feynman lectures and then to download and listen to Stephen Hawking's stuff to get a real sense of what the best minds in physics were thinking about, 50 years apart.