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Fwd: Garik Israelian: What's inside a star? - http://www.youtube.com/watch... (via http://friendfeed.com/ramz...)
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YouTube - Introduction to the atom - http://www.youtube.com/watch...
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YouTube - khanacademy's Channel - http://www.youtube.com/khanaca...
Fwd: How Superconducting Levitation Works - http://www.youtube.com/watch... (via http://friendfeed.com/slayerb...)
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