A nice video on Chaos Theory. The video comes in 6 parts. All 6 parts are below.
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http://www.youtube.com/watch?v=wHu8iaLs9i4
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http://www.youtube.com/watch?v=Oj–pxcFUjg
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http://www.youtube.com/watch?v=AMbua0BGfFE
http://www.youtube.com/watch?v=wc0IYJm5-mE
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http://www.youtube.com/watch?v=-1x-7ZLKhjw