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http://www.youtube.com/user/Vihart
http://www.youtube.com/user/sixtysymbols
http://www.youtube.com/user/destinws2
http://www.youtube.com/user/1veritasium
http://www.youtube.com/user/vlogbrothers
http://www.youtube.com/user/minutephysics
http://www.youtube.com/user/Vsauce

http://www.youtube.com/watch?v=7TpZteN9XCc
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BBS The Documentary
http://www.youtube.com/watch?v=Up2qnhZzNss&list=PLgE-9Sxs2IBVgJkY-1ZMj0tIFxsJ-vOkv&index=2