Professor Ed Copeland on strings - and superstrings.
Part II now live at: http://youtu.be/m7C9TjdziPE
Part III: https://www.youtube.com/watch?v=IJYDcXZMe9c
Brady's Movember: http://bit.ly/BradyMo
Blog on text: http://periodicvideos.blogspot.co.uk/2013/12/text.html
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This project features scientists from The University of Nottingham
http://www.nottingham.ac.uk/physics/index.aspx
Sixty Symbols videos by Brady Haran
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http://periodicvideos.blogspot.co.uk/2012/06/here-are-my-channels.html