Sean Carroll on the arrow of time.
See all our videos with Sean: http://bit.ly/115AVqa
Sean's book about the arrow of time: http://amzn.to/1hCYrPr

Visit our website at http://www.sixtysymbols.com/
We're on Facebook at   / sixtysymbols  
And Twitter at http://twitter.com/#!/periodicvideos
This project features scientists from The University of Nottingham
http://www.nottingham.ac.uk/physics/i...

Sixty Symbols videos by Brady Haran

A run-down of Brady's channels:
http://periodicvideos.blogspot.co.uk/...