SUB to Brady's NEW psychology channel - http://bit.ly/WuBYhG See Veritasium's video on the same topic: http://bit.ly/QkEyUF Professor Bowley is talking magnets again - this time with a copper pipe, coil and small pieces of metal. Visit our website at http://www.sixtysymbols.com/ We're on Facebook at http://www.facebook.com/sixtysymbols And Twitter at http://twitter.com/#!/periodicvideos This project features scientists from The University of Nottingham http://www.nottingham.ac.uk/physics/index.aspx Sixty Symbols videos by Brady Haran A run-down of Brady's channels: http://periodicvideos.blogspot.co.uk/2012/06/here-are-my-channels.html