Simon Singh also did a video on this topic for Numberphile[1]: http://www.youtube.com/watch?v=ReOQ300AcSU http://www.youtube.com/watch?v=ReOQ300AcSU Numberphil

Simon Singh also did a video on this topic for Numberphile[1]: http://www.youtube.com/watch?v=ReOQ300AcSU http://www.youtube.com/watch?v=ReOQ300AcSU Numberphile a pretty interesting channel run by Brady Haran about all sorts of mathematics concepts: http://www.youtube.com/user/numberphile http://www.youtube.com/user/numberphile Brady has a number of other, similar channels for physics/linguistics/astronomy/chemistry/etc.; most of them are linked from Numberphile's about page: http://www.youtube.com/user/numberphile/about http://www.youtube.com/user/numberphile/about