Free book: http://www.audible.com/computerphile What if the Universe is just a computer simulation? What is fundamental particles are really just "bits"? Featuring physicist Phil Moriarty from the University of Nottingham. Also check out our Scale of the Universe song on Sixty Symbols: http://youtu.be/XRdh8gmVR90 See more of Phil at Sixty Symbols – http://www.youtube.com/sixtysymbols http://www.facebook.com/computerphile https://twitter.com/computer_phile This video was filmed and edited by Brady Haran.