Graham's Number - Numberphile
A number so epic it will collapse your brain into a black hole! Yet Tony Padilla and Matt Parker take the risk of discussing its magnitude. Watch with caution. See also our video about the Googol and Googolplex at: http://www.youtube.com/watch?v=8GEebx72-qs Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Videos by Brady Haran More about Matt and Tony at: http://www.numberphile.com/team/index.html Matt's section filmed at the Champagne Bar at St Pancras train station.