Matt Parker discusses Tupper's Self-Referential Formula. Matt's book on Amazon (US): http://bit.ly/Matt_4D_US Matt's book on Amazon (UK): http://bit.ly/Matt_4D_UK A little bit of extra footage from this video: http://youtu.be/wx22jdwn5zQ Thanks to our Patreon supporters... Herschal Sanders (from Susan) Today I Found Out Christian Cooper Ken Baron Greg Williamson Bill Shillito Lê OK Merli Alex Bozzi Peggy Youell Spiked Math Filipe Junqueira Thomas J Petersen Christian Cooper Andrzej 'Yester' Fiedukowicz Joshua Wilson & Andrew Touchet Arnas Valeika Henry Reich Keith Vertrees plusunim Micky Baeza Tracy Parry Stan Ciprian Rich Pantano (from Jill) Kelly N Cooper Stimson James P Buckley Kristian Joensen Support us on Patreon: http://www.patreon.com/numberphile Tupper's Self-Referential Formula: http://mathworld.wolfram.com/TuppersSelf-ReferentialFormula.html NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile Videos by Brady Haran Sign up for (occasional) emails: http://eepurl.com/YdjL9