Derangements featuring Dr James Grime. More links & stuff in full description below ↓↓↓ Extra footage from this interview: https://www.youtube.com/watch?v=qYAWjIVY7Zw More Dr Grime on Numberphile: http://bit.ly/grimevideos e video: https://www.youtube.com/watch?v=AuA2EAgAegE Special thanks to these Patrons on Patreon: Jeremy Buchanan Jeff Straathof Susan Silver Yana Chernobilsky Christian Cooper James Bissonette Ken Baron Bill Shillito Tony Fadell Erik Alexander Nordlund Bernd Sing Dr Jubal John Thomas Buckingham Tony Cox Ole Kristian Merli Tianyu Ge Joshua Davis Steve Crutchfield Patreon: http://www.patreon.com/numberphile Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science. NUMBERPHILE Website: http://www.numberphile.com/ Numberphile on Facebook: http://www.facebook.com/numberphile Numberphile tweets: https://twitter.com/numberphile Subscribe: http://bit.ly/Numberphile_Sub Videos by Brady Haran Brady's videos subreddit: http://www.reddit.com/r/BradyHaran/ Brady's latest videos across all channels: http://www.bradyharanblog.com/ Sign up for (occasional) emails: http://eepurl.com/YdjL9 "Thanks (f)or the mug"