Numberphile

Dr James Grime and a handy trick for checking calculations. Ditch the nines... More links & stuff in full description below ↓↓↓ Some extra footage from this interview: https://youtu.be/wQsQ8joretY 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 Patreon: http://www.patreon.com/numberphile 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 to our Patrons: Jeremy Buchanan Ben Holden-Crowther Arjun Chakroborty Jeff Straathof Susan Silver Yana Chernobilsky Christian Cooper James Bissonette Ken Baron Bill Shillito Nicholas Garvey Tony Fadell Ryan Mehendale Paul Piciocchi at Curational Bernd Sing Dr Jubal John Thomas Buckingham Ole Kristian Merli Tianyu Ge Joshua Davis Steve Crutchfield Tyler O'Connor Jon Padden Today I Found Out Ciprian Stan Vali Dobrota D Hills Eric Mumford Charles Southerland Arnas Ian George Walker Paul Bates Tracy Parry Kristian Joensen Alfred Wallace