The Forgotten Flexagon - Numberphile

Matt Parker discusses the forgotten flexagon... Extra footage at: https://youtu.be/_UXyRug_6qE More links & stuff in full description below ↓↓↓ More Matt Parker (video playlist): http://bit.ly/Matt_Videos Catch Matt on the Numberphile podcast too: https://www.numberphile.com/podcast Vihart's famed flexagon video: https://youtu.be/VIVIegSt81k Matt's own website, with links to all his stuff, is at: http://standupmaths.com Order a Parker Square T-Shirt: https://teespring.com/parker-square-by-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. https://www.simonsfoundation.org/outreach/science-sandbox/ And support from Math For America - https://www.mathforamerica.org/ 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 Animation and flexagons by Pete McPartlan Patreon: http://www.patreon.com/numberphile Numberphile T-Shirts: https://teespring.com/stores/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