Numberphile

Tom Crawford takes the blind ranking challenge. More links & stuff in full description below ↓↓↓ More Tom on Numberphile: https://www.youtube.com/playlist?list=PLt5AfwLFPxWJ2TNTA79reKQ6S88kTvDR- Tom's book is How Many Pikachus Would It Take to Power a Lightbulb? US: https://link.amazon/B0fW4oSFe UK: https://link.amazon/B00CvSgDO Tom's website: https://tomrocksmaths.com/ Patreon: http://www.patreon.com/numberphile Numberphile is supported by Jane Street. Learn more about them (and exciting career opportunities) at: https://bit.ly/numberphile-janestreet We are also grateful for support from the Ben Delo Foundation - https://delo.org/ NUMBERPHILE Website: http://www.numberphile.com/ Videos by Brady Haran Numberphile T-Shirts and Merch: 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