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Currently Playing: Tools of the Trade (for infinite sums) - Numberphile

Ed Copeland goes deep as we explore how we cracked an infinite sum relating to black holes. The extra bit as at https://youtu.be/s8Jd8Z7A5tA -- More links & stuff in full description below ↓↓↓ Ed Copeland is a physics professor at The University of Nottingham More Ed on Numberphile - https://www.youtube.com/playlist?list=PLt5AfwLFPxWJwf-59lYWThTpSj2Ivt5jB Ed on our sister physics channel Sixty Symbols - https://www.youtube.com/playlist?list=PLcUY9vudNKBNtF1y-sneLuyCTE-Mda561 Patreon: http://www.patreon.com/numberphile All our Patreon supporters: https://www.numberphile.com/patrons 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