Numberphile

We like the Olympic Rings - but we prefer Borromean Rings. More knots: http://bit.ly/Knot-a-Phile More links & stuff in full description below ↓↓↓ See Brady's chemistry rings video at periodicvideos: http://www.youtube.com/watch?v=k2tkfbc18Vw This video features Professor John Hunton from the University of Leicester discussing higher linkages. Thanks to Derek (1veritasium) for filming me in Green Park and Henry (minutephysics) for not fighting back! 1veritasium http://bit.ly/MrupzL minutephysics http://bit.ly/Muh6CC 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 Numberphile T-Shirts: https://teespring.com/stores/numberphile Other merchandise: https://store.dftba.com/collections/numberphile