Extra footage from our Squared Squares video: youtu.be/NoRjwZomUK0 More links & stuff in full description below ↓↓↓ Check out www.squaring.net for loads of great info. Nice Square merchandise US: teespring.com/nice-square-us EU: teespring.com/nice-square-eu James Grime: singingbanana.com Parker Square: youtu.be/aOT_bG-vWyg Squaring the Circle: youtu.be/CMP9a2J4Bqw New Parker Square Mug and Buttons: store.dftba.com/collections/numberphile Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): 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: www.numberphile.com/ Numberphile on Facebook: www.facebook.com/numberphile Numberphile tweets: twitter.com/numberphile Subscribe: bit.ly/Numberphile_Sub Videos by Brady Haran Patreon: www.patreon.com/numberphile Brady's videos subreddit: www.reddit.com/r/BradyHaran/ Brady's latest videos across all channels: www.bradyharanblog.com/ Sign up for (occasional) emails: eepurl.com/YdjL9