Today I Learned

Applications for paid internships at Jane Street are open A Podcast of Unnecessary Detail is out now: Come for the Unnecessary Detail, stay for the A Podcast Of. These are my approximation equations: perimeter π53a, 3 + 717b, 35 (269a2 + 667ab + 371b2) perimeter π(6a, 5 + 3b, 4) If you can do better, submit it to Matt Parker s Maths Puzzles. This was my pervious video featuring ellipsoids: You can buy the ellipse from this video on eBay. I ve written on my two new equations and signed it. All money goes to charity (the fantastic Water Aid). Bonus content and a deleted scene are available on my Patreon. Huge thanks to all who sent in a recording of them singing A total ellipse of the Sorry I