I loved this video https://www.youtube.com/watch?v=XFDM1ip5HdU https://www.youtube.com/watch?v=XFDM1ip5HdU "An exploration of infinite sums, from convergent to

I loved this video https://www.youtube.com/watch?v=XFDM1ip5HdU https://www.youtube.com/watch?v=XFDM1ip5HdU "An exploration of infinite sums, from convergent to divergent, including a brief introduction to the 2-adic metric, all themed on that cycle between discovery and invention in math."