What I saw on the web on 2023.3.10

1. The Joy of Abstraction book club — Chapter 2
   by Eugenia Cheng
   https://www.youtube.com/watch?v=C6A8tqGsQWM
   i really need to get the book at some point
   via yesterday's link to chapter 1
   
   
2. Using an Out-of-Control Car to Calculate π.
   by Matt Parker et al
   https://www.youtube.com/watch?v=_ZbUyS2IRMo
   looks like a reasonable technique
   via rss
   
   
3. Radians Are Cursed
   by Randall Munroe
   https://xkcd.com/2748/
   radians degrees
   via rss
   
   
4. Terra Ignota Romanova full zip hoodie
   by Elizabeth Cano
   https://www.etsy.com/ca/listing/1428067661/terra-ignota-romanova-full-zip-hoodie
   a splendid garment! but which hive/law to choose?
   via discord