What I saw on the web on 2024.12.15

[reblogarythm]

1. Dirac's belt trick, Topology, and Spin ½ particles
   by Noah Explains Physics
   https://www.youtube.com/watch?v=ACZC_XEyg9U
   in case you're wondering how something can only be symmetric under a double rotation. warning: uses algebraic topology.
   via going looking
   
   
2. Hardest thing I've ever done': Man runs 7 marathons in 7 days on 7 continents
   by Darla Ponace
   https://www.cbc.ca/news/canada/saskatchewan/great-world-race-reg-willick-1.7408917
   the istanbul thing feels like a bit of a cheat, but in this context i'll allow it
   via rss
   
   
3. Age
   by Zach Weinersmith
   https://www.smbc-comics.com/comic/age
   indeed, think of the possibilities!
   via rss
   
   
4. Tabla maestro Zakir Hussain dies at 73 in US hospital, his family confirms
   by Ashutosh Acharya
   https://www.indiatoday.in/india/story/zakir-hussain-dies-at-73-tabla-maestro-icu-suffering-heart-problems-san-francisco-icu-2650234-2024-12-15
   Zakirji was monumental as a musician. rest in peace, ustadji!
   via FB and then going looking