What I saw on the web on 2021.7.17

1. Zooma
   by John Paul Jones
   https://www.youtube.com/watch?v=DZEww2fCw74
   cuz people don't always rest on their laurels
   via memory
   
   
2. The Moessner Miracle. Why wasn't this discovered for over 2000 years?
   by Mathologer
   https://www.youtube.com/watch?v=rGlpyFHfMgI
   some nifty little patterns here
   via rss
   
   
3. The Council of Elrond
   by Existential Comics
   https://existentialcomics.com/comic/175
   Foucault, Chomsky, and Fanon (and a guest appearance by Marx) get into it
   via a comment on Charlie Stross's blog
   
   
4. How to Make a DIY Air Filter
   by Ross Trethewey and Ask This Old House
   https://www.youtube.com/watch?v=aw7fUMhNov8
   it may come to this
   via reddit
   
   
5. Fear is the Mind Killer
   by Calvin and Muad'dib
   https://calvinanddune.tumblr.com/post/656991355422294016/fear-is-the-mind-killer
   I'd read it
   via rss
   
   
6. ragas Jaijaivanti and Nayaki Kanhra
   by pandit Uday Bhawalkar
   https://www.youtube.com/watch?v=v_bBTgOo8SQ
   always listen to Udayji
   via FB