What I saw on the web on 2020.10.4

[reblogarythm]

1. The Joy of ∫sec x dx
   by Adam Hrankowski
   https://medium.com/mathadam/the-joy-of-sec-x-dx-9ada3fc9a01b
   a little calculus to get you going in the morning
   via reddit
   
   
2. Toast
   by /u/RamsesThePigeon
   https://www.reddit.com/r/copypasta/comments/3mfona/toast/
   If Toast were illegal
   via memory
   
   
3. Quokkas react to Juggling
   by luke forrester
   https://www.youtube.com/watch?v=5FjFHu7ijFg
   so, basically the same reaction as small children
   via FB
   
   
4. Least integer of each prime signature A124832; also products of primorial numbers A002110.
   by OEIS
   https://oeis.org/A025487
   all very round numbers are members of this sequence
   via futzing about with prime factorizations
   
   
5. Charlson Comorbidity Index (CCI)
   by Dr. Mary Charlson
   https://www.mdcalc.com/charlson-comorbidity-index-cci#use-cases
   will you be alive in 10 years?
   via siderea
   
   
6. How to play like Steve Harris? 2 simple rules!
   by Didier GÉRÔME
   https://www.youtube.com/watch?v=_QlThRDePK8
   in case you want to gallop like Steve
   via reddit
   
   
7. A Fragment, Detached: The Hobbit and The Silmarillion
   by John D. Rateliff
   https://www.tolkiendil.com/essais/tolkien_1892-2012/john_d_rateliff
   in case you're wondering whether The Hobbit was intentionally written in the context of The Silmarillion
   via reddit
   
   
8. Korimba
   by Dennis Havlena
   http://dennishavlena.com/korimba.htm
   hoping to find a recording of this
   via reddit