Current Entries
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11/30/2022 Triangle Symmetries
1. Morley's trisector theorem - in any triangle, the three
points of intersection of the adjacent angle trisectors
form an equilateral triangle:
https://www.johndcook.com/blog/2022/11/30/unexpected-symmetry/
https://en.m.wikipedia.org/wiki/Morley's_trisector_theorem
2. Napoleon's theorem - if equilateral triangles are
constructed on the sides of any triangle, either all
outward or all inward, the lines connecting the centres
of those equilateral triangles themselves form an
equilateral triangle:
https://www.johndcook.com/blog/2022/11/30/napoleons-theorem/
https://en.m.wikipedia.org/wiki/Napoleon's_theorem
11/30/2022 To prevent the iPhone power button from hanging up on a call
on iOS 16.x, go to 'Settings' -> 'Accessibility' ->
'Physical and Motor' -> 'Touch' and toggle 'Prevent Lock to
End Call':
https://appleinsider.com/inside/iphone/tips/how-to-prevent-the-iphone-sleep-wake-button-from-ending-calls
11/24/2022 Another lost Roman emperor - Sponsian?
https://www.sci.news/archaeology/roman-emperor-sponsian-11422.html
https://www.ancient-origins.net/news-history-archaeology/emperor-sponsian-coins-0017568
[Update] Maybe not:
https://antigonejournal.com/2022/11/sponsian-fake-emperor/
11/24/2022 Sam Fisher is coming to Radio 4:
https://www.rockpapershotgun.com/bbc-radio-4-are-producing-a-splinter-cell-series
11/24/2022 OverSight 2.1.1 is out:
https://github.com/objective-see/OverSight/releases/tag/v2.1.1
Now requires Monterey (12.x) or newer.
11/23/2022 Let the cat out of the bag:
https://jalopnik.com/the-cats-in-the-bag-furry-friend-attempts-to-sneak-on-1849816030
11/19/2022 OverSight 2.1.0 is out:
https://github.com/objective-see/OverSight/releases/tag/v2.1.0
11/19/2022 Depressing a cubic:
https://www.johndcook.com/blog/2022/11/19/how-to-depress-a-cubic/
A depressed cubic equation is one in which "the
the quadratic term has been removed", i.e. one
without a x^2:
x^3 + cx + d = 0
11/13/2022 calloc vs. malloc:
https://vorpus.org/blog/why-does-calloc-exist/
11/07/2022 Passive pasta cooking:
https://www.barilla.com/en-gb/passive-cooking
"Passive Cooking is a technique that has been
around since the mid-19th century. It is an
alternative method of cooking pasta that saves
energy and reduces CO2 emissions ... To adopt
it, simply turn off the stove after 2 minutes
of active cooking, cover the pot with a lid
and wait for the right cooking time."
Need to try this out soon and see how it compares
to regular pasta cooking.
11/07/2022 A brief history of FEM:
https://link.springer.com/article/10.1007/s11831-022-09740-9
11/07/2022 Voting from Antarctica:
https://brr.fyi/posts/voting-from-antarctica
11/04/2022 More Strad research:
https://arstechnica.com/science/2022/11/fresh-chemical-clues-emerge-for-the-unique-sound-of-stradivari-violins/
11/02/2022 Paint vs. Coatings:
https://practical.engineering/blog/2022/9/28/whats-the-difference-between-paint-and-coatings
11/02/2022 9Front "The Golden Age of Balloning" is out:
https://9front.org/releases/2022/10/31/0/
11/01/2022 New experimental results about the strong and weak forces:
https://phys.org/news/2022-11-fundamental-advances-universe.html
https://phys.org/news/2022-11-collaborate-weak-nuclear.html
Earlier Entries
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10/##/2022 https://srirangav.github.io/motd/2022/10/motd.txt
https://srirangav.github.io/motd/2022/10/index.html
09/##/2022 https://srirangav.github.io/motd/2022/09/motd.txt
https://srirangav.github.io/motd/2022/09/index.html
08/##/2022 https://srirangav.github.io/motd/2022/08/motd.txt
https://srirangav.github.io/motd/2022/08/index.html
07/##/2022 https://srirangav.github.io/motd/2022/07/motd.txt
https://srirangav.github.io/motd/2022/07/index.html
06/##/2022 https://srirangav.github.io/motd/2022/06/motd.txt
https://srirangav.github.io/motd/2022/06/index.html
05/##/2022 https://srirangav.github.io/motd/2022/05/motd.txt
https://srirangav.github.io/motd/2022/05/index.html
04/##/2022 https://srirangav.github.io/motd/2022/04/motd.txt
https://srirangav.github.io/motd/2022/04/index.html
03/##/2022 https://srirangav.github.io/motd/2022/03/motd.txt
https://srirangav.github.io/motd/2022/03/index.html