@Breakfastisready The trailer https://www.youtube.com/watch?v=82c2HDp-ntg makes it look intriguing. And the fact that the Kindle version won't be released for a few more days is making me think it would be worth the wait to go for paper instead.

Abstract aerial photography by JP and Mike Andrews: https://www.thisiscolossal.com/2019/07/manmade-patterns-and-uncanny-shadows-photographed-from-above-by-jp-and-mike-andrews/

G2 shall be my favorite group! Well, for now. For a while. Or maybe for longer. It's the smallest of the exceptional Lie groups. Found 1893 by Élie Cartan. It was he who suggested to think about it in terms of rolling balls.

https://en.wikipedia.org/wiki/G2_%28mathematics%29

Picture two spheres, one three times larger than the other. Imagine them rolling on another without slipping nor twisting. Rolling surfaces have their own branch of mathematics: contact geometry!

You know in Fantasia when Mickey teaches a broom to fetch water and then he falls asleep and the brooms go haywire and have poured enough water to flood the whole place and create a veritable indoor maelstrom?

That's what it feels like when you write some server automation software and you wake up next morning to see the mess your code wrought.

Amazing stuff.

Never have I ever seen so many famous mathematicians in such a silly video.

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I research mathematics.

I'm here to try and pursue an acceptable way to procrastinate away from mathematics.

Joined Aug 2018