41 triple pendulums with 𝑠𝑙𝑖𝑔𝘩𝑡𝑙𝑦 different initial conditions:
What's interesting about this complicated braid? The answer is that it is trivial, but not trivially trivial. It was found by Patrick Dehornoy, who has just died. I've written a thread about him, but am reposting this because it got buried at the end.
That's it - MathsJam is about to start. 176 delegates, 52 talks, Cakes, Competition Competition, MathsJamJam, and more : http://www.solipsys.co.uk/images/MathsJamBookings.png
Watch for the #MathsJam tweets.
Michelle Goldberg writes for the NYT - here's an interview : https://www.nytimes.com/2017/09/25/opinion/becoming-a-columnist-in-the-age-or-trump.html : And a screenshot of one reply ...
The social network of the future: No ads, no corporate surveillance, ethical design, and decentralization! Own your data with Mastodon!