48 random digits Posted on 2021/07/14 by Carl Robitaille Reply pic.twitter.com/zlsWZAW1jW— Vanessa McHale (@vamchale) June 28, 2021
Synchronization of male fiddler crabs Posted on 2021/07/14 by Carl Robitaille Reply Synchronization of male fiddler crabs has been known for a long time (https://t.co/RL9RImkjl1) but this is the first time I’ve seen such a good video of it! https://t.co/PI8CMPrMP2— Steven Strogatz (@stevenstrogatz) June 27, 2021
A proof that there exist two irrational numbers x,y such that xʸ is rational Posted on 2021/07/14 by Carl Robitaille Reply A proof that there exist two irrational numbers x,y such that xʸ is rational pic.twitter.com/Oc1AVv7IqO— Fermat's Library (@fermatslibrary) June 28, 2021
Sudanese Möbius Band Posted on 2021/07/14 by Carl Robitaille Reply It's called the "Sudanese Möbius Band", not named after the country, but after the two topologists Sue Goodman and Daniel Asimov. It was discovered by Blaine Lawson in his Stanford Ph.D. thesis.— Grant Sanderson (@3blue1brown) June 24, 2021
Mathematicians welcome computer-assisted proof in ‘grand unification’ theory Posted on 2021/06/22 by Carl Robitaille Reply Mathematicians welcome computer-assisted proof in ‘grand unification’ theory
It was only 81 years ago that André Weil introduced the following notation for the empty set. Posted on 2021/06/22 by Carl Robitaille Reply It was only 81 years ago that André Weil introduced the following notation for the empty set. pic.twitter.com/ZgMgVccm3A— Fermat's Library (@fermatslibrary) June 16, 2021
The Brewer Who Secretly Revolutionized Statistics | Great Minds: William Gosset Posted on 2021/06/22 by Carl Robitaille Reply
Given two numbers, what is the probability that they have no factors in common? Posted on 2021/06/22 by Carl Robitaille Reply
A rope swinging from the bottom of a cardioid traces out another cardioid Posted on 2021/06/07 by Carl Robitaille Reply a rope swinging from the bottom of a cardioid traces out another cardioid. (its involute is another cardioid.) pic.twitter.com/UnS25gIrgx— Matt Henderson (@matthen2) May 29, 2021