Holy crap. Someone won the Texas Lotto -- to the tune of $95 million -- by buying every combination of number available. They apparently invested approximately $25.8M to accomplish that. (Paywall busted below) https://archive.is/etkX9

#lotto #math

TIL airport runway numbers are named for the direction in which they point:

- Take the runway number, multiply by 10
- That angle is the direction of the runway

So runway 9 points due east (90°) and runway 27 due west (270°).

The same physical runway will change numbers if they switch the direction of traffic.

#Airport #Airplanes #Math https://en.wikipedia.org/wiki/Runway

area of surface used by aircraft to takeoff from and land on

^{Contributors to Wikimedia projects (Wikimedia Foundation, Inc.)}

Mathstodon is a server for people who love maths. We have LaTeX rendering in the web interface! We hope there’ll be lots of maths chat, but any topic following the code of conduct is OK.

https://mathstodon.xyz

More info at https://mathstodon.xyz/about or contact the admin @christianp

#FeaturedServer #Maths #Math #Mathematics #Mathematical #Mathematicians #LaTeX #Mastodon #Fediverse #FreeFediverse

Mathstodon

A Mastodon instance for maths people. We have LaTeX rendering in the web interface!

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"I played 15 different notes at 0.2 bpm differences. The result is an amazing sweep of the rhythmic subdivision spectrum!"

https://www.youtube.com/watch?v=lTwg4mFF32E

#music #math

15 Note Poly Tempo Pendulum

I played 15 diffrent notes at 0.2 bpm diffrences. The result is an amazing sweep of the rhythmic subdivision spectrum!Each time you hear a bell it means that...

^YouTube

Online topological crochet classes omg #crochet #FiberArts #math #topology

Mathematical crochet artist Shiyong Dong offering classes at the National Museum of Mathematics https://momath.org/onlinecrochet/