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When drawing train track diagrams in geometric topology, it's important to get the signals right so your trains don't crash into each other.

Announcing my next game: 4D Golf!

Long layover at DFW today - found the absolute optimal place to sit in the whole airport.

It took some time to create but I think it was worth it. This is a 73 picture Transverse Equirectangular pano of the glorious Ely Cathedral. ❤️

Exploring some ways to create the illusion of an impossible triangle. Full video at youtu.be/gbOu6ArLItg

Just a few more days to submit your thing(s) to the Joint Mathematics Meetings-ematics Meetings Exhibition of Mathematical Art in Boston, January 4-7, 2023. Apply at gallery.bridgesmathart.org

In Sandbox Mode, you can build anything you want in all impossible spaces.

I gave a talk at Denison University last month. Moriah Aberle was in the audience and told their roommate Nicky Sherrick about our The Dice Lab Skew Dice. Nicky then made this big ceramic version! I'm told that it's not very roll-able, but it looks great!

When I close my eyes, all I see are strings. I've become somewhat obsessed with the patterns made from stretching straight lines across a circle, better known as string art. Simple rules can yield beautiful patterns and reveal hidden math. Join me on my explorations: 1/🧶

I originally took this photo illustrating stereographic projection in 2014. Soon after, someone attached a click-bait caption to the image, and it has been bouncing around the internet ever since. Here, I explain what the image is really about.

Our design for the Formlabs Impact Award was inspired by our work on vascular networks for 3D-printed organs. Intricate branching fluidic networks printed inside a clear block reveal the Formlabs logo when injected with contrasting resin n-e-r-v-o-u-s.com/blog/?p=9274

本日から11/13(日)まで表参道のTIERS GALLERYで開催されるつながるかたち展 02に木島凪沙さんと共同で作品を出展しています。 幾何学や構造に関するめっちゃ面白い作品群が集まっているので是非ご来場ください。 arakawagrip.co.jp/tiersgallery/a…

Alright Maths folks. There is a 24 HOUR MATHS GAME SHOW this Friday (28th Oct - 7pm BST) through to Saturday (29th Oct). Organised by Katie Steckles Roy Leech @sophiethemathmo Kevin Houston and me. Details: 24hourmaths.com Live On YouTube (part 1 here): youtube.com/watch?v=0CSCjO…

Giving a math colloquium at UC Santa Cruz today! Here’s a fun slide: a view from inside the connect sum of two 3-tori