From Standup Mathematician. Try Jane Street’s neural net puzzle: https://jane-st.co/SUM-neural-net-puzzle And learn more about their Machine Learning team and open roles here: https://jane-st.co/SUM-JS-ML The artwork for the SUMTG cards was created by Tabitha Grove: https://www.tabithamaygrove.co.uk/ Thanks to Matthew Franklin for suggesting the video topic. We massively benefitted from this excellent breakdown here https://edhrec.com/combos/temur/380-703-2557 Huge thanks…

From Standup Mathematician. Happy Pi Day! The new value of pi is 3.2266. Pi-by-hand is happening – at some time in the future – at some location! Please opt-in for updates and tell us which places would work for you: https://docs.google.com/forms/d/e/1FAIpQLScprg57Bvv1jOfoMQwriHPegTnCjik2p9xrly0zQ84ANYMfEQ/viewform?usp=dialog Huge thanks to Jim Propp for discovering this amazing bit of maths. For more…

From Standup Mathematician. Thanks to everyone who supported the Kickstarter – you can still purchase more patches but all name changes are now closed! Head on over to https://pi.space/ to check your status. Thanks to the great people at Astrobotic Technology. Find out more about Cuberover and the mission here: https://www.astrobotic.com/astrobotics-cuberover-is-flight-ready-for-lunar-mission/ Huge thanks to Colin…

From Standup Mathematician. Applications for AMP are open until 11th March! https://jane-st.co/SUM-AMP-2026 The full puzzle is pasted below. Come and see me on tour – live and undithered! https://standupmaths.com/shows Check out JRH’s video about Return of the Obra Dinn’s pixel art: https://www.youtube.com/watch?v=_3qzyAHMoUU And this great demo by Visual Rambling: https://visualrambling.space/dithering-part-1/ Huge thanks to my Patreon…

From Standup Mathematician. Come see me on tour to get your mathematically dubious cereal boxes signed. https://standupmaths.com/shows You can also find me talking about other unreleased video topics at An Evening of Unnecessary Detail. https://festivalofthespokennerd.com/show/an-evening-of-unnecessary-detail/ Check out the full correspondence with Kellogg’s on Reddit: https://www.reddit.com/r/theydidthemath/s/rRbfNVF4aa And MindYourDecisions video looking at the surface area problem: https://youtu.be/0qT_h84o7JI?si=y3ALapozUGMM2kpJ…

From Standup Mathematician. Jane Street’s Hong Kong internship is accepting applications now: https://jane-st.co/hkginternship26-SUM Oh look. Still time to sign up for a digital xmas card: https://www.patreon.com/standupmaths (cut off for 2025 is 31 Dec 2025) As well as calculating Pi on the Moon, I’ll be back on tour again in the new year: https://standupmaths.com/shows Follow Matt_2…

From Standup Mathematician. Print out your Nopert with the Bambu Lab X1C Combo https://www.awin1.com/cread.php?awinmid=46345&awinaffid=2412541 #bambulab #bambulabA1 #makerworld #bambustudio #bambulabp1s #bambulabX1c #bambulabs Check out Tom 7’s video which this video goes through: https://www.youtube.com/watch?v=QH4MviUE0_s Tom7’s full set of printable 3D models for all Platonic, Archimedean and Catalan solids: https://makerworld.com/en/models/1617011-platonic-archimedean-and-catalan-solids#profileId-1706419 Here’s the paper announcing the Noperthedron: https://arxiv.org/pdf/2508.18475 My…

From Standup Mathematician. Go to https://displate.com/l/standup or use my code STANDUP to get the biggest discounts of the year: 1-2 Displates for 37% off, 3-4 Displates for 43% off & 5 Displates and more for 46% off! Valid on Textra but not on Limited Edition (they’re too limited). Check out the void where the original…

From Standup Mathematician. Check out Seb’s excellent deep-dive video over here: https://www.youtube.com/watch?v=FgTo5WRluy0 See my show in London on 1 December 2025: https://lwtheatres.co.uk/whats-on/matt-parker/ Other show details for the 2026 tour here: https://standupmaths.com/shows/ Yes, sign up to Patreon by the end of November 2025 to get your unique, random christmas card from me: http://patreon.com/standupmaths Or have been…

From Standup Mathematician. Get your own Mug with a Hole: https://mathsgear.co.uk/products/extreme-utilities-puzzle-mug Thanks to Past James Grime for making the original video with Past Matt. https://www.youtube.com/singingbanana Here is the plan for the seven-colour mug design. It’s an image from my book Things to Make and Do in the Fourth Dimention. https://www.dropbox.com/scl/fi/ek7z0dt9qook7b46s3u6u/seven-colour-mug.jpg?rlkey=9bpbw3f0vuu3p3js7y8fqa720&dl=0 Huge thanks to Eugénie von…

From Standup Mathematician. Get an exclusive 15% discount on Saily data plans! Use code standupmaths at checkout. Download Saily app or go to https://saily.com/standupmaths Listen to Matt talk more about The Snake with Bec on the A Problem Squared podcast! https://open.spotify.com/episode/6qW3yw3zrMuh0bLIzO2vEE?si=JshLx8nCQOCdCHkJkUB1vg If you are in the USA you can watch The Snake episode 10 on…

From Standup Mathematician. Come see me on tour! https://standupmaths.com/shows/ Check out the paper: https://arxiv.org/pdf/2506.24088 Thanks so much to Mark Brittenham and Susan Hermiller at University of Nebraska at Lincoln for talking me through it. Huge thanks to my Patreon supporters. I can knot overstate my appreciation for them. https://www.patreon.com/standupmaths CORRECTIONS – None yet, let me…

From Standup Mathematician. Learn more about the Jane Street internships at https://jane-st.co/internship25-SUM Ben’s Zener Test: https://zenertest.bensparks.co.uk/ Huge thanks to Ben Sparks (and their brother Tim) for making the site, collecting the data and sharing the story with me. You can book Ben to give a maths talk in your school, university or magic society: https://www.bensparks.co.uk/…

From Standup Mathematician. Check out the amazing Bambu Lab printers: https://www.awin1.com/cread.php?awinmid=46345&awinaffid=2412541 Print some maths! https://makerworld.com/en/search/models?keyword=math Here are the STL files (and project files you can open in Bambu Studio) for the tetrahedrons in this video: https://www.dropbox.com/scl/fo/jwva4zx6r4327lyg9zgy5/AKFZ5nUzo7QmD_mMhaD01uI?rlkey=9f41h2xsb7ybanjh1jibit8mz&dl=0 This is the Quanta Magazine article which broke the Monostable Tetrahedron news in June 2025. A New Pyramid-Like Shape…

From Standup Mathematician. See if you have the skills to dissect this neural net: https://jane-st.co/SUM-MLpuzzle More on Jane Street machine learning careers here: https://janestreet.com/ml This is a complex video, so I’ll try to thank and link everyone in order! Original Numberphile video from 2015 by Brady Haran: https://www.youtube.com/watch?v=99stb2mzspI&ab_channel=Numberphile More on the Partridge Puzzle by Robert…