This trumpet represents -2^x

From Standup Mathematician. Bambu Lab is running its 3rd anniversary campaign so now is a great time to check out 3D printing: https://shrsl.com/2p2du-2yn7-1cwx9 The original reddit r/mathpics post: https://www.reddit.com/r/mathpics/comments/cmuq8f/complex_values_of_the_negative_exponential_to/ You know I’m at the Edinburgh Fringe and on tour again! https://standupmaths.com/shows The NYC show is Sunday July 13 at The Bell House: https://www.ticketmaster.com/an-evening-of-unnecessary-detail-brooklyn-new-york-07-13-2025/event/300062B8E9924115 Here is…

This fractal is more complex than the Mandelbrot set

From Standup Mathematician. Thanks to Jane Street for sponsoring this video. If you’d like to learn more about their various departments and open roles, visit http://jane-st.co/SUM-roles. For a glimpse into life at Jane Street, visit http://jane-st.co/SUM-streetview. Check out Christian’s amazing fractal viewer which he made for the graphics in this video. Share your favourite coordinates…

I’m going to calculate π on the Moon. Literally.

From Standup Mathematician. Support the mission, become a Mathstronaut and get you own bit of Lunar Pi here: https://www.kickstarter.com/projects/standupmaths/moon-pi-were-going-to-calculate-on-the-moon For more details, and the teacher sign-up, head on over to https://pi.space/ Thanks to the great people at Astrobotic Technology. Here is the latest news about the Griffin-1 mission: https://www.astrobotic.com/astrolabs-flip-rover-joins-astrobotics-griffin-1-to-the-moon/ Yes, I thought of the joke…

New maths discoveries! All announced at once!

From Standup Mathematician. Read the Google DeepMind paper about AlphaEvolve here: https://storage.googleapis.com/deepmind-media/DeepMind.com/Blog/alphaevolve-a-gemini-powered-coding-agent-for-designing-advanced-algorithms/AlphaEvolve.pdf And this is their blog post about the findings: https://deepmind.google/discover/blog/alphaevolve-a-gemini-powered-coding-agent-for-designing-advanced-algorithms and if you really want to get into the details, this Collab should be live soon: https://colab.research.google.com/github/google-deepmind/alphaevolve_results/blob/master/mathematical_results.ipynb Erich Friedman’s Packing Center: https://erich-friedman.github.io/packing/index.html This is the Terence Tao video I mentioned: https://youtu.be/cyyR7j2ChCI?si=-aMVZ7bigZRtLlFw Huge thanks…

We can fix UK currency with a £1.75 coin

From Standup Mathematician. Check out Bambu Lab printers here: https://shrsl.com/2p2du-2yn7-1cwx9 #bambulab #bambulabA1 #makerworld #bambustudio #bambulabp1s #bambulabX1c #bambulabs #3Dprinting Here are the print files for Andreas Müller’s Dodeclace – the Dodecahedron necklace. https://makerworld.com/en/models/1300677-dodeclace-the-dodecahedron-necklace#profileId-1332937 And Adam Luter’s design for Industrious Dice. https://www.printables.com/model/1112817-rhombic-tricontahedron-industrious-15-sided-dice (More about the maths here: https://mathenchant.wordpress.com/2024/10/17/industrious-dice/ ) Huge thanks to Adam Townsend for all his…

Explaining the Trump Tariff Equation

From Standup Mathematician. Read the equation details for yourself: https://ustr.gov/issue-areas/reciprocal-tariff-calculations Full list of countries and their 2024 import/export values: https://ustr.gov/countries-regions Footage of the Trump announcement from Liberation Day is from the PBS live broadcast. https://www.youtube.com/watch?v=oIDN0Yf8Z28&ab_channel=PBSNewsHour Presidential debate footage from ABC news. https://www.youtube.com/watch?v=4dOgWZsDB6Q&ab_channel=ABCNews NZ-USA import and export data from here: https://tradingeconomics.com/united-states/imports/new-zealand https://tradingeconomics.com/united-states/exports/new-zealand The Impact of the…

We calculated pi with colliding blocks

From Standup Mathematician. Happy Pi Day 2025 everyone! Check out Grant’s new 3blue1brown video: https://youtu.be/6dTyOl1fmDo?si=k0az9B4pEOnRXbIh Oh look, it’s Steve’s excellent channel: https://www.youtube.com/stevemould Sign up for future pi-by-hand videos: https://forms.gle/w44THpNJ3jWUPqHy6 Massive thanks to Hugh Hunt and everyone in the University of Cambridge Department of Engineering, particularly the legends in the workshop. https://www.eng.cam.ac.uk/profiles/hemh1 Huge thanks to my…

Mathematicians finally find the infinite card game.

From Standup Mathematician. More details about Jane Street’s AMP: https://jane-st.co/SUM-AMP25 The full puzzle is below. Support me on Patreon and join in whatever thing I do next. https://www.patreon.com/standupmaths Please help me thank Mithuna for enduring all of that. Go check out her excellent physics channel: https://www.youtube.com/@LookingGlassUniverse Here is the main paper: A Non-Terminating Game of…

Can I 3D print a minimal infinite surface?

From Standup Mathematician. Check out the fantastic range of Bambu Labs 3D printers: https://bit.ly/SUM-bambu #bambulab #bambulabA1 #bambulabp1s #bambulabs Dan Piker on Mathstodon: https://mathstodon.xyz/@Danpiker/112858419960150896 Print file of Dan’s gyroid. It is a snug fit, maybe add a few extra percent. From: https://mathstodon.xyz/@Danpiker/112859215840044255 Previous pencil video: Costa surface print file I used by osj1961 (Joe Fields) https://www.thingiverse.com/thing:2882581…

I walked the length of a state (ish)

From Standup Mathematician. Sorry everyone: STEMcon was just cancelled by the organisers. I’m gutted, and sorry we can’t hang out on the ocean. Boundary Stones of the District of Columbia https://boundarystones.org/ Rectangular States and Kinky Borders https://mathtourist.blogspot.com/2007/08/rectangular-states-and-kinky-borders.html?m=1 "Chart showing the original boundary milestones of the District of Columbia." Fred E. Woodward, 1906. Geography and Map…

18 mathematicians break my secret santa method

From Standup Mathematician. Learn more about Jane Street’s internship opportunities: https://jane-st.co/SUM-internships Sign up to patreon to get a unique christmas card! https://www.patreon.com/standupmaths A Mathematical Secret Santa Protocol by Katie Steckles https://www.youtube.com/watch?v=ehRTbNIr6-E This is the math stackexchange discussion: https://math.stackexchange.com/a/2896914 The Problems with Secret Santa, Hannah fry on Numberphile. https://www.youtube.com/watch?v=5kC5k5QBqcc Thanks to everyone who took part! Here…