A Problem Squared

121 = Bi-annuals and Diagonals

A Problem Squared

Show Notes

🗓️ Does bi-weekly mean every two weeks or twice a week? 🧊 What is the name of the line between two opposing corners of a cube? 🕑 And daylight will be saved with some Any Other Brightness.

For more on Rupert and Nopert Shapes: Euler Brick: https://mathworld.wolfram.com/EulerBrick.html Tom7 - Rupert's Snub Cube and other Math Holes: https://www.youtube.com/watch?v=QH4MviUE0_s Tom7’s Print files for Platonic, Archimedean and Catalan Solids: https://makerworld.com/en/models/1617011-platonic-archimedean-and-catalan-solids#profileId-1706419

Follow Dr Ben Whittle, The Excellent Etymologist, on Instagram! @schnebwhittle

Joey Parrish and his Sega Slides https://github.com/joeyparrish/sega-slides

See Matt on tour! http://standupmaths.com/shows Specifically, see Matt in London on Monday 1st December! https://lwtheatres.co.uk/whats-on/matt-parker/

Or if you would like to see Bec in Brighton on Monday 1st December, tickets are here: https://www.komedia.co.uk/shows/john-luke-roberts-geoffrey-chaucers-mediaeval-christmas-festivitye/

Here’s how to get involved with Matt’s Moon Pi Kickstarter: https://www.kickstarter.com/profile/standupmaths

And here’s how to volunteer for Calculate Pi By Hand with Matt: https://forms.gle/w44THpNJ3jWUPqHy6

Join us on Patreon for early releases and our monthly bonus podcast I’m A Wizard. If you’re already on Patreon and have a creative Wizard offer to give Bec and Matt, please comment on our pinned post!

If you want to (we’re not forcing anyone) please do leave us a review, share the podcast with a friend, or give us a rating! Please do that. It really helps.

Finally, if you want even more from A Problem Squared you can connect with us and other listeners on BlueSky, Twitter, Instagram, and on Discord.

More from A Problem Squared

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Sep 28, 2026

#️⃣ How wrong can a sequence of numbers be? 👂 What maths-related diagrams that would look good as a pair of earrings? ☕ And we have some Any Other Baristaness

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📖 What comes after thrice? ☕ How can I increase my chances of winning a free coffee? 🎹 And we have some Any Other Beatness

Aug 31, 2026

📺 How long would it take to watch all of YouTube? 🪧 How can you make an interesting public display board without damaging the walls? 🏖️ And we have Any Other Beachness (it’s a bit windy and a bit crabby)

Aug 17, 2026

👬 How do you know if a work-friend is a real-friend? ⭕ What would happen if Pi was 4? 😴 And we have Any Other Boring-Stories…

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