A Problem Squared10 Nov 2025

121 = Bi-annuals and Diagonals

🗓️ 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.

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Episoder(147)

143 = What Comes After Thrice and Coffee Roulette Advice

📖 What comes after thrice?☕ How can I increase my chances of winning a free coffee?🎹 And we have some Any Other Beatness Thank you to everyone who sent in audio or visuals of the Thue-Morse pattern!...

14 Sep 53min

142 = How Long Would YouTube Take to View and How to Display Without Glue or Screws

📺 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 cra...

31 Aug 59min

141 = What If Peer Was More and What If Pi Was Four?

👬 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…Head to our BlueSky/Twitter/Instagram to see Bec’s selfies with The Stars o...

17 Aug 58min

140 = ABBABAAB and AI-Bah!

⚽ What’s the fairest way to pick teams?🤖 How do you discourage colleagues from using AI to write everything?🚗 And this road trip is jeopardised by playing ‘Accelerator or Break?’Thanks to all of you...

10 Aug 1h 10min

A Problem... Delayed

There's no new episode of A Problem Squared this week - sorry everyone - but we will be back with your scheduled Episode 140 on MONDAY 10TH AUGUST 2026, and our normal twokly service will be resumed f...

3 Aug 50s

139 = Music Down Where It’s Wetter and Throwing Darts Better

🎺 What would standard instruments sound like if they were played under water?🎯 What would be the average score of one randomly thrown dart?📂 And there’s some Any Other Business.AOB.zipOn THIS episo...

20 Jul 56min

138 = Crossword Panels and Crossing Channels

📝 What is the perfect arrangement of black squares in a crossword?🚣 Does weight on an aqueduct increase as a boat goes over it?🛟 And there’s some Any Other Boardness (not ‘boredness’)Head to our Bl...

6 Jul 59min

137 = Sound Advice and Electron Price

👂Why do some people hate the sound of whispering?💡 How much does an electron cost?😎 And there’s some Any Other BozonessOn THIS episode of A Problem Squared - which comes with our special No Whisper...

22 Jun 1h 11min