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   Dan Drake 🦆 (ddrake@mathstodon.xyz)'s status on Tuesday, 30-Sep-2025 10:45:53 JST Dan Drake 🦆

   Achievement unlocked: I have ridden a bicycle with square wheels. This is from earlier this week at our department's "block party" for our majors and interested students.

   I'm proud (and a bit intimidated TBH) to work in the same department as Stan Wagon, the mathematician who made the square wheel bike -- and the surface on which you can ride it.

   https://stanwagon.com/

   https://www.macalester.edu/mscs/multimedia/squarewheeledbike/squarewheelbike/

   #HeyMac #macalestercollege #bicycling #catenary

   • Embed this notice
     Paul Cantrell (inthehands@hachyderm.io)'s status on Tuesday, 30-Sep-2025 10:45:56 JST Paul Cantrell

     in reply to

     • myrmepropagandist

     @futurebird @ddrake

     Catenaries IIRC! The shape of the road is surprising, and Stannhas a write up of it somewhere…

   • Embed this notice
     myrmepropagandist (futurebird@sauropods.win)'s status on Tuesday, 30-Sep-2025 10:45:58 JST myrmepropagandist

     in reply to

     @ddrake

     Are those cycloids?

   • Embed this notice
     Paul Cantrell (inthehands@hachyderm.io)'s status on Tuesday, 30-Sep-2025 10:48:10 JST Paul Cantrell

     in reply to

     • myrmepropagandist

     @futurebird @ddrake I think this is what we’re looking for: https://www.macalester.edu/mscs/wp-content/uploads/sites/591/2011/07/catenaries.pdf