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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