I liked the look from inside the five full twists of this helical playground piece.
3D Printed Torus Knot
My students and I experimented a bit with 3D printing at the end of the year (as part of my always-do-something-new strategy). This (5,3) Torus knot was one of our successes.
I see a lot of possibility for 3D printing in my classrooms next year, and I’m looking forward to thinking and learning more about it.
Math Photo: Hyperbolic Canopy
The geometry of a hyperbolic paraboloid makes it a good choice for a canopy. The posts of different heights create a natural path for rainwater to flow off the tarp, eliminating the chance of standing water collecting in puddles on top.
Except maybe for a single drop at the saddle point!
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Bridges 2014 — Math and Art
The 2014 Bridges Math and Art conference will be held August 14th through 19th in Seoul, South Korea.
The Bridges organization has been hosting this international conference highlighting the connections between art, mathematics, and computer science since 1994. I have participated in several Bridges conferences, and my experiences there have greatly influenced me as a mathematician and a teacher.
I am proud to have two photographs in this year’s art exhibit. You can see my work here, and you can peruse the entire 2014 Bridges Art Gallery here.
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Pizza and Steven Strogatz
Ever since Steven Strogatz shared his go-to story about how math is beautiful, I find myself unknowingly rearranging things on pizza night.
Semicircular pizza of radius r
Approximating pizza rectangle with Area






