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Bonnie Stewart Building Blocks
As you know, I’m really into polyhedra. There have been lots of fascinating books written about polyhedra over the years, but one of the most interesting (and quirky) ones is Bonnie Stewart’s Adventures among...
Vacuum Pump
One tool I haven’t owned is a vacuum pump. That’s because good vacuum pumps are expensive, and cheap vacuum pumps are – well – they’re not good vacuum pumps. So I finally decided to...
Császár Polyhedron
Here’s another interesting polyhedron. It is called the Császár polyhedron. It’s famous because it shares an interesting property with the tetrahedron. Neither of these have any diagonals! If you imagine a tetrahedron (or hold...
Kepler’s Rhombic Polyhedra
Johannes Kepler was an interesting character. He was interested in a lot more than just astronomy. He’s famous among aficionados of polyhedra for organizing all of the new ones that Renaissance artists Wenzel Jamnitzer...
Molasses Ginger Cookies
Last weekend we had the annual neighborhood holiday cookie swap. As usual I was trying to decide what kind of cookies to make, and for so reason molasses cookies really appealed to me. This...
Fire Extinguisher Bracket
Every car should probably have a fire extinguisher on board. That’s especially true for a home-built car. But the Westfield is pretty tiny, and finding room for the extinguisher has been a challenge. I...
It’s Almost Done
Massachusetts has implemented early voting this year, so we went down to Cary hall and voted today.
Barth Sextic
The Barth Sextic is an interesting surface that’s often used to show off rendering software. I used it in this post on my MathWorks blog when I was talking about how to render implicit...
Station 42058
I don’t know whether you saw this post I did on my MathWorks blog, but I find the NOAA weather buoys pretty fascinating. You can look up a buoy and get all sorts of...
