Bruce Patterson’s “Cube90”

If you’re a subscriber to Cubism For Fun (and if you’re not you should be!), you will recognize Bruce Patterson as the author of several puzzle design articles. A few years ago he designed a cubic puzzle of 90 interlocking pieces called Cube90 and built one from wood. I later helped with modeling the pieces so that they could be 3D printed. And here’s the result: With 90 pieces it’s probably impossible to solve by […]

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Gathering 4 Gardner 2022

Martin Gardner is probably best known for the Mathematical Games column he wrote for Scientific American from 1956 to 1981 and for his books on recreational math. His influence on several generations of mathematicians and computer science researchers is hard to overstate and in 1993 his fans started a bi-annual Gathering 4 Gardner conference in his honor. The 14th gathering, G4G14, is currently under way here in Atlanta, Georgia. It’s a multi-day event filled with […]

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