Math Monday: 3D Hilbert curve in steel pipe
By George Hart for the Museum of Mathematics Back in March, this column showed a 3D Hilbert curve made of 64 PVC plumbing elbows arranged in a 4x4x4 cube. Chaim Goodman-Strauss has since outdone himself with an 8x8x8 cube of 512 steel elbows that he made with Eugene Sargent: It is springy, but strong enough […]