Christopher Danielson’s Blog


A Very Mathy Gift List

I am obsessed with this shape toy I saw in the gift shop at the Science Museum of Minnesota last week. Seen from above in the first photo, the triangle looks like a triangle. Seen obliquely, we notice that the triangle is embossed on a half-sphere, and so the sides...

wooden tiling turtles spill out of a canvas bag that itself has an image of four tiled turtles on it