WEARMATH.COM is proud to release another awesome math t-shirt design. Heawood famously discovered that every map on a torus can be coloured with seven colours, and this is best possible, since the pictured map (Heawood’s Map) depicts a tiling of the torus with seven hexagons, every pair of which shares an edge.
Note that over the coming months we will be changing how the WEARMATH.COM math t-shirt store is organized. Rather than being organized by type of mathematics apparel, the math t-shirt store will be organized by design. This will allow us to provide you with a wider range of products to help you share wonderful mathematical ideas and images.

