Have you ever wondered why the cover of a manhole is nearly always round? Why isn’t it oval or square? Reuleaux curve based on an equilateral triangle. Reuleaux curves based on the pentagon (top) and ...

Nanoleaf debuted its latest smart light panel system this year with Shapes. The first option was Shapes – Hexagons and Triangles and Mini Triangles have arrived as well. As you’d hope, all three of ...