I am part of the local archaeology group behind the recent discovery of a Roman dodecahedron in Norton Disney, near Lincoln. It has been quite a whirlwind for our group, from the shock on the day ...

There are five platonic solids, the tetrahedron, cube, octahedron, dodecahedron and icosahedron. A prism is a 3D shape with a constant polygon shaped cross-section. A prism is named by the shape ...