A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

A prism has a constant cross-section throughout its length. When the cross-section is a triangle, the prism is called a triangular prism. When the cross-section is a hexagon, the prism is called a ...

Remember Etch A Sketch? Created by a French inventor in the late 1950s in his basement, but sold through the Ohio Art Company, it kept thousand of kids and adults entertained for decades, event today.

News: a new generation of 3D printing pens will "improve the creativity of everybody" and "give the world a new way to communicate," according to the designer of the Lix pen, which launched on ...