A pyramidal prism/angular cube reflector is always used to reflect a beam of light into the prism, regardless of the direction of the beam. Corner prisms are widely used where accurate alignment is ...

A pyramid is a 3D shape with a flat base, and triangular edges that meet at a point. The base of the pyramid can be any polygon. A glass sculpture in the shape of a square based pyramid is to be made.

An intriguing photo projection system uses only black images and a prism to project full-color imagery. The collaboration between Dartmouth College and Disney Research Zürich could result in future ...