Overhead projectors use a bright lamp and mirrors to display text or images from a transparency sheet on a wall or screen. If your projector displays a shadow when projecting, you must ...

Take this Shadow Lamp Color Projector, for instance. It’s basically part light, part art installation — and it can instantly change the entire vibe of your living space.

The shadow aspect of culture is irrational and therefore often subject to projection. Projection is a primitive defense mechanism that occurs in individuals, as well as within groups.