Exploring the Science of Light

This Web site created by the Optical Society of America is devoted to everything optics. Users will find activities combining Jell-O and laser pointers, definitions of terms like acousto-optics and retroreflection, profiles of optics celebs who are changing our world and an optics timeline stretching from prehistory to the present. It includes tutorials featuring interactive applets and the optical illusions that are sure to make you scratch your head.