Introduction to light. Topics touched upon include reflection, refraction, interference and includes interactive applets to demonstrate theories. Designed by students for the ThinkQuest Internet Challenge 2000.

(Univ of Florida). A sample electronic lecture or worksheet.

Fascinating facts about polarized light, from rainbows to beetles, from viking navigation to LCD displays. Myths and truth about polarized sunglasses. Also a shop with polarized-only items.

Describes how the speed of light was measured. Includes curriculum-based science quizzes about light for K-12 (grades 4 to 7) students.

Seven-segment detailed explanation uses drawings and animations to show how light works and how photons are generated, with many related links.

How optical fibers work, and information on reflection, refraction, Snell's Law, total internal reflection and critical angles.