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

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.

A collection of information, lessons and quizes about photonics, taught by Tux.

A 3D interactive computer graphics system that instructors can use to help teach optics, and that students can use to simulate and visualize optical phenomena to help them learn about optics.