Optical Society
Optical Society of America: Optics for Kids: Watch Tv Upside Down
An experiment to invert a television image using a magnifying lens. Accompanied by an explanation of what's happening.
Optical Society
Optical Society of America: Optics for Kids: Make a Light Fountain
A simple experiment that demonstrates the concept of total internal reflection, and shows how light can travel around curves and corners, as it does in fiber-optic cables. Accompanied by an explanation of what's happening.