Color and Color Vision
Explains additive and subtractive colour mixing, the mixing of wavelengths, Newton's dispersion of white light to show the colours of the rainbow.
How Does a Pinhole Camera Work?
Explains the principles behind the pinhole camera.
How Light Works
Explains light in terms of photons to explain reflection, refraction and absorption.
How we see Colour
Explains human perception of colour and optical illusions in depth with clear diagrams.
Light and Optics: Online Meteorology Guide
Introduces optical effects resulting from light interaction with air, dust and haze particles, ice crystals and water droplets.
LightForest: The Holographic Rainforest
Explains what is an hologram and the physics behind it. Also shows a variety of examples gathered in a virtual exhibition.
Optics 4 Kids
Tells about the science of light and answers common questions. Also explores careers in optics. From the Optical Society of America.
Optics for Kids
An overview of the basics of optics, also discusses careers in science and engineering.
Skytopia - Colour and Light Trivia
Amusing guide lists various oddities about colour and light. Find trivia on 3D, mirrors, light bulbs, and contradictions about the perception of colour.
The Reflection and Refraction of Light
Uses geometry to predict reflection from plane and spherical mirrors, and looks at how speed and wavelength varies with different media.
The Speed of Light
Defines the speed of light and describes how man learned to measure it. Includes interactive quiz.
What Makes an Object Coloured
Explains principles of reflection, refraction, absorption and transmission to explain how objects are a particular colour.