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An in depth guide to light, optics and colour, covering wave particle duality, reflection, refraction, waves, diffraction, polarisation, birefringence, colour temperature, human perception and more.
Presentation of pictures, photographs, articles and links related to the Aurora Borealis, or northern lights.
What happens when coloured lights are added. An experiment shows the effects of adding red, green and blue. Main site has hundreds of similar useful links with a good search facility.
A brief description of how Christmas Lights work from HowStuffWorks.com.
Just how realistic is it to try and use lighting as a source of power.
An experiment in mixing different coloured lights.
The light tour will let you discover information about light in the universe and how astronomers make use of light wavelengths.
Optics experiments with Infra-Red light, light bulbs and liquid crystal post cards.
A simple introduction to what light is, touching on particle wave duality and other aspects of light. From HowStuffWorks.com.
A summarised view of how the aurora is formed.
Showing 1 - 10 of 260