An informative explanation of the electromagnetic spectrum including many visuals and great explanations on how we can use the various parts of the spectrum every day.
NASA
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This site provides an interactive Java Applet that allows students to mix red, yellow, and blue to see what the resultant colors will be.
The Interactive Library
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Basic explanation and diagrams of atomic structure and how it relates to light energy.
Goddard Space Flight Center
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Need to study for Physics? Here are some questions to help you out!!!
StudyStack
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Physical optics including text and interactive Java applets. Covers optical instruments as well as phenomena.
Science, Optics and You
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A nice tutorial on how microwaves work.
Microwave Ovens
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This is a simulation of color addition.
Additive color applet
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General information and animations about light and optics. Also includes a link to other resources.
Optical Research Associates
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Description, diagrams and equations for reflection and refraction of light.
Boston University
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