Khan Academy Static

In these videos and articles you'll learn about the different categories of the electromagnetic spectrum; radio waves, microwaves, infrared, visible, ultraviolet, x-ray, and gamma ray. You'll also learn what it means for light to be polarized, and how polarized light can allow for the creation of 3D movies.

10177_Polarization_of_light_linear_and_circular.html

10176_Electromagnetic_waves_and_the_electromagnetic_spectrum.html