Light
The Electromagnetic Spectrum NASA
Electromagnetic Waves What are electromagnetic waves ? Light, microwaves, x-rays,
and TV and radio transmissions are all kinds of electromagnetic waves.
Molecular Expressions Microscopy Primer: Light and Color
Nature's Prism:How Rainbows Work
HubbleSite - Spectrum 101 All electromagnetic radiation travels through space at the speed. The light we can see represents only a very small portion of the electromagnetic spectrum
Electromagnetic Radiation - Encyclopedia Britannica Online
