The electromagnetic spectrum, spanning energies and wavelengths from radio waves to gamma rays, encompasses all forms of light. Infrared radiation, located in the range just beyond visible light, is emitted by all matter...

Electromagnetism and the electromagnetic spectrum is the focus of this resource, created in part by the National Aeronautics and Space Administration (NASA). Authors Gibb, Lochner and Newman describe each space telescope...

This website is from the US Environmental Protection Agency on Radiation Protection. It gives an overview of the basics including: Exposure to Gamma Radiation, Health Effects, and Protecting People from Gamma Radiation A...