NASA Science How Light Works - Gamma Waves, The Electromagnetic Spectrum.

NASA Science - The Electromagnetic Spectrum - Gamma Waves.
Welcome to the Tour of the Electromagnetic Spectrum. This unique NASA resource on the web, in print, and with companion videos introduces electromagnetic waves, their behaviors, and how scientists visualize these data. Each region of the spectrum is described and illustrated with engaging examples of NASA science. Come and explore the amazing world beyond the visible!