Incredible Poster Reference Guide of The Electromagnetic Radiation Spectrum
Take a closer look at this fantastic high quality image of the Electromagnetic Radiation Spectrum created by unihedron.com. Taken from the “How to read this chart” area of the image:
This chart is organized in octaves (frequency doubling/halving) starting at 1Hz and going higher (2, 4, 8, etc) and lower (1/2, 1/4, etc). The octave is a natural way to represent frequency.
The informational headlines are as follows:
Ultraviolet Light, Emission and Absorption, Cosmic Microwave Background Radiation, Television, Radio Bands, Sound, Gravity Waves, Brain Waves, Electromagnetic Radiation (EMR), Gamma Rays, Visible Spectrum, Infrared Radiation, LASER, Polarization, Refraction, Reflection.
Some other reference documents and information: