Electromagnetic Radiation (EMR) Spectrum Posters

Came across some posters that I found useful for visualizing EMR.

“This poster includes all known ranges of EMR including gamma rays, X-rays, ultraviolet light, visible light, infrared, microwaves, radio waves (ULF, VLF, LF, MF, HF, long, short, HAM, VHF, UHF, SHF, EHF), cosmic microwave background radiation and brain waves, all organized by octaves.”


I often find that early works in an area easier to understand than current work, since the early works are less dense.

Chart of Electromagnetic Radiations

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