colours spectrum

abstract abstraction advanced analysis backdrop background backgrounds black colors colours detect detected discovery effect effects electromagnetic experimentation frequencies frequency gamut gigahertz gradient graphic how illustration infrared intensity know knowledge light line measurement megahertz microwaves motion multi observation perception phenomena principle psychedelic radiation radiations rainbow range rays research saturated science sciences scientific sense senses signal signals spectrum tech technical technology temperature therm thermal thermic transmission ultraviolet ultraviolets vibrant viewable visible visibles vivid wave wavelength wavelengths waves wheel