Visible spectrum
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The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light. The optical spectrum
White light is dispersed by a glass prism into the colors of the visible spectrum.
Newton's observation of prismatic colors (David Brewster 1855)
Electromagnetic radiation
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In physics, electromagnetic radiation or an electromagnetic wave is a self-propagating wave of the electromagnetic field that carries momentum and radiant energy through space. It encompasses a broad
James Clerk Maxwell (1831–1879)
Aurora Space Shuttle EO