How the Human Eye Converts Light Waves to Color
The rather forthright Captain Disillusion (previously) explains how the human eye processes light wavelengths from the electromagnetic spectrum and converts them into what we know as color. The Captain further explains that the part of the spectrum we view is very, very small and that color does not exist outside the brain.
Related PostsHow Structural Coloration Gives the Morpho Butterfly Its Gorgeous Iridescent Blue ColorSciShow Explains How the Human Eye Sees Color & the Number of Different Colors We Can PerceiveHow Color Blind People See the WorldSciShow Dispels the Myth That Dogs Can't See Color and Explains How They Do See the WorldNASA Video Shows How the Sun Looks in Different WavelengthsThe Primary Reason Why Old Newspapers and Books Turn Yellow With AgeThe most important thing to recognize about color is that it doesn't actually exist. It's true electromagnetic energy exists all around you. And if we sort it by wavelength, your vision is sensitive to a small sliver of that spectrum. But the sliver isn't literally filled with the vibrant hues shown in diagrams, it's just the waves. Colors don't exist outside your brain.
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