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Adam Rogers: Full Spectrum: The Science of Color and Modern Human Perception

Long Now

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The Ultimate Color Wheel

The oldest color wheel is a circle of vials of liquid that are either from clear through yellow to dark brown. It enabled Arab scientists in the Abbasid period to figure out how spectrum and how spectrum rainbows work. The thing I like about that the most is that you have to have these glass vials, you know, around.

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