Description
A disc with segments in rainbow colors, when rotated at high rpm will project a near white gray color. The optical
mixing of the colors demonstrate that white light is a combination of the seven colors of the rainbow: red, orange,
yellow, green, blue, indigo, and violet. A gray color rather than a pure white color is produced due to the phenomena
known as ADDITIVE-AVERAGING MIXING.
Early examples of Newton’s Disc at the Virginia Military Institute in Lexington, Virginia and the National Museum
of American History at the Smithsonian show a disc made of transparent segments to be mounted on a lantern
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