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White light spectrum. Colorless or white light as perceived by human eye actually consists of many colors or wavelengths of light. Photographed here is a beam of white light that is dispersed (decomposed) into different colors by a glass prism.
GIPhotoStock/Visuals Unlimited, Inc.
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Visuals Unlimited, Inc. specializes in, microscopy, healthcare, medical, wildlife, underwater, agriculture, and science stock photography.