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Where does black fall on the color spectrum? – Utsav, age 17, Navi Mumbai, Maharashtra, India People love the rainbow of ROYGBIV colors: red, orange, yellow, green, blue, indigo and violet. Human eyes ...
How many colors are in the rainbow? Seven said Sir Isaac Newton. Of course, Newton knew that a spectrum is just that, a continuous gradation from one color to another. But not all colors are equal.
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