Since we were kids, our parents and teachers taught us that colors are made up of different hues: red, blue and yellow (the primary colors); violet, green and orange (intermediate colors); and indigo that round up the colors of the rainbow. When we see things, we usually associate them with the color in which they appear in our sense of sight. Apple is red. Leaves are green. The sky is blue. The sun is yellow.However, as we grow older, we learn that colors are more than just a combinatio more...

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