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Humans see seven colors of the rainbow, with an infinite number of shades. At age 23, Issac Newton began pondering the question of where colors come from, an internal light inside of the head? or if they exist in the external world?. To test this observation, Newton poked a pin in his eye. This lead to no conclusion but without question his next observation involving a prism is world famous. He called it a colored image of the sun. At the time people believed white light was a holy pure candid color given by god. The prism essential generated the colors form the white light-adding impurities to the light. He further tested his observation with a second prism and found nothing happened. The first prism divided light having white light constituted of all colors, putting us on the road to discovery that colors are wavelengths of energy.
Whether color is a physical thing in the physical world or simply created in our mind, I believe these are questions only the gods know. Scientists believe colors are an objective reality, but humans perception of colors are truly tricks of the imagination because there are no perfectly objective view of colors. Furthermore, the color black humans observe when the sun goes down has been recently claimed to be an actual substance that we simply cannot see. Dark Matter is a force that repels gravity known as Dark Energy. A thought to ponder when the discussion of color arises.
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