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If you stare at a bright incandescent light bulb for even a short time and then close your eyes, you will continue to see an afterimage of that light bulb for a relatively brief period. But you will notice that even though the light bulb has a yellowish hue, your afterimage will appear somewhat blue. This phenomenon supports the theory of color vision

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If you stare at a bright incandescent light bulb for even a short time and then close your eyes, you...

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