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17don MSN
Optical illusion test: Blue, purple or red-- What's the colour of this dot and the science behind it
A biomedical optics engineer discovered a visual illusion where purple dots appear bluer in peripheral vision. This phenomenon highlights how our retinas' cone distribution and a yellow pigment layer ...
NEW YORK — "I think it pisses God off if you walk by the color purple in a field somewhere and don’t notice it,” Shug tells Celie in Alice Walker's “The Color Purple.” In nature, among the priestly ...
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