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"The gloriously colored, iridescent feathers of the male peacock aren't what they seem on the surface. They look that way largely because the feathers contain nanometer-scale protein structures that break up incoming light waves, recombine and reflect them as rich, vibrant colors. Scientists at the University of Michigan think they have a technology that emulates this process to display pictures without chemicals or electrical power. Eventually, the technology could replace the displays now used on smartphones, tablets, and computer screens, with strikingly high definition."
