Nanotech material reflects light to display pictures without chemicals or electricity.
via LiveScience.com http://www.livescience.com/27372-harnessing-the-power-of-peacocks-to-make-colorful-images.html
via LiveScience.com http://www.livescience.com/27372-harnessing-the-power-of-peacocks-to-make-colorful-images.html
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