How To Make Extra-Efficient Solar Panels Using Old Blu-Ray Discs

Posted by Mike Confino, November 25, 2014

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You probably don’t think of them that way, but Blu-ray discs have a gorgeous color. In fact, the same physics that gives butterfly wings and housefly eyes their iridescent shine are also at work on Blu-ray. All are examples of what physicists call structural color, which are colors created not from pigments, but from translucent, microscopic shapes that capture light and reflect it in such a way that it appears colored to the human eye.

via How To Make Extra-Efficient Solar Panels Using Old Blu-Ray Discs.

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