A scientific breakthrough with the "wonder material" graphene has opened up the possibility of indoor solar cells that capture energy from indirect sunlight, as well as ambient energy from household devices. Researchers from the University of Surrey in the U.K. studied the eyes of moths to create sheets of graphene that they claim is the most light-absorbent material ever created. "We realized that the moth's eye works in a particular way that traps electromagnetic waves very efficiently," Professor Ravi Silva, head of the Advanced Technology Institute at the University of Surrey, tells Newsweek. "As a result of our studies, we've been able to mimic the surface of a moth's eye and create an amazingly thin, efficient, light-absorbent material made of graphene."
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