Gallery: Scientist Develops Water-Resistant Solar Panel Coatings Inspir...

Yang Holographic Butterfly Material

Butterflies are beautiful, delicate marvels of nature. While their lovely appearance may be inspiring, there’s nothing a butterfly can teach us about renewable energy – or is there? An ambitious University of Pennsylvania professor named Shu Yang recently used holographic lithography to develop a material that mimics the iridescent and water-resistant qualities of butterfly wings. The project garnered enough attention that the teacher landed a grant to develop butterfly-inspired hydrophobic coatings for drier, cleaner and hence more efficient solar panels.

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