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Bioinspired Metamaterial Shows Potential for Optical Devices, Energy Harvesting, Signature Management

Synthetic microspheres with nanoscale holes can absorb light from all directions across a wide range of frequencies, making them a candidate for antireflective coatings, according to a team of Penn State engineers. The synthetic spheres also explain how the leaf hopper insect uses similar particles to hide from predators in its environment. “We knew our