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Photodetector Mimics Directional Hearing in Small Animals

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Researchers from Stanford University have drawn from nature — specifically, from the ear structure of the gecko — to devise a subwavelength photodetector that can measure both the intensity and incident angle of light. Gecko ears contain a mechanism similar to the Stanford researchers’ system for detecting the angle of incoming light. Courtesy of Vitaliy Halenov. Geckos and many other animals have heads that are too small to triangulate the location of noises the way humans do. Instead, they have a tiny tunnel through their heads that measures the way incoming sound...Read full article

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