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Using bundles of vertical zinc oxide nanowires, Georgia Tech researchers have fabricated arrays of piezotronic transistors capable of converting mechanical motion directly into electronic controlling signals. The arrays could help give robots a more adaptive sense of touch, provide better security in handwritten signatures, and offer new ways for humans to interact with electronic devices.
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A seahorse tail’s exceptional flexibility is due to its structure, made up of bony, armored plates, which slide past each other. Researchers at the University of California, San Diego, are hoping to use a similar structure to create a flexible robotic arm equipped with muscles made out of polymer, which could be used in medical devices, underwater exploration and unmanned bomb detection and detonation.
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Inspired by the biology of a fly, with submillimeter-scale anatomy and two wafer-thin wings that flap almost invisibly, 120 times per second, a tiny device from Harvard University researchers represents cutting-edge micromanufacturing and control systems.
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Inspired by the complex fly eye, an interdisciplinary team led by researchers at the University of Illinois at Urbana-Champaign and Northwestern University has developed a hemispherical digital camera with nearly 200 tiny lenses, delivering wide-angle field of view and sharp images.
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