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Nanoscale Pressure Sensors Mimic Human Skin


Arrays of transistors made of nanowires could form the basis of a new class of devices nearly as sensitive to mechanical force as human skin is, according to research published today in Science.

The inventor of the technology, Zhong Lin Wang, a professor of materials science and engineering at Georgia Tech, says it has immediate applications in human-machine interfaces. For example, it could be used to capture electronic signatures by recording the distinctive force an individual applies while signing. Down the road, says Wang, his group’s pressure sensor arrays could equip robotics and prosthetics with a human-like sense of touch.

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