Scientists have developed an experimental array dubbed smart skin, which has the same touch sensitivity as real human skin. The technology could be used for the development of improved prosthetics and could also help give future robots a better sense of touch.
The array developed by a joint U.S. Chinese team at the Georgia Institute of technology is based on a technique called mechanical agitation. More specifically, the smart skin is equipped with about 8,000 touch-sensitive transistors also known as taxels. When mechanically agitated, the transistors generate a piezoelectric signal, meaning that they emit electricity when under mechanical strain.












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