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Electronic sensor rivals sensitivity of human skin

ananyo (2519492) writes | more than 2 years ago

Science 0

ananyo (2519492) writes "A flexible electronic sensor made from interlocking hairs can detect the gentle steps of a ladybird and distinguish between shear and twisting forces.
The sensor consists of two interlocking sheets of nanfibres. When the sensor sheet is pressed, twisted or brushed, the squishy, metal-coated hairs change position, generating changes in the sensor’s electrical resistance (abstract). Such subtle tactile input would be very useful for robots designed to interact with people, says Matei Ciocarlie, a scientist at robotics company Willow Garage. “Skin has been an overlooked part of robotics”, says Ciocarlie, because it poses such a challenging problem: in addition to being robust, sensitive and flexible, it needs to be made in very large sheets."

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