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Some high-tech prosthetic limbs can be controlled by their owners, using nerves, muscles, or even the brain. However, there’s no way for the wearer to tell if an object is scalding hot, or about to slip out of the appendage’s grasp.
Materials that detect heat, pressure, and moisture could help change this by adding sensory capabilities to prosthetics. A group of Korean and U.S. researchers have now developed a polymer designed to mimic the elastic and high-resolution sensory capabilities of real skin.
The polymer is infused with dense networks of sensors made of ultrathin gold and silicon. The normally brittle silicon is configured in serpentine shapes that can elongate to allow for stretchability. Details of the work are published today in the journal Nature Communications.
MIT Technology Review:
Artificial Skin That Senses, and Stretches, Like the Real Thing, David Talbot
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