View photo. (Park et al, Ulsan National Institute of Science and Technology) Our skin is our largest organ. And it's amazingly sensitive, capable of feeling everything from the burn of a hot stove to the caress of a lover. But reproducing those sensations in a machine isn't easy. It requires mimicking the skin's sophisticated geometery and function. Despite these obstacles, scientists have just come a big step closer. A team of researchers has...
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