HLEC
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Robots could get soft, stretchable skin that changes colors
Researchers from Cornell University have developed a potential skin material that lights up and stretches to more than six times its original size. The so-called hyper-elastic, light-emitting capacitors (HLECs) are made from transparent hydrogel electrodes wrapped around an insulating dielectric sheet, allowing them to light up when stretched or rolled. Since the skin can handle twice as much strain as earlier materials, it could function as a skin for soft robots that light up to display "emotions."
