Plenty of researchers are working on making soft robots safer and stronger. Researchers at the Wyss Institute, Harvard SEAS, and MIT CSAIL have come up with an origami-inspired approach to create artificial muscles capable of lifting 1000x their own weight.
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These muscles are made of a compressible skeleton with air or fluid in a flexible skin. Pressure difference is used to power these muscles. According to the researchers, multi-directional motions can be programmed into the material. Robots that use these can grip, lift, and twist objects. A variety of materials and fabrication methods can be used to make low-cost artificial muscles for a variety of tasks.
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