Researchers in South Korea have built an artificial muscle that can lift approximately 4,000 times its own weight. They say it can be used in future humanoid robots.
A key breakthrough with the muscle’s design is its ability to be flexible or taut when needed, which is a first for this field of research. The scientists outlined their findings in a study published Sept. 7 in the journal Advanced Functional Materials.
“This research overcomes the fundamental limitation where traditional artificial muscles are either highly stretchable but weak or strong but stiff,” lead study author Hoon Eui Jeong, a professor of mechanical engineering at the Ulsan National Institute of Science and Technology (UNIST), said in a statement. “Our composite material can do both, opening the door to more versatile soft robots, wearable devices, and intuitive human-machine interfaces.”
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