Tag Archives: Artificial Muscles

Spider silk could be used as robotic muscle

by Massachusetts Institute of Technology, Phys.org

Spider silk, already known as one of the strongest materials for its weight, turns out to have another unusual property that might lead to new kinds of artificial muscles or robotic actuators, researchers have found.

The resilient fibers, the team discovered, respond very strongly to changes in humidity. Above a certain level of relative humidity in the air, they suddenly contract and twist, exerting enough force to potentially be competitive with other materials being explored as actuators—devices that move to perform some activity such as controlling a valve.

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