(a) Schematic demonstration of the system and the lifting process. The force and energy change involved are highlighted). (b) Hierarchical structure of silk fibers. The single silk fiber consists of tiny silk threads.
Spider silk offers new inspiration for artificial muscle technology. The silk of the Ornithoctonus Huwena spider demonstrates impressive weight-lifting abilities with efficient, water-driven actuation. The triggered stretching behavior of muscle is inherently based in geometry, characterized by a decrease in length and increase in volume (or vice versa) in response to a change in local environment, eg humidity or heat.
“Spider silk is a natural biological material with high sensitivity to water, which inspires us to study about the interaction between spider silk and water,” ...
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