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Mesh Robot Crawls Like an Earthworm
Researchers at MIT, Harvard, and Seoul National University have created a soft autonomous robot that moves via peristalsis, crawling across surfaces by contracting segments of its body, much like an earthworm. The robot has been dubbed ?Meshworm? for the flexible, mesh-like tube that makes up its body. "Artificial muscle? was created from wire made of nickel and titanium - a shape-memory alloy that stretches and contracts with heat.
Meshworm is remarkably resilient and may be useful for navigating rough terrain or squeezing through tight spaces.

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