Engineers have produced
a robot that mimics a worm's movements crawling along surfaces by contracting
segments of its body. The Pentagon's Darpa research unit supported the Mesh
worm project, telling a potential military use. According to Engineers, soft
body, which is essentially compliant, exhibits large strains and enables the
robot to navigate small openings and reconstitute shape, and survives from
large impact force on falling.
The technique allows
the machine to be made of soft materials so it can squeeze through tight spaces
and mould its shape to rough land. Preceding attempts to create such a robot
have used gears and air-powered or pneumatic pumps. But these added to the bulk
of the machines making them less wise for real-world uses. The Mesh worm is
just one of several animal-inspired projects being funded by Darpa.
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