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Tech Article

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Submitted By derfshreds
Words 317
Pages 2
Derek Debenham
IS 4410
November 7, 2012
Tech article 4

A lab at MIT has taken inspiration from the humble earthworm for a new technology that could have huge applications in business and society in general. They have created a robot called “Meshworm” that looks like a writhing earthworm. The meshworm has a very simple design that is based on the centuries old principle that different metals expand at different rates when heated. A coil of nickel-titanium wire surrounds the Meshworm’s internal workings like a slinky, and the robot can apply current to create heat and deform the coil in multiple body segments. This allows the “wormbot” to move just like an earthworm. The meshworm can only travel a few millimeters per second but nothing seems to be able to slow it down. Researchers have bashed t with hammers, bent it, kicked it, and even doused it with water, all to no avail. Although it seems like a very small invention, the meshworm has caught the attention of everyone from Johns Hopkins to DARPA. DARPA is the US military’s advanced research arm, and it has expressed an interest in meshworm for reconnaissance and surveillance. The durable nickel-titanium design appeals to the military, and because it is so small it could go unnoticed while it wiggles through keyholes or lays invisible in any crack or crevasse. The Meshworm could have a huge impact on the medical industry. Medical engineers are already imagining the tenacious little robot navigating intestinal tracts, and maybe large blood vessels eventually. The worms could carry cameras inside of a patient to give surgeons sight, or they might physically break up blockage inside of a patient. There are two quick applications for the little worm, but if you give the worm a few years in the public consciousness, the will scheme up many more practical and business applications for this new innovation.

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