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A robotic crab for exploring the ocean


 

Divers have long been limited by human ability to maneuver in fast-moving currents. That’s where the Crabster comes in. The six-legged, 1,500-pound mechanical underwater robot is ready to help scientists explore previously unreachable sea beds. It stabilizes itself by putting its head down, its rear up, and facing the water flow, and can dive as deep as 660 feet. It also comes equipped with 11 cameras, sonar, and an acoustic Doppler current profiler to send information back to the surface.

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