August 21, 2008

NSF Develops Free-Swimming Sentry


The National Science Foundation has been working on Sentry, an underwater bot that can go deep as 5,000 meters (3.1 miles) without linking to a ship. The 1,212 lb. free-swimming device was built and operated by Woods Hole Oceanographic Institution (WHOI,) who installed 1,000 lithium-ion batteries and various sensors. Designed to swim or hover, it measures such things as ocean temperature and pressure. During its first test, Sentry used a photo-mapping/seafloor imaging system to build maps off the coast of Oregon and Washington.


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Posted by Sheila Franklin at August 21, 2008 8:53 PM
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