Qinetiq's Sentry is one stealthy boat
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It looks like a Jet Ski, but it's really a remote-controlled aquatic drone for harbor security and battlefield recon. And it's fast.
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Walks on water; but can't turn it to wine American boffins report that they have developed the necessary technology for robots which can walk on water.â¦
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MADEIRA BEACH, Fla. -- What the undercover agents ordered, over and over, was the grouper.
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The Pentagon's way-out researchers want to use a screen of directed sound to turn noisy tanks and Humvees quiet and stealthy. In Danger Room.
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Broadband Instruments, a stealth company first covered here, launches its Slacker music ecosystem soon. In Listening Post.
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"In search of solitude, they set out on a clandestine sail to   recapture simple pleasures--fresh salt air on the face, a sunrise on the   ocean, and wind in their hair."
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Science & environment: An armada of robot submarines and marine sensors are to be deployed across the Atlantic
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Â· Secret military programme nears completion  Â· Vessels may undergo sea trials next year
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PHILADELPHIA _ A submersible, robotic glider that took on the frigid waters of the Antarctic has wowed oceanographers by collecting in 24 days almost as much data as research vessels had gathered in 12 years.
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The next big use for iRobot's bots: patrolling international borders.
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Stealth through persistence of vision A US unmanned aerial vehicle (UAV) manufacturer has been granted patents on an "invisible" surveillance platform which relies on persistence of vision to achieve stealth, Aviation Week &amp; Space Technology reports.â¦
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The Sea Phantom is a prototype high-speed boat, which almost flies above the water, using an aerofoil-shaped body and a pair of spring-loaded hydrofoils.
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QUAKERTOWN, Pa. _ Capt. Charlie Roth opened a valve on his powerboat, disappearing in a momentary vapor cloud.
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A remote Mars life-detection strategy is being tested in the fjords of Scandanavia, with a goal of eventually identifying even a single biological cell hiding in the rugged landscape.
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Cocooned inside a Cape Town warehouse  is South Africa's bid for power on the seas: a $1.5 million  Stealth catamaran, the latest offering from a burgeoning  boat-building industry.
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Just in case the fish speak, the Optio W30 shoots 30 frames a second while recording sound.
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The Coast Guard is planning a base to deal with ships that are plying the Arcticâs increasingly ice-free waters.