&quot;Sub hunters&quot;: Detecting the enemy beneath the sea
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They call themselves &quot;sub hunters,&quot;  men and women trained to detect enemy submarines gliding in the  depths of the world&#39;s oceans.
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With the twist of a knob, electronics technician Erik White sent a burst of sonar into the water just west of Bassetts Island off Pocasset. About 20 feet from the boat where White stood, a small bright yellow watercraft came to life.
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How do corals monitor the moonâs phases and know when to start mingling? Scientists report theyâve found the answer.
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Fighting an enemy as invisible as he is deadly
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History suggests the spy technology we build to catch terrorists will eventually be used to bust minor scofflaws. Commentary by Jennifer Granick.
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The latest hot homemade video claims that Coast Guard patrol boat security camers have blindspots. But in the YouTube age, viewers should be wary of their own
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Deep sea treasure hunters face charges of operating as modern-day pirates. They, however, prefer to see themselves as "commercial archaeologists".
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Four breaks in undersea internet cables have some speculating that terrorists or the U.S. military are to blame. But telecom experts say the pattern is at most a bit suspicious, and probably just business as usual at the bottom of the ocean floor.
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A new technique measures visual clutter, creating a tool for desginers of all types.
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Pork-based artificial shark goes to sea The US Navy's plan to detect mines and other underwater objects by their electrical fields - in the same way as sharks and rays find prey - has moved closer to reality.â¦
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An airport trains its radar on the ground in search of an enemy that can destroy planes: foreign object debris. By John Hudson.
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Monitoraggio dei ricercatori del Tethys in santuario Pelagos
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The best oceanographers in the world never studied at a university. Yet they know how to navigate expertly along oceanic fronts, the invisible boundaries between waters of different temperatures and densities.
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Japan&#39;s navy went on alert yesterday when an unidentified submarine made a brief incursion into the country&#39;s southern waters near Okinawa, and Tokyo was trying to determine where the vessel came from.
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It started out listening for enemy submarines, once plied the oceans searching for drug traffickers and recently ran aircraft surveillance for ships gearing up for duty in the Iraq war.
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Looks to commercial surveillance tools
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A tsunami detector built from ordinary PCs linked over a peer-to-peer network has been demonstrated in Austria.