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Underwater

Marine

Seawolf sub takes your GoPro on an undersea voyage

While there are plenty of aerial drones that show us our surroundings from up in the air, there are far fewer remote-control devices that let us see what's lurking beneath the surface of the water. Although the Aquabotix Hydroview is one, at around US$3,000 it certainly isn't cheap. While still not inexpensive, the newest version of the TTRobotix Seawolf is considerably less pricey – partly because it incorporates the user's existing GoPro actioncam.Read More

Robotics

CoCoRo underwater mini-robots school like fish and share knowledge

Starting in April 2011, the European Union CoCoRo (Collective Cognitive Robots) research consortium has been developing three varieties of autonomous underwater robots that school together like fish. By doing so, the little bots can share and learn from each others' "knowledge" of their environment, acting as a collective cognitive system that's smarter than any one of its individual parts.Read More

Marine

Submersible photographs WW2 Japanese sub's long-lost airplane hangar

Until the 1960s, Japan's three I-400-class subs were the largest submarines ever built. They were so large, in fact, that they could each carry and launch three Aichi M6A Seiran amphibious aircraft. The idea was that the submarines could stealthily bring the planes to within striking distance of US coastal cities, where they could then take off and conduct bombing runs. Now, for the first time since it was scuttled at the end of World War II, one of the sunken subs' aircraft hangars has been photographed.Read More

Military

Anglo-French project aims at using robots to fight underwater mines

If you hunt unexploded sea mines for a living, then you might not mind losing your job to a robot. That seems to be the reasoning of the British and French governments, as they embark on a joint venture to develop a prototype autonomous system for detecting and neutralizing sea mines and UnderWater Improvised Explosive Devices (UWIED).Read More

Military

US Navy shows off helium-saving deep-dive suit

Deep sea diving is more than just slapping on an air tank and jumping in the water. It's a complex operation where the diver is the sharp end of a long, complex logistical train. It's also incredibly wasteful when it comes to the helium/oxygen gas mixture that the divers breathe, so US Navy scientists at the Naval Surface Warfare Center Panama City have developed a new prototype deep-diving system that goes easy on the helium.Read More

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