Articles about submarine

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DARPA DASH robot detects enemy subs
Autosub6000 underwater submarine robot maps and takes pictures of the ocean floor
Personal Submarine Lets You Spy on Undersea World Alone
AquaVenture SeaBird: the world's fastest personal submarine?
Homemade submarine can stay submerged for 10 hours
Fluid cloak for 'invisible' submarines
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Jialong submersible from China to complete world's deepest dive
ACTUV Tactics: submarine game designed to help the navy
Germans develop a remote-controlled stomach submarine
Personal Submarine is new mode of transport for uber rich
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Scubster pedal-powered submarine