Gregory Sancoff built the “attack helicopter of the sea.” Will the Navy buy it?
Meet the DRAGON that flies under the sea: $1.5 million personal submarine is as simple to operate as a drone | DeepFlight has revealed new submarine that hovers and glides under the ocean | Two-seater craft with technology that allows anyone to pilot the submarine | Uses lithium iron phosphate batteries, runs for six hours and only needs two hours to recharge [Futuristic Submarines: http://futuristicnews.com/tag/submarine/ Futuristic Boats: http://futuristicnews.com/tag/watercraft/]
concept ships: Machines of Adventure by Mike Jelinek
Truque : Photo
Incredibly, aerogel is as strong as steel, and virtually as light as air.