submarine

Using recycled old oil barrels and tools purchased at a second hand market; amateur inventor Tao Xiangli built a homemade submarine. The Beijing native’s fully operational submarine has a periscope, depth control tanks, an electric motor, manometer and two propellers. VIsit: http://www.greenmuze.com/climate/travel/1525-the-homemade-submarine-.html

Imagine an underwater vehicle powered by people propulsion. The Blue Space: Dry Multi-Role Underwater Vehicle with Muscle Power is a vehicle design project from the Saint Petersburg State Marine Engineering University in Russia that allows individuals to travel under the sea at a depth of 30 meters with thrust provided by pedalling the vehicle. Visit: http://www.greenmuze.com/climate/travel/1044-people-powered-submarine-.html