View of the 1945 Bell-47D1 helicopter designed by American Arthur Young, 2005. Made of aluminum, steel, and acrylic plastic, this version hangs at...
The Seagen tidal turbine in Strangford Lough, County Down with its beam which holds 16m diameter, twin rotors, lifted out of the water.
The Seagen tidal turbine in Strangford Lough, County Down with its beam which holds 16m diameter, twin rotors, lifted out of the water.
The Seagen tidal turbine in Strangford Lough, County Down with its beam which holds 16m diameter, twin rotors, lifted out of the water.
Vue d'un navire équipé de deux rotors Flettner dans le port de New York City, Etats-Unis au début du XXe siècle.
Sits in front of a sign saying Beware of Jet Blast Propellers and Rotors onboard the US Navy Nimitz-class aircraft carrier USS George H.W. Bush as it...
The exercise equipment of cast iron brake rotors in a handmade outdoor gym in Moscow's Timiryazevsky Park, Russia on July17, 2017. The outdoor gym...
The exercise equipment of cast iron brake rotors in a handmade outdoor gym in Moscow's Timiryazevsky Park, Russia on July17, 2017. The outdoor gym...
Cast iron brake rotors a handmade outdoor gym in Moscow's Timiryazevsky Park, Russia on July17, 2017. The outdoor gym exists since 2012, all the...
The exercise equipment of cast iron brake rotors in a handmade outdoor gym in Moscow's Timiryazevsky Park, Russia on July17, 2017. The outdoor gym...
The exercise equipment of cast iron brake rotors in a handmade outdoor gym in Moscow's Timiryazevsky Park, Russia on July17, 2017. The outdoor gym...
The exercise equipment of cast iron brake rotors in a handmade outdoor gym in Moscow's Timiryazevsky Park, Russia on July17, 2017. The outdoor gym...
War and Conflict, The Vietnam War, pic: circa 1965, near the Iron Triangle, South Vietnam, American paratroopers of the 173rd Airborne Brigade move...越南戰爭
Portable fans are used to cool off the brake rotors at the Toyota/Save Mart 350 practice on June 23, 2017 at Sonoma Raceway in Sonoma, CA.
14th June 1940, Connecticut, USA, First successful helicopter fight at Bridgeport, Connecticut, by the Russian-born aeronautical engineer Igor...
Japan's Nippon Engineering College robot engineer Gentaro Matuura demonstrates a radio controled flying robot, which has four rotors, two are counter...
Japan's Nippon Engineering College robot engineer Gentaro Matuura demonstrates a radio controled flying robot, which has four rotors, two are counter...
Japan's Nippon Engineering College robot engineer Gentaro Matuura displays a radio controled flying robot, which has four rotors, two are counter...
Japan's Nippon Engineering College robot engineer Gentaro Matuura demonstrates a radio controled flying robot, which has four rotors, two are counter...
Japan's Nippon Engineering College robot engineer Gentaro Matuura demonstrates a radio controled flying robot, which has four rotors, two are counter...
Japan's toy maker Happinet, a subsidiary of toy giant Bandai, unveils a wired hovering robot "Airbots" which has two rotors on its shoulders and...
Japan's toy maker Happinet, a subsidiary of toy giant Bandai, unveils a wired hovering robot "Airbots" which has two rotors on its shoulders and...
Japan's toy maker Happinet, a subsidiary of toy giant Bandai, unveils a wired hovering robot "Airbots" which has two rotors on its shoulders and...