Ten-Engine Electric Plane Prototype Takes Off

A team at NASA's Langley Research Center is developing a concept of a battery-powered plane that has 10 engines and can take off like a helicopter and fly efficiently like an aircraft. The prototype, called Greased Lightning or GL-10, is currently in the design and testing phase.

Original: http://www.nasa.gov/image-feature/ten-engine-electric-plane-prototype-takes-off