A single of these giant wind turbine blades produced by German manufactuer Siemens is almost as big as the wingspan of an Airbus A380, the world’s largest airliner. At 75 meters (246 feet), this massive beast is destined for a prototype 6-megawatt turbine to be erected at Denmark’s Østerild test station.
(via Impressive Beast! World’s Longest Wind Turbine Rotor Blade Measures 246 Feet! : TreeHugger)
(via howstuffworks)