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Two young Canadian engineers, Cameron Robertson and Todd Reichert, built a giant but lightweight helicopter in 2013. Powered by Reichert, who was suspended under the rotors on a bicycle frame, pedaling hard, “Atlas” took to the air and hovered for just over a minute, winning the coveted Sikorsky Prize, which had eluded aeronautical designers since the 1980s.


>> View all Atlas helicopter videos here

 

 

 

via scientificamerican.com