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
