A land speed record . Two young Canadian aerospace engineers push the boundaries of what 's possible . The pair built a human-powered helicopter that claimed an elusive $ 250,000 prize . They also designed perhaps the first flapping-wing aircraft to sustain flight . Score: 6
Two young Canadian aerospace engineers push the boundaries of what 's possible . The pair built a human-powered helicopter that claimed an elusive $ 250,000 prize . They also designed perhaps the first flapping-wing aircraft to sustain flight . Score: 6