Engineering Human Powered Flight - Cameron Robertson

The dream of flying like a bird has eluded man for centuries. Soaring with the birds has eluded the best engineering minds of history, until Cameron Robertson and his partner Todd Reichert put their heads together. In addition to figuring out how to flap their wings and fly, the pair have solved the mystery of human-powered helicoptering, winning a competition prize that had gone unclaimed for 32 years.