Mechanical Engineering, February 1st, 2000
Flying creatures have always intrigued us. For centuries, people of all ages have longed for the freedom birds represent and envied the global perspective they flaunt over those of us anchored on Earth.
Since the earliest times, our ancestors understood leverage was to be gained by using the heavens. But knowing exactly how to procure benefits from the skies was a significant challenge.
I remember once reading of a medieval king who was under attack and in need of food and other supplies for his subjects. In order to cease hostilities and open negotiations with his enemy, the king offered hi...
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