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Man is different from an animal only in certain respects. His bodily organs do not differ vastly from those of other mammals such as sheep, cow, a horse or a dog. Yet he is the only animal to invent tools and make use of them. It is so, because he is mentally different. Thus, over the years, he has made many fascinating discoveries through the use of machineries. All of machineries invented fascinate people. However, the most fascinating one is the one that enables man to fly. Since time immemorial, humans have been fascinated by the concept of flying. The desire to scale the heavens and penetrate the fabric of the sky intrigued many ancient geniuses, the most prominent being Leonardo da Vinci. He drew many rudimentary plans of flying machines in the vain hope of inventing a contraption which could maintain a sustained flight in the air. Many of the earlier attempts of air travel reflect the ingenuity of their makers. Some tried to