'A bird is an instrument working according to mathematical law... which it is within the capacity of man to reproduce.' -Leonardo da Vinci The Wright Brothers may have invented the first airplane, made the first successful flight, and gone down in history as aviation pioneers, but the theory of flight goes back far before those boys were born.          As early as the 16th century, Leonardo da Vinci had drawn things resembling a helicopter. Without …showed first 75 words of 2107 total…

…showed last 75 words of 2107 total…he piloted the fifth flight. How would your life be different if the Wright Brothers were not so persistent? How would the would be different? Planes are a huge part of our lives. Our mail is delivered quicker because of them, our country is safer because of them. We can cross the ocean in less than a month because of them. We can get where we need to go in a hurry because of them. 11 4