There is one common denominator, an art, that explains why humans, in less than twenty-five years, would be able to travel from a maximum 660 mph to 4,400 mph within our skies and 18,000 mph to leave our atmosphere and land on the moon, 238,000 miles away .. or that passengers could take off and land between any two airports in the world within one day .. or that we went from tubes to transistors to integrated circuits .. and how we could communicate...