innovation

The answer, I think, is what it almost always is: that inventors are simply extremely rare. People can have all the incentives, all the materials, all the mechanical skills, and even all the right general notions of how things work. As we’ve seen, even Savery himself was apparently inspired by the same ancient experiment as everyone else who worked... See more

One does not get a jet engine by improving the propeller. One does not breed horses until they give birth to a car. Telephones did not come from research on mail. Where on earth did the inspiration for the transistor and these other "leaps" of innovation come from to begin with?