Two years later we ourselves made flights. This demonstration of my impotence as a prophet gave me such a shock that ever since I have distrusted myself and av

Two years later we ourselves made flights. This demonstration of my impotence as a prophet gave me such a shock that ever since I have distrusted myself and avoided all predictions. Wilbur Wright Isn't the below an over-optimistic failed prediction? a few decades hence, energy may be free—just like the unmetered air.... John von Neumann