(1962)<p>> ABOUT fourteen years have elapsed since the invention at Bell Telephone Laboratories of the transistor, a device whose promise as a sophisticated amplifier has yet to be fully realized in the high-fidelity industry.<p>Moral: good things take time.<p>Want to know the impact of AI, or self-driving vehicles, or robotics, or gene editing? Check in 2040.<p>Subsidiary moral: the new thing probably won't find it's greatest use where you expect.