It was when mankind discovered how to make electricity that the world as we knew it changed profoundly. Soon generated electricity lit our streets and homes, provided heat, brought us efficient communication, modern transportation, and the effort of electro-motive force. Yet, manmade electricity carried through the wires and cables with which we fenced the land; the power lines encircling our towns and our cities, had another consequence. Generated electricity banished things of folklore and legend. Witches, werewolves, demons whose evil spirits had roamed the earth throughout time were...