An embryo gathered in a metal womb, controlled potential building to titanic birth. A thread of wire melted under a breath of energy and a tiny, glowing light winked out. A rodent like maintenance robot, scurrying to an unimportant repair task, saw no warning signal and crossed a control panel from behind at the moment that a relay closed automatically. Obliterated, the robot only briefly interfered with the proper functioning of the machine, but...