The idea of sending a man back in time to re-do a job he's botched, so that a deadline can still be met—added to the thought of duplicating a man so there'll be two doing the same work at the same time—adds up to a production-manager's dream. But any dream can suddenly shift into a nightmare....
nes stepped forward with his deep eyes fixed on Dr. Hudson. "What," High-Pockets asked, "is your theory of this machine?"
Dr. Hudson smiled. "I am glad you asked that, Mr. Jones. Very glad. This process is in no sense a separation or thinning out of the man in the chair. It is, in reality; an unusual extension of the well-known fact that nature tends to follow a pattern. If you want to make a synthetic sapphire, you start with a seed sapphire, and the artificial process builds up on that. Now, this machine, which I call an extender, is merely a far-reaching extension of the synthesis of precious stones."
"By use of a revolutionary type of three-dimensional scanner, which was invented by myself," he said modestly, "I am able to focus on a certain object from a certain distance and, if there is material at hand, synthesize an exact duplicate of the original from the scanner. It doesn't hurt the original in any way. You merely have two where you had but one."
The men stood around bug-eyed an