Crunch, the sound shook him out of his thoughts. He turned his head to where the doctor was working, but could only see part of her back from behind the surgical screen. One mechanical hand was missing from the tray, and his eye focused on the remaining left hand’s hollow wrist with the long thick screw in the center, contemplating its design.

Crunch, he understood it. A few loud popping noises followed and he remembered the sounds of having his wisdom teeth pulled. What a mechanical wonder the human body was, chemicals and electricity, bones and muscles.