Rex's eyes were wide as saucers as he watched the minute control the prosthetic offered. "And it's silent," he observed in wonder. No whirring or clicking. If it hadn't been metallic and glowing, it would have been hard to distinguish from the real thing. So cool. So cool.

...And then his eyes strayed to the place where skin joined metal and it occurred to him that he was currently faced with a woman wearing only a shirt. His face colored and he straightened abruptly, but his enthusiasm was still boiling under the embarrassed veneer. "Sorry-- my parents were nanite engineers. They would have been so thrilled to see their tech being used like this."