xspaceoddity:

“‘Fatality units’?” He looked at the device with renewed interest. Rigged out of what appeared to be a collection of spare parts, it quite literally had all the bells and whistles of any scientific sensor. It had lights, too. Benny was reminded of the tricorders from the original Star Trek series, but did not say so. Instead, he grinned, glancing up at the scientist. “Probably shouldn’t ask why you need it, should I?”

Pulling his hands out of his pockets, the engineer shoved his sleeves up past his elbows, revealing surprisingly thin wrists and arms, gesturing to the device. “Can I see?”

                     ° ;;        “Be my guest.”

 [ He wouldn’t exactly be wrong in the sense of the device
   being model after the tricorder because it completely was.
   No one ever seemed to say ( much) about it.  
   Carlos was still excited to share his work with someone interested though.
   Carefully, he handed off the piece of equipment to the other. ]

                                   "Well, I’d be more than happy to explain
                                     why I need it if you really wanted to know.“