Mechanical, Devoid of Human Emotions
This page is the CodyCross answer for the clue below from Physics, Group 1887, Puzzle 3 (Protons and Electrons).
Question is: Mechanical, Devoid of Human Emotions
and the answer is: ROBOTIC
Word Meaning:
ROBOTIC — Of, relating to, or resembling a robot; mechanical, lacking emotion or personality, etc.
Definitions from Wiktionary.