Metal men, and women, have been a staple of cinema since the very beginning. Sometimes those robots — a word invented by a Czech writer in 1921 — are humanity’s friends. Other times they’re our destroyers. (Occasionally, they are our lovers…and then our destroyers. Love can turn, even with the artificially intelligent.)

So, with Terminators once again on the march across movie screens, hop in the wayback machine to see how the robot has evolved over the decades.