Nós, robôs - Robôs 3

The Three Laws are foundational to the stories and have influenced real-world AI ethics. I wonder what sparked this particular moral framework.

The robots often display complex emotions and morals, making it hard to distinguish them from humans at times. Did this challenge anyone else's view on what it means to be human?

Given the variety of stories and themes, I'm curious whether he selected based on popularity, thematic diversity, or personal significance.