Open the pod bay doors, robot nerds. Your choices for best 'bots ever are ready to dock.
We left off a few highly popular artificial life forms, and some short-circuited readers went haywire. At the center of the malfunction was a technical confusion over what defines a robot, a philosophical conundrum that started before Capek's play and continues to this day. (If you think the definition is technically restricted to human-like robots, we'd like you to meet Darpa's EATR, a foraging devourer of plant biomass that some puny humans worry might feed on battlefield flesh.)