In the second part of our two part special on robot ethics, the Robots podcast talks with Ronald Arkin, the director of the Mobile Robot Lab and Associate Dean of Research at Georgia Tech in the US. Like in the interview with Noel Sharkey in the previous Robots episode, we asked questions on the rise of military robots, the role of robots in society, medical robots and legal responsibilities. For more information and some surprising answers, check out Ronald Arkin's interview!