Robot on Command (IMAGE) Brown University Caption Brown computer scientists have built a robot that can follow nonverbal commands from a person in a variety of environments -- indoors as well as outside -- all without adjusting for lighting. Credit Nathan Koenig, Brown University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.