Care-O-bot II, a mobile service robot which has the capability to interact with and assist humans in typical housekeeping tasks, serves a soft drink to an
Care-O-bot II, a mobile service robot which has the capability to interact with and assist humans in typical housekeeping tasks, serves a soft drink to an engineer of Fraunhofer Institute for Manufacturing Engineering and Automation (IPA) during a presentation in Duisburg 20 February 2004. (FELIX FONTANE/AFP/Getty Images)