I hang my head and sink into my chair dejectedly. As I slouch, the computer monitor in front of me tilts forward and drops low to almost touch the desk, mimicking my gloomy posture. When I perk up and straighten my back, the computer spots the change and the monitor cheerfully swings forward and upward.
Meet RoCo, the world's first expressive computer. Inhabiting a back room in MIT Media Lab, the robotic computer has a monitor for a head and a simple LCD screen for a face. It expresses itself using its double-jointed neck, which is equipped with actuators that shift the monitor up and down, tilt it forward and back and swivel it from side to side, rather like Pixar's animated lamp. An attached camera can detect when its user moves, allowing RoCo to adjust its posture accordingly.
RoCo's creators hope that by responding to a user's changes in posture, people might be more likely to build up a "rapport" with the computer that will make sitting at a desk all day a little more enjoyable. The MIT researchers also believe that by tuning into users' moods, the robot might help them get their work done more effectively.
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From issue 2596 of New Scientist magazine, 22 March 2007, page 30-31
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