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spec: The line is colourful and only in cotton , `` says Ms. Vitous , who had a long career in designing , in France , before she took to psychology and social work . The letter arrived unannounced at my home , hidden amid junk mail . Only two of this year 's entries - - Grace and a teleoperated robot built by iRobot Corp ., a firm founded by Massachusetts Institute of Technology roboticist Rodney Brooks - - will even attempt to tackle the entire challenge . We should not waste our time finding documents on stamp-collecting or the State Labor Service or other mundane activities that happen to contain some variation on the one word " device . The ability for students to learn from other experts and participate in real research helps to make learning not only more interesting , but more real , in ways traditional textbooks cannot . And one of the things that I have stated on many occasions is that what I would hope to have in the future is the technology and the computer system that would better enable us to do exactly that type of search . and then that it should shuffle off this mortal coil on the very day fixed for its execution was altogether heartrending . There is the evidence of two frightened women that it perched upon the roof of the Queen 's Hall and remained there like a diabolical statue for some hours . " " Carnegie Mellon University 's National Robotics Engineering Consortium will build and test a prototype of a robotic , unmanned , ground combat vehicle for the Defense Advanced Research Projects Agency . Both of these cultivars are available as spur - or nonspur-types .