Baxter costs far less than most industrial robots, in part because its software runs on an ordinary personal computer, which is embedded in its chest. Baxter's face indicates its status and where its attention is focused. It can also sense the location of people nearby, thanks to a ring of sonar sensors around its crown. Workers teach Baxter to perform a task by moving its arms, but they can access more features using dials and buttons on its forearms.
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