| http://www.w3.org/ns/prov#value | - The market, he says, was made up of two broad classes of robots: small ???virtual presence robots??? that could scoot beneath a car while searching for bombs; and large, remotely operated vehicles, including tanks and drones. ???We saw a real vacuum between them,??? Theobald says. ???There was a need for a robot that could go into tights spaces ??? in buildings and up stairs, where vehicles can???
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