WASHINGTON (AP) - Some hungry customers in the nation's capital may be surprised to discover a robot is delivering their pastrami on rye.
The delivery service Postmates is using knee-high, six-wheeled robots to bring food to customers. The robots can travel up to 4 mph and use sensors and cameras to navigate sidewalks and cross the street. Initially, the robots will be accompanied by a person, but eventually their progress will be monitored remotely.
Postmates says it's the first ser
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