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Self-driving Robots May Someday Deliver Packages

Having a deliveryman bring items to your home may become a thing of the past one day. A robot that can drive itself on sidewalks to make door-to-door deliveries is going to be tried out in London and some as-yet-undisclosed U.S. cities in the coming months. The small, black-and-white, slightly rounded machine on six wheels doesn’t look like much, but that’s the idea — it can blend in with the pedestrian traffic. Lightweight, it can only carry a small amount in its top compartment — two...

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