Boston Dynamics unveils Stretch, a robot that it says can move up to 800 boxes in warehouses (James Vincent/The Verge)

boston dynamics stretchvincent, James Vincent / The Verge:Boston Dynamics unveils Stretch, a robot that it says can move up to 800 boxes in warehousesStretch can shift up to 800 boxes an hour, comparable to a humanBoston Dynamics is best known for its robot dog Spot, a machine designed to work in a range of environments, from offshore oil rigs to deep underground mines.