Robots have arrived at Bill and Carol Shuler's farm near Baroda, Mich., and life has taken a turn for the better. "It absolutely changes your lifestyle. It gives you a life!" says Bill Shuler. For ...

In a sugar beet field a few miles east of Moorhead, small four-wheeled robots are rolling up and down the rows of beets. Powered by a solar panel, the robots use cameras to spot weeds and then guide ...