A class of undergraduates at the Massachusetts Institute of Technology has created a set of robots that can water, harvest, and pollinate cherry tomato plants, reports the Associated Press. The small, $3,000 robots, which move through the garden on a base similar to a Roomba vacuum, are networked to the plants. When the plants indicate they need water, the robots can sprinkle them from a water pump. When the plants have a ripe tomato, the machines use their arms to pluck the fruit. Even though robots have made few inroads into agriculture so far, these robots’ creators hope their technology eventually could be used by farmers to reduce the natural resources and the difficult labor needed to tend crops…

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