I'm not sure whether this is impressive or scary...(giving a robot a knife and pesticides)...?
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Researchers at the University of Illinois are currently testing a solar powered, weed-killing robot. The robot uses GPS for navigation, and has two small cameras mounted on top to give it depth perception. An on-board computer offers access to information that provides the morphological features of plants to help the robot determine just what is and isn’t a weed. Once a weed is identified, a robotic arm attached to the front of the machine engages a two–part device: one cuts the weed, while the second applies herbicide to the cut weed. Currently the robot is only designed to combat weed infestation; in the future, the researchers hope to install different sensors and cameras on the robotic arm that could be used to judge soil properties or plant conditions. For more information, see www.engr.uiuc.edu/news/?xId=068909120770.
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