INSIGHT-Robots fight weeds in challenge to agrochemical giants
May 22, 2018 at 02:00 AM EDT
YVERDON-LES-BAINS, Switzerland/CHICAGO, May 22 (Reuters) - I n a field of sugar beet in Switzerland, a solar-powered robot that looks like a table on wheels scans the rows of crops with its camera, identifies weeds and zaps them with jets of blue liquid from its mechanical tentacles.