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The US military is set to use'corona-killing robots' equip with ultraviolet light (UV) to disinfect enclosed spaces. The four-wheeled autonomous robots would eliminate the need of human workers and complete the task in a matter of hours, instead of days. The technology is capable of radiating nearly 110 watts using a vertical UV mount that disinfects a surface two feet away in just over a minute. Although experts have not yet determined if UV kills the virus, the military said it is'employing double the wattage known to kill other coronavirus variants to ensure effectiveness,' Military.com The four-wheeled autonomous robots would eliminate the need of human workers and complete the task in a matter of hours, instead of days.