A new robot developed by MIT in the US is being used to kill coronavirus in a 4,000-square-foot warehouse using ultraviolet light (UV) light. The autonomous machine uses a specific type of short-wavelength UV, known as UVC, to kill microorganisms and disrupt their DNA in a process known as ‘ultraviolet germicidal irradiation’. UVC is emitted from the bot’s four vertical beams as it nips around warehouse aisles, killing 90 per ...