UV light has been used for decades in water ... In 2014, one Texan hospital used it in the clean-up after an Ebola case. More than 500 healthcare facilities, mostly in the US, have the machine.

Learn more We've all been through the hassle of contorting our hands into unnatural shapes just to clean ... with UV-C technology — the same sanitizing technology used in hospitals.

Dublin-based start-up Akara Robotics has provided two UV decontamination robots to a UK hospital to clean wards and operating theatres. The business, which spun out of Trinity College Dublin (TCD ...