To make your homemade ultraviolet light you will need the following materials: The first thing we need to do is cut a strip ...

Hospitals have long used ultraviolet light to zap viruses, but the devices were too expensive for businesses and schools. Spurred by the pandemic, an unlikely trio started R-Zero to develop a ...

Growing up, my dad always made sure we had a flashlight at home. “You’ll need this in case an emergency happens,” he’d say. And with an extra level of caution ...