Fluorescent bulbs don’t produce white light on their own, they produce ultraviolet light by exciting mercury vapor. However, by coating the inside of a fluorescent bulb with a powder ...

Fluorescent lamps are high-efficiency lamps that use electrical discharge through low-pressure mercury vapor to produce ultraviolet (UV ... Instead, fluorescent lamps require ballasts to stabilize the ...

Ultraviolet light, also known as UV light, is a form of energy traveling through space. It is a form of electromagnetic radiation with a wavelength shorter (100 - 400 nanometers) than that of visible ...

Through a glass window we watch as the self-driving machine navigates a mock-hospital room, where it kills microbes with a zap of ultraviolet light. "We had been growing the business at quite a ...