Available in many lengths and several diameters, the tube is lined with a fluorescent phosphor. When the mercury is excited by electricity, it emits ultraviolet (UV) light, which causes the ...

Below, McGowan and Dara Greaney, CEO of LEDLightExpert.com, explain what CFL bulbs are and how they differ from incandescents (the classic glass globes with a filament inside) and light-emitting ...

Called Geissler tubes, they became the basis of many lighting technologies including fluorescent lights. 1877 — 1885: Competition for the incandescent light bulb heats up Inventors all across ...

Signatories to the Minamata Convention on Mercury have agreed to ban the manufacture, import and export of straight tube fluorescent lamps by the end of 2027, paving the way for an end to ...

In some people that are photosensitive, UV light from sunlight and indoor light sources can trigger a lupus flare. In addition to sunlight, ultraviolet rays are also given off by several different ...

Oregon has become the seventh state to ban the sale of fluorescent lightbulbs due to their mercury content, encouraging ...