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 ...

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 ...

They are considered energy-saving and are meant to substitute the older incandescent light bulbs that existed prior to these; however, CFL’s emit more UV light than incandescent bulbs did. Fluorescent ...

In another video, he goes over the wiring of a fluorescent starter to create a flickering effect with an incandescent light bulb. A fluorescent starter works because the current heats up a gas ...

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

If it's a clear incandescent bulb, you can look at the filament directly to see if it is broken. LED and fluorescent bulbs ...

For all the fluorescent bulb-bearing light therapy units out there, those bulbs have pretty low CRI ratings. [Luke]’s project page provides emission spectra graphs for a number of bulb types ...