The UV excites phosphor materials applied as a thin layer on the inside of a glass tube, which makes up the structure of the lamp. The phosphors transform the UV to visible light. With fluorescent ...

Their replacement equivalents, compact fluorescent lightbulbs and light-emitting diode bulbs, are bright, use 75 to 80 percent less energy, and can save you $60 to $125 dollars per bulb in energy ...

A light source consisting of a long glass tube containing mercury in a partial vacuum. Available in many lengths and several diameters, the tube is lined with a fluorescent phosphor. When the ...

so look for those that emit the lowest amounts of UV radiation and try to use light shields and lamp shades whenever possible. If a standard fluorescent tube lighting source is shielded by a standard ...

If you ever wanted to build your own tube amplifier but you were intimidated by working with high voltages, [Marcel]’s low-voltage tube amp design might spark your interest. The design operates ...

Q: The kitchen of my 1987 house has fluorescent tubes in the ceiling, which is dropped down 5½ inches so acrylic panels covering the lights look like part of the ceiling. I hate the quality of the ...

Over the years, solar tube lighting systems have become popular modern lighting solutions. And when it comes to using this eco-friendly option there are pros and cons that center on roof type ...

Whether it's investigating the financials of Elon Musk's pro-Trump PAC or producing our latest documentary, 'The A Word', which shines a light on the ... will know, Tube strikes are just as ...

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mEos2 is an example of a photoconvertible fluorescent protein that can be irreversibly switched from green to red emission upon illumination with violet light. Owing to a combination of high ...