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 ...

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 ...

The best smart light switches let you control your lights with a phone or voice assistant and can save you money When you purchase through links on our site, we may earn an affiliate commission.

Instead of flexible tape, these thick, weatherproof tubes house a string of color-changing LEDs. Beyond their white-light and color-shifting abilities, rope lights are versatile due to their ...

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 ...