A cold cathode is a cathode in a gas-filled electron tube that is not heated by a filament. The voltage potential within the tube is sufficient to ionize the gas and cause the current to flow.

Finally, cold cathode lights can be used for much more than illuminating the inside of your computer or making your whip look like it can hover. [James] discovered if he varied the voltage going ...

In this case, only four of the eight on the board are used to control red, white, blue, and green cold cathode tubes. The video after the break shows the device randomly rotating through different ...

The subject of this tutorial, the Hitachi S-4700 FE-SEM, utilizes a cold cathode field emitter composed of a single crystal of tungsten etched to a fine point. In scanning electron microscopy, ...

We’ll start with the CRT TV – also known as the tube TV, because CRT stands for cathode-ray tube. This is what started it all, and we were all pretty happy with it for, oh, a little over 65 years.

A cold begins when a virus attaches to the lining of your nose or throat. A doctor can usually tell if you have the flu based on your symptoms, especially if it’s during peak season. Bird flu ...

Starting with Hong Kong, where Kwok’s family is from, there’s the Union ($6.50), a mix of black tea and cold brew coffee ... Hey Hey was recommended by How To LA host Brian De Los Santos ...

Gastroenterology is a specialized area of medicine that focuses on the GI tract. Some gastroenterologists treat general diseases of the GI, while others focus on a particular type ...

The struggle between communism and capitalism defined the second half of the 20th Century, pushing the world to the brink of nuclear war. Now as the 25th anniversary of the fall of the Berlin Wall ...

The global superpower stand-off that brought the world to the brink of destruction. BBC Two's new Cold War Season explores the cultural and political impact of a conflict that divided the world.

“The low-pressure system is bringing in some pretty cold air down from the Arctic area and that’s going to bring some early snow to the region,” Serrato said. While the cooler weather is ...