Do you love Nixie Tubes? Upset that they aren’t really manufactured anymore, and the cost of old ones is rising? Why not make your own? That’s exactly what [Dalibor] of the Czech Republic is ...

If a standard fluorescent tube lighting source is shielded by a standard acrylic plastic diffuser, there’s rarely a significant risk for people with systemic lupus. These plastic diffusers are ...

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 ...

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 ...

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 ...

As any seasoned Londoner will know, Tube strikes are just as much part of the fabric of city life as the London Underground itself. At first, we were told the latest swathe of strikes had been ...

Ballasts are power supplies or transformers for fluorescent lamps, light sources that consist of a glass tube filled with argon, neon, or other inert gas. When ballasts supply electrical current, the ...

Most of the free hormone immunoassays in current use employ a specific, high affinity hormone antibody to sequester a small amount of total hormone from the specimen. The unoccupied antibody ...

The V40 T4 is a compelling alternative to the traditional German models, with a fresh and bold yet practical design.It drives well, features quality materials and has plenty of space inside ...