[Justin Scott]’s tube preamplifier is a great example, with its novel use of a pair of Nixie tubes to indicate the volume to which it has been set. The audio side of the preamp comes courtesy of ...

It’s not the whole truth though, as [Albert van Dalen] demonstrates with his tube preamplifier running from only 3.3 V. If your first thought is that he must have made a flyback converter to ...

Manufacturer of ColorGloT off-the-shelf and custom LED lighting solutions: high output color changing and WWA fixtures, par 30 and 64 RGB LED decorative display lamps, monochromatic and RGB LED light ...

The product is low-voltage enough to be used inside a walk-in shower or above a bathtub, and Tubes sees it as a good option for the wellness and nautical industries as well as the home.

Lee De Forest invented the audion, a vacuum tube device that could take a weak ... De Forest has been labeled one of the fathers of the "electronic age," since the audion helped start the ...

Vacuum tubes are electronic components used to amplify, switch, modify and/or create analog signals by controlling the movement of electrons in low-pressure spaces. These components are used in ...

Gas discharge tubes (GDT) or gas tube arrestors (GTA) provide protection against voltage and current surges in electronic and electrical equipment. They include spark gaps; simple devices with two or ...

Gillan, M J Alfè, D Brodholt, J Vočadlo, L and Price, G D 2006. First-principles modelling of Earth and planetary materials at high pressures and temperatures. Reports on Progress in Physics, Vol. 69, ...

but a representation of ENIAC (Electronic Numerical Integrator Analyzer and Computer), the gigantic machine credited with starting the modern computer age. ENIAC, with its 17,468 vacuum tubes ...