Feliks Audio is one of the few boutique brands from Poland making serious noise in the Head-Fi scene. They specialize in ...

Tube power Before Dynaco, cofounder David Hafler and his childhood friend Herb Keroes started another company, Acrosound. Notable in its own right, Acrosound is widely credited with inventing the ...

The Niagara Power Project is in the midst of a $1.1 billion upgrade, designed to extend the lifespan of one of the nation's largest hydroelectric facilities.

A transformer with an output of 10kV power and 450W miniaturized high-voltage power supply was designed using PC95 material PQ40/40 magnetic core (the transformer outputs four power supplies ...

Fashion & Beauty Our design-minded take on the worlds of fashion and beauty includes insider news, features and interviews, which spotlight rising talent, the industries’ leading figures, and the ...

The superconducting materials used in this transformer are all in structure of a so-called conductors in tube (CIT) cable. Firstly, the electrical design of portable transformer is carried out by ...

The global obesity epidemic is well established, with increases in obesity prevalence for most countries since the 1980s. Obesity contributes directly to incident cardiovascular risk factors, ...

TM 11-662 Basic Theory and Application of Electron Tubes 1955-11-08.Introduction 1 1 Importance to communication 2 1 Early experimenters 3 2 Tube types 4 ...