This is a simple fire alarm circuit using Germanium Diode and 555 timer. In this circuit Germanium Diode plays very important role in detecting the fire.This is a simple fire alarm circuit using ...

What if you were to swap out the mythical germanium diodes in a Klon Centaur overdrive pedal circuit and replace them with germanium transistors? Guitar effects pedal guru Robert Keeley asked that ...

The classic crystal radio was an oatmeal box with some wire and a few parts. [Michael Simpson] has something very different. He found an assembled Philmore “selective” radio kit. The simple kit had a ...

GE Global Research, the centralised research organisation of the General Electric Company, announced the development of the world’s best performing diode built from a carbon nanotube, which will ...