Electrets produce a semi-permanent static electric field, similar to how a magnet produces a magnetic field. The ones in microphones are very small, but in the video after the break [Jay Bowles ...

In this article, we’ll dive into some of the most iconic machines that generate static electricity and explore how they work. Before we ... This process does not deplete the charge on the ...

Electricity ... acquires a static electrical charge that attracts dust particles. (This is called the triboelectric effect, ...