Electric sparks are used for welding, powering electronics, killing germs or for igniting the fuel in some car engines.

Learn about the reflection of high-frequency signals in 5G communications and how impedance discontinuities can influence ...

Component layout, enclosure design, and even wiring and labeling all had to be nailed down as much as possible before so much as heating up the soldering iron. Even so, there were a few hiccups ...

Most of the challenge in receiving the Alexanderson transmitter broadcasts are due to this very low broadcast frequency ... than “few hundred turns of wire in a coil” plugged into the mic ...