[Discrete Electronics Guy] built a plasma bulb using the casing from an old filament bulb and an ignition coil connected to a high voltage power supply. The power supply is based on the 555 timer IC.

Researchers at the Leibniz Institute for Plasma Science and Technology (INP) have developed a new portable plasma device ...

The plasma jet is typically produced in two steps: pressuring a gas through a small nozzle hole and generating an electric arc via power supply. Remarkably, the introduced arc ionizes the gas ...