Also very cool: an unusual and compact, because PCB-based, Tesla coil design (that’s „printed circuit boards“ for those not yet familiar with the abbreviation „

Also very cool: an unusual and compact, because PCB-based, Tesla coil design (that’s „printed circuit boards“ for those not yet familiar with the abbreviation „PCB“): https://hackaday.com/2019/04/25/a-tesla-coil-from-pcbs/ https://hackaday.com/2019/04/25/a-tesla-coil-from-pcbs/ When using arcs/plasmas with the intention to create sound, these devices are also called „plasma speakers“: https://en.wikipedia.org/wiki/Plasma_speaker https://en.wikipedia.org/wiki/Plasma_speaker