This Tesla Coil demonstration was held at the Mid-America Science Museum in Hot Springs, Arkansas
(INTELLIHUB) — According to Wikipedia:
Tesla coils can produce higher voltages than other artificial sources of high-voltage discharges, electrostatic machines. Tesla experimented with a number of different configurations consisting of two, or sometimes three, coupled resonant electric circuits.
Tesla used these coils to conduct innovative experiments in electrical lighting, phosphorescence, x-ray generation, high frequency alternating current phenomena, electrotherapy, and the transmission of electrical energy without wires. Tesla coil circuits were used commercially in sparkgap radio transmitters for wireless telegraphy until the 1920s, and in pseudomedical equipment such as electrotherapy and violet ray devices. Today their main use is for entertainment and educational displays.
(Photo: Wikimedia Commons)