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Similar term(s): microshock.
A momentary electric discharge between two differently charged objects. Sparks cross the air-gap between the objects along a narrow channel, which is visible as a light flash.
Small painful spark discharges can occur when a person who is well insulated from the ground through wearing shoes with plastic soles touches an object that is electrically connected to the ground. If the electric currents are very small (microshocks of less than 1mA) they are usually not perceived.
A lightning discharge can be considered a large-scale spark discharge.
Source: GreenFacts
Source: Tesla Technology research New design Model One Tesla
Coil
GreenFacts Summary on Static Fields:
Español: Descarga de chispa
Français: Étincelle
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