Sep 022016

Int 1777, Georg Lichtenberg found that discharging high voltage on an insulating surface covered with a powder, a fractal-like image appears, sometimes known as a lightning tree. Incidentally, this is a crude form of xerography, the principle that lets copiers and laser printers operate. [PaulGetson] had a high voltage power…
Source: High-:publishVoltage Fractals

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