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A Lichtenberg figure (German Lichtenberg-Figur), or Lichtenberg dust figure, is a branching electric discharge that sometimes appears on the surface or in the interior of insulating materials. Lichtenberg figures are often associated with the progressive deterioration of high-voltage components and equipment.
Electrical treeing or "Lichtenberg figures" also occur in high-voltage equipment just before breakdown. Following these Lichtenberg figures in the insulation during postmortem investigation of the broken down insulation can be most useful in finding the cause of breakdown.
Lichtenberg branching figure in leopardwood. Fractal burning, Lichtenberg burning or wood fracking refers to a technique where a Lichtenberg figure is burnt into wood using high voltage electricity.
It yields patterns known as Lichtenberg figures, named after the physicist Georg Lichtenberg, who discovered them in 1777 as he was experimenting with static electricity.
Lightning burns result from energy caused by lightning strikes, and are characterized by a unique pattern of skin lesions. These tree-like lesions resemble feathering or ferning, and are also called Lichtenberg figures. [8]
Georg Christoph Lichtenberg was born in Ober-Ramstadt near Darmstadt, Landgraviate of Hesse-Darmstadt, the youngest of 17 children.His father, Johann Conrad Lichtenberg [] (1689–1751), was a pastor ascending through the ranks of the church hierarchy, who eventually became superintendent for Darmstadt.
The lightning often leaves skin marks in characteristic Lichtenberg figures, sometimes called lightning flowers; they may persist for hours or days, and are a useful indicator for medical examiners when trying to determine the cause of death. Although humans being struck by lightning is of course rare, it is nonetheless possible that over a ...
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