Electric spark on plastic surface
Bildnummer 13620115
| Electric spark created when a sheet of fluorescent plastic is placed between two high voltage electrodes. In this image the discharge is from a solid metal rod electrode. Initially, the plastic builds up a charge on the surface and acts as a capacitor. At a certain potential voltage, the film, which is dielectric material, breaks down and allows electrons to flow. The flowing electrons superheat the air resulting in an electrical spark which is recorded in the film emulsion. These are often called Lichtenberg Figures, named for the German physicist Georg Christoph Lichtenberg, who originally discovered and studied them in 1777. | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Kinsman, Ted |
| Bildgröße: | 5232 px × 4356 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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