Electric spark on plastic surface
Bildnummer 13620112
| Five ball electrodes discharge electricity onto a fluorescent sheet of plastic. An electric spark is created when a sheet of fluorescent plastic is placed between two high voltage electrodes. 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: | 4490 px × 3898 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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