Plasma lamps were invented by Nikola Tesla in 1894. They are clear glass structures that are filled with a mixture of noble gases with a high-voltage electrode in the centre. Plasma filaments extend out from the inner electrode to the outer insulator. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source |
Taille de l’image : | 4928 px × 3264 px |
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Property Release : | Non requis |
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