Nitrogen gas, electric discharge plasma

Nitrogen gas, electric discharge plasma

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This image is part of the sequence science and technology: gas discharge plasmas

Credit: SCIENCE PHOTO LIBRARY

Caption: Nitrogen gas, electric discharge plasma. The sample of nitrogen gas is contained in a borosilicate vial, around which is wrapped silver-coated copper wires. A high-voltage electric current (35 milliamps at 2000 volts) is passed across the wires, producing the electric discharge plasma and glow seen here. The nature of this discharge varies depending on the element contained in the vial. This is the basis of the technology found in neon lamps and plasma screens.

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Keywords: black background, borosilicate vial, chemical, chemistry, colour, colours, cut out, cut outs, cut-out, cut-outs, cutout, cutouts, discharging, electric, electric current, electric discharge, electrical, electricity, electron excitation, element, elemental, gas, gaseous, glow, glowing, high voltage, high-voltage, lab, laboratory, light, n, nitrogen, photoelectric, physical chemistry, physics, pink, plasma, plasma screen technology, purple, silver-coated copper wire, studio shot, technological, technology

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