Plasma globe

Plasma globe

T194/0622 Rights Managed

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530 pixels on longest edge, unwatermarked

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Uncompressed file size: 53.6MB

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Credit: ALFRED PASIEKA/SCIENCE PHOTO LIBRARY

Caption: Plasma globe floating above a hand, computer artwork. A plasma globe is a glass sphere filled with a gas at low pressure. In the centre is a metal ball charged with electricity. When the voltage is high enough, the electricity discharges across the sphere to the glass wall. The discharge ionises the gas along its path, causing it to emit light.

Release details: Model release not required. Property release not required.

Keywords: artwork, ball, discharge, electricity, gas, gas-filled, glass, graaf, graaff, graf, graff, graphic, hand, light, metal, physics, plasma globe, sphere, static, voltage

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