Plasma Globe #17
by David Parker/science Photo Library
Title
Plasma Globe #17
Artist
David Parker/science Photo Library
Medium
Photograph - Photograph
Description
Light streamers inside a plasma globe discharging towards a hand, negative image. 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.
Uploaded
October 7th, 2018
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