Close-up of a plasma globe

Close-up of a plasma globe

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Caption: Plasma globe. Close-up of a plasma globe. A plasma globe is a large glass vessel, inside which is a gas at low pressure. A voltage of static electricity is applied between the metal sphere at centre and the glass. Static discharge across the gas causes its atoms to lose their electrons, a 'plasma' state. When the nuclei and their electrons recombine, they emit a characteristic coloured light streams as seen here.

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Keywords: discharge, electrical, electricity, energy, glass sphere, industry, physics, plasma ball, plasma globe, plasma sphere, plasma toy, static electricity, technology, toy

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