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Images Dated 15th September 1999

Choose from 9 pictures in our Images Dated 15th September 1999 collection for your Wall Art or Photo Gift. All professionally made for Quick Shipping.

New Tyne Bridge
Historic England
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Delph Locks
Historic England
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Electric car with solar panels
Science Photo Library
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Streams of light inside a plasma globe
Science Photo Library
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Daffodils, Narcissus, New York, NY
Animals Animals
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Egg-Eater Snake (Dasypeltis scabra) Swallowing Bird Egg/Africa
Animals Animals
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Fer-de-Lance Devouring Agouti (Bothrops artrox & Dasyprocta punctata) C.A
Animals Animals
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Gartersnake Swallowing Pickeral Frog, NJ
Animals Animals
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Camellia Betty Ridley (Camillia japonica) First Cultivated in Japan
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Featured 15 Sep 1999 Print

Streams of light inside a plasma globe

Plasma globe. Light streamers inside a plasma globe. This toy is a hollow glass ball which contains an inert gas at low pressure. At the centre of the globe is a metal electrode (lower right). An electric potential is set up between this electrode and the glass sphere. This causes static discharges to pass through the gas, leading to the gas atoms splitting into separate nuclei and electrons, a state of matter known as plasma. The lightning-like streams of light are due to the energy released as the atoms recombine