Bioluminescence: Fantastic Phenomenon

Bioluminescence, a form of chemiluminescence, is the production and emission of light by living organisms, including algae and phytoplankton, present in the oceans and in terrestrial fungi. Bioluminescence principally occurs when light-emitting pigments chemically react with enzymes and other proteins, and is  not to be confused with fluorescence or phosphorescence, both…

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Awesome Volcanic Lightning: How it Forms

New technology which peers inside a volcano’s ash plume is helping scientists understand how volcanic lightning is formed. For all intents and purposes, lightning is caused by the separation of positively and negatively charged particles in the atmosphere. Once the charge separation becomes large enough to overcome the insulating properties…

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Red Sprites: What are They?

  Sprites are large-scale electrical discharges that occur high above thunderstorm clouds, or cumulonimbus, giving rise to a quite varied range of visual shapes flickering in the night sky. They are triggered by the discharges of positive lightning between an underlying thundercloud and the ground. Sprites appear as luminous reddish-orange…

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