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Modern 3D Lichtenberg figures or "electrical treeing" in a block of clear acrylic, created by irradiating the block with an electron beam. Actual size: 80 mm × 80 mm × 50 mm (3 in × 3 in × 2 in) Lichtenberg figures are generated by a sliding spark discharge on the flask with a mixture of gases. Structural differences between the "positive ...
Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Donate
Main page; Contents; Current events; Random article; About Wikipedia; Contact us
A sprite at the horizon, with lightning below in the troposphere and above the green line of airglow at the upper mesopause and border to space (the bright light above is the Moon). First color image of a sprite, taken from an aircraft
Size of this PNG preview of this SVG file: 70 × 172 pixels. Other resolutions: 97 × 240 pixels ... Lightning icon: Date: 23 November 2006 (original upload date)
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Terrestrial gamma-ray flashes pose a challenge to current theories of lightning, especially with the discovery of the clear signatures of antimatter produced in lightning. [ 26 ] It has been discovered in the past 15 years that among the processes of lightning is some mechanism capable of generating gamma rays , which escape the atmosphere and ...