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Green lightning originally referred to random flashing streaks across the screen of IBM 3278-9 computer terminals, which were produced by a hardware bug when a new symbol set was being downloaded. Instead of fixing the fault, IBM suggested that it was useful because it let the user know during the download that something was in progress.
Green flash occurs because the atmosphere causes the light from the Sun to separate, or refract, into different frequencies. Green flashes are enhanced by mirages, which increase refraction. A green flash is more likely to be seen in stable, clear air, when more of the light from the setting sun reaches the observer without being scattered.
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)
A lightning strike can also create a large Lichtenberg figure in grass surrounding the point struck. These are sometimes found on golf courses or in grassy meadows. [ 12 ] Branching root-shaped " fulgurite " mineral deposits may also be created as sand and soil are fused into glassy tubes by the intense heat of the current.
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Green Lightning may refer to: Green Lightning (sculpture), a sculpture by artist Billie Lawless, built in Buffalo, New York; Green Lightning (computing), a problem ...