ball lightning


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ball lightning

[′bȯl ¦līt·niŋ]
(geophysics)
A relatively rare form of lightning, consisting of a reddish, luminous ball, of the order of 1 foot (30 centimeters) in diameter, which may move rapidly along solid objects or remain floating in midair. Also known as globe lightning.
References in periodicals archive ?
"Liu uses the liminal nature of ball lightning to his advantage: a book about scientists pursuing ghosts would be fantasy, but here, he gets to have all the fun of a ghost story while dealing in concepts much more tangible....
Ball Lightning tells the story of two Chinese nationals driven to science by loss.
A superphoton, unlike a ball lightning, has an insignificant density, potential, and surface temperature, hence it interacts with other bodies only in a collision or through gravity.
'It is remarkable that we could create the synthetic electromagnetic knot, that is, quantum ball lightning, essentially with just two counter-circulating electric currents.
Rarer still is ball lightning. Glowing orange or blue for a few seconds, these objects float high in the air or near the earth before exploding with a loud bang.
Beginning with an overview of high voltage principles, the volume covers such topics as electrical field control and estimation, field dependent behaviors of air and other gaseous dielectrics, lightning and ball lightning protections, vacuums as high voltage insulation, and liquid and solid dielectric properties.
London, Dec 1 (ANI): Ball lightning - phenomena apparently witnessed by many - may be caused by space debris, suggests a new study.
An illustrated tour of everyday events and amazing spectacles, from mirages and meteors to ball lightning. Firefly, 2010, 223 p., $24.95.
Life is only boring, friends, if you sit around expecting ball lightning to pass through your living room.
"There was a flash of ball lightning that came into the set.
"For years, the very existence of ball lightning was controversial," he said.
Other theories are that it was the manifestation of massive geo-physical forces, ball lightning, a laser beam from another star system or the secret testing of a wireless transmitter of energy by inventor Nikola Tesla.