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Ball lightning

Ball lightning is a rare and unexplained phenomenon described as luminescent spherical objects that vary from pea-sized to several meters in diameter. Though usually associated with thunderstorms, the observed phenomenon is reported to last considerably longer than the split-second flash of a lightning bolt and is distinct from St. Elmo's fire and…

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Overview

Characteristics

Historical accounts

Direct measurements of natural ball lightning

Laboratory experiments

Proposed scientific explanations

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Map overview Semantic statistics

Ball lightning

Nodes143
Edges142
Triples340
Avg. degree1.99
Density0.013986
Components1

How this topic connects Entity context

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Ball lightning

Top relations

related to Other accounts · 77
Ball lightning → Aberdeen Airport, Alberta, Amritsar, An, April, Aside, August, Bischofswerda, Bulletin, Cape Naturaliste Lighthouse, Caroline Ingalls, Church, Colorado, Czech Republic, Darshani Deori, December, Division, Due, During, Electricity
related to Further reading · 75
Ball lightning → Abelard-Schuman Limited, Academic Press, Alexander, An Unsolved Problem, Anomalous Lights, Archived, Atmospheric Electricity, Atmospheric Physics, Ball Lightning Explanation Leading, Ballester-Olmos, Barry, Bead Lightning, Boerner, Bristol, Cade, Cambridge, Cecil Maxwell, Cham, Christchurch, Clean Energy
related to Other hypotheses · 17
Ball lightning → Ball, Electronic, Electrostatic Leyden, Endean, International Symposium, June, Kaliningrad, Meessen, Russia, Several, Smirnov, Spinning, Stanley Singer, The, These, This, Zelikin
related to ICBL · 15
Ball lightning → First International Symposium, ICBL, International Symposium, ISBL, July, June, Kaliningrad, San Marcos, Texas, The, The International Committee, Title, Tokyo, Unconventional Plasmas, Waseda University
measured by · 14
Ball lightning → Additional, At, Both, China, From, Hz, In January, It, July, Lanzhou, Northwest Normal University, Oscillations, The, Tibetan Plateau
related to Soliton hypothesis · 14
Ball lightning → Arcs, David Finkelstein, Elmo's, For, It, James, Julio Rubinstein, NO, Powell, Powell's, St, Townsend, Wandering, When
related to Georg Richmann · 11
Ball lightning → Academy, Benjamin Franklin's, Georg Richmann, His, Richmann, Richmann's, Russia, Saint Petersburg, Sciences, The, While
related to Gervase of Canterbury · 11
Ball lightning → Canterbury, Durham University, English, Gervase, Giles Gasper, He, June, London, Physicist Emeritus Professor Brian, Tanner, The
related to Historical accounts · 11
Ball lightning → According, Anchimayen, Another, Argentinean, Ball, Chilean Mapuche, Earth, Oak Ridge, Oak Ridge National Laboratory, Scientific American, Union Carbide Nuclear Company
related to Vaporized silicon hypothesis · 11
Ball lightning → An, As, Earth's, Lightning, Matthew Francis, Si, SiC, SiO, The, This, Videos

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Important terminology

lightning ball plasma balls fire phenomenon reported microwave described one thunderstorm air isbn atmospheric field also experiments could observed silicon

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Ball lightningis arare and unexplained phenomenon described as luminescent spherical objects that vary from pea-sized to several meters in diameter0.90text
Ball lightningis aglow discharge driven by microwave radiation that is guided to the ball along lines of ionized air from lightning clouds where it is produced0.90text
Ball lightningis alarge0.90text
Ball lightningis adetached St0.90text
wiresinstance ofalthough in some cases the disappearance of the ball is accompanied by the liberation of heatSome display an affinity for metal objects and may move along conductors0.80text
metal fencesinstance ofalthough in some cases the disappearance of the ball is accompanied by the liberation of heatSome display an affinity for metal objects and may move along conductors0.80text
or railroad tracksSome appear within buildings passing through closed doorsinstance ofalthough in some cases the disappearance of the ball is accompanied by the liberation of heatSome display an affinity for metal objects and may move along conductors0.80text
windowsSome have appeared within metal aircraftinstance ofalthough in some cases the disappearance of the ball is accompanied by the liberation of heatSome display an affinity for metal objects and may move along conductors0.80text
have enteredinstance ofalthough in some cases the disappearance of the ball is accompanied by the liberation of heatSome display an affinity for metal objects and may move along conductors0.80text
left without causing damageThe disappearance of a ball is generally rapidinstance ofalthough in some cases the disappearance of the ball is accompanied by the liberation of heatSome display an affinity for metal objects and may move along conductors0.80text
may be either silent or explosiveOdors resembling ozoneinstance ofalthough in some cases the disappearance of the ball is accompanied by the liberation of heatSome display an affinity for metal objects and may move along conductors0.80text
burning sulphurinstance ofalthough in some cases the disappearance of the ball is accompanied by the liberation of heatSome display an affinity for metal objects and may move along conductors0.80text

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