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The purpose of this monograph is to review the known physical aspects of two unusual forms of atmospheric luminous phenomena, to deduce their characteristics and properties, and to promote efforts to improve their understanding. These two forms, called ball lightning and bead lightning, have visual images that differ from the linear image associated with normallightning. The terms "balliightning" and "bead lightning" are used to denote atmospheric luminous forms which are occasionally observed and have the geometrie shape suggested by their name. Vet, it is possible that neither phenomenon may in fact be a form of lightning in the sense of a continuous electrical discharge. Bead lightning has been described as the residue of a cloud-to cloud or cloud-to-ground lightning stroke and has the appearance of aseries of luminous balls separated by dark regions, thus resembling astring of pearls, and remains visible for about one second. Ball lightning has been described as a single luminous globe appearing ne ar the ground after a lightning stroke and also remaining visible for about one second. Both phenomena remain visible far longer than normal lightning flashes.
The purpose of this monograph is to review the known physical aspects of two unusual forms of atmospheric luminous phenomena, to deduce their characteristics and properties, and to promote efforts to improve their understanding. These two forms, called ball lightning and bead lightning, have visual images that differ from the linear image associated with normallightning. The terms "balliightning" and "bead lightning" are used to denote atmospheric luminous forms which are occasionally observed and have the geometrie shape suggested by their name. Vet, it is possible that neither phenomenon may in fact be a form of lightning in the sense of a continuous electrical discharge. Bead lightning has been described as the residue of a cloud-to cloud or cloud-to-ground lightning stroke and has the appearance of aseries of luminous balls separated by dark regions, thus resembling astring of pearls, and remains visible for about one second. Ball lightning has been described as a single luminous globe appearing ne ar the ground after a lightning stroke and also remaining visible for about one second. Both phenomena remain visible far longer than normal lightning flashes.
In 1837 a comprehensive discussion of lightning appeared in the Annual of the French Bureau des Longitudes with a section on ball lightning which provided for the first time a readily available source in the scientific literature of the basic properties of this curious natural phenomenon. The author, Francois Arago, was the dominant influence in the French Academy of Sciences in the nineteenth century, having become a member of that august body at the age of twenty-three. His attention alone doubtless served at that time to establish the validity of scientific interest in the problem. In addition his discussion covered some of the major questions associated with ball lightning in a nota bly clear-sighted, effective style. Later reconsideration of the same questions often provided no significant improvement over Arago's discussion. There followed a dauntless band of varying but always small number who attempted to account for an apparently simple natural occurrence, a ball of fire usually seen in thunderstorms, with the best knowledge that advancing science could provide. All attempts to deal with this phenomenon were in variably frustrated. The characteristics of ball lightning could be readily cataloged, but they firmly resisted both experimental reproduction and theo retical explanation. One may say that to this day there is no explanation accepted by a large number of scientists. Several investigators of great ability and considerable accomplishment in different fields of science, including Faraday, Kelvin, and Arrhenius, took note of the problem.
Revised, updated edition of classic work on the physics of lightning covers phenomena, terminology, measurement, photography, spectroscopy, thunder, and more, including reviews of recent research. 140 figures and tables.
This is the first proceedings held on scientific research on the ball lightning (fire ball). Eyewitness accounts of bars lightnings were presented and analysed by experts from USA, Germany, USSR, Hungary and Japan. The theoretical model on the ball lightning, and experimental research from various instruments were discussed.
From the Preface: In the 18 years since my technical monograph Lightning (McGraw-Hill, 1969; Dover, 1984) was first published, there have been significant advances in our understanding of lightning, but, until now, there has been no new monograph on the subject. A number of edited collections of papers and conference proceedings relating to lightning have been published during this period and are listed in Appendix D as well as being referenced, where appropriate, throughout the text... In the present book, the chapters are organized primarily by lightning process. Each chapter contains a reference list of essentially all literature on the subject discussed in that chapter, although all of these references may not be cited in the text.
Provides information and safety tips relating to lightning and thunderstorms.
Answers questions about Franklin's experiment, lightning rods, safety considerations, property damage, ball lightning, thunder, and thunderstorms
Lightning: Physics and Effects is the first book that covers essentially all aspects of lightning, including lightning physics, lightning protection and the interaction of lightning with a variety of objects and systems as well as with the environment. It is written in a style that will be accessible to the technical non-expert and is addressed to anyone interested in lightning and its effects. This will include physicists, engineers working in the power, communications, computer and aviation industries, meteorologists, atmospheric chemists, foresters, ecologists, physicians working in the area of electrical trauma and architects. This comprehensive reference volume contains over 300 illustrations, 70 tables containing quantitative information and a bibliography of more than 6000 references.