Download Ball Lightning and Bead Lightning: Extreme Forms of by James Barry PDF

By James Barry

The function of this monograph is to study the recognized actual features of 2 strange kinds of atmospheric luminous phenomena, to infer their features and homes, and to advertise efforts to enhance their realizing. those types, referred to as ball lightning and bead lightning, have visible photographs that vary from the linear photo linked to normallightning. The phrases "balliightning" and "bead lightning" are used to indicate atmospheric luminous kinds that are sometimes saw and feature the geometrie form advised by means of their identify. Vet, it truly is attainable that neither phenomenon may possibly actually be a kind of lightning within the experience of a continuing electric discharge. Bead lightning has been defined because the residue of a cloud-to­ cloud or cloud-to-ground lightning stroke and has the looks of aseries of luminous balls separated by means of darkish areas, hence similar to astring of pearls, and continues to be noticeable for approximately one moment. Ball lightning has been defined as a unmarried luminous globe showing ne ar the floor after a lightning stroke and in addition final seen for approximately one moment. either phenomena stay noticeable some distance longer than common lightning flashes.

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Extra resources for Ball Lightning and Bead Lightning: Extreme Forms of Atmospheric Electricity

Sample text

Kogan-Beletskii (1957), Pcholko (966), and W(~jskowy (966) report contact and possible damage to aircraft. 2. These references are of partiCldar interest to those interested in proposing theories for the formation and continued existence of ball lightning. A major aspect of many theories has been the energy source for the event. The question is, is it external or internal? Since ball lightning has been observed to come into contact with conductors without being immediately terminated, the suggestion of external sources providing the energy has been questioned.

Chalmers (1751), Child (1755), Cooke (1742), Decerfz (1847), Derharn (1729), Eliot (1773), Faraday (1833, 1839), Gordon (1742/43), W. Hamilton (1795), R. Hare (1828,1840), Hebert (1847), Hugueny (1845), King (1773), Lining (1754), C. Mason (1742/43), N'icholson (1774), Nixon (1750), Palmer (1752), Paradise (1773), Parisot (1821), Pilaye (1843), Wainhouse and Pitcairn (1773), Wasse (1725), W. Watson (1754), and Weekes (1841). Other references to observations made several hundred years ago have not been available to this author but are also noted in the reference list in Chapter 8.

Elmo's Fire. Decay. Ball lightning has been observed to decay by two modes. One is the silent decay, associated with a decrease in brightness and diameter. The second, designated as the explosive mode, is associated with a loud violent sound. So me observers report a sudden color change preceding the explosive decay. Others re port an explosive decay mode and also report a lack of damage to the surroundings even though the explosive decay occurred near some breakable object. This may suggest an implosive decay rather than explosive decay.

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