Abstract
Protracted, luminosity occurs naturally in air in at least two forms—aurora borealis and ball lightning. In the case of the aurora, a widely accepted theory is available to account for the energy input which causes excitation. There is, however, considerable doubt as to the corresponding energy mechanism which has been presumed to be necessary to account for the strange stability of ball lightning.
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References
Meek and Craggs, Nature, 152, 538 (1943).
O'Doherty, Nature, 153, 558 (1944).
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O'DOHERTY, J. Persistence of Luminosity in Air. Nature 154, 339 (1944). https://doi.org/10.1038/154339a0
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DOI: https://doi.org/10.1038/154339a0
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