Ball lightning as electromagnetic energy

  title={Ball lightning as electromagnetic energy},
  author={V. G. Endean},
NONE of the theories1–8 proposed to explain ball lightning seems able to account satisfactorily for the experimental evidence9–14. Jennison15 has suggested that ball lightning is a spherical stable standing wave of electromagnetic radiation. The proposal that ball lightning in effect consists of electromagnetic field energy trapped in an evacuated cavity of approximately spherical shape, with an ionised sheath separating it from the atmosphere, merits further examination. 
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