Ball Lightning

Ball lightning is a debated and controversial atmospheric electrical phenomenon. The term refers to reports of luminous, usually spherical objects which vary from pea-sized to several meters in diameter. It is sometimes associated with thunderstorms, but lasts considerably longer than the split-second flash of a lightning bolt.

1.   Ball Lightning Study [71 Pages, 1mb]
2.   Problem of Ball Lightning [352 Pages, 9mb]