"ENERGY: Ball lightning's frightening . . . but finally explained"

Ball lightning has puzzled scientists for centuries. These orbs of electrical charge bounce like balls, squeeze under doors then reform into orbs, and sometimes even float in mid-air. Now, a Ukrainian scientist claims to have solved the mystery of ball lightning—it is, he said, an aerosol of nanoscale batteries short-circuited by surface discharge to spontaneously generate mega-amperes of current.
Text: http://www.eetimes.com/showArticle.jhtml?articleID=201802939