All About Ball Lightning: Also Will O the Wisps, Foo Fighters, and St Elmos Fire

Ball Lightning is a phenomena which definitely exists. One European study counted over 5,000 sightings of these weird balls. It also seems to be similar to old tales of the "Will O the Wisp" and World War Two Foo Fighters. St. Elmos Fire also has similar observations so data on this phenomenon are included too. There are many potential explanations but none are confirmed. Although most seem to appear around thunderstorms this is not always the case. My own belief is that these objects are c...