Ball lightning is an unexplained and potentially dangerous atmospheric electrical phenomenon. The term refers to reports of luminescent, spherical... | By Discover Earth | Facebook
Rare Ball Lightning Captured On Video - YouTube
The Proof Is Out There: Unexplained Lightning Phenomenon Caught On Camera (Season 1) | History - YouTube
The Mystery Behind Ball Lightning! / Documentary (English/HD) - YouTube
Ball lightning - Wikipedia
The Lab That Makes Lightning (Warning: Contains Flashing Lights) - YouTube