Mysterious Ball Lightning (1 of 2) (IMAGE) University of Innsbruck Caption Researchers have produced luminous fire balls in the laboratory, which appeared not completely unlike ball lightning and could explain some of the observations but were mostly too short lived. Credit University of Innsbruck Usage Restrictions Only in conjunction with this release. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.