Historical research guide · 0645 · 2012
The Ball Lightning Controversy: Empirical Case Studies
Alexander G. Keul
In one minute
Ball lightning has been reported for about four hundred years and has carried that name since Arago used it in 1837, and Alexander Keul — a meteorologist and psychologist at Salzburg who has spent decades collecting European cases — uses this chapter to set out exactly what makes the subject hard, and what would make it easier. The phenomenon is a metastable luminous object in atmospheric electricity: it appears at random in time and space, lasts only seconds, and vanishes with or without leaving traces. That behaviour defeats the ordinary handles of a physical science. Cases are hard to classify, residue is hard to analyse, and the object is hard to reproduce in a laboratory. After more than a century and a half of scientific effort, Keul writes, most incoming material is still anecdotal and theoretical discussions still outnumber critically assessed field investigations. He then adds the layer most physics chapters leave out: mental models and lay theories, which shape what witnesses, scientists, the media and the public each make of the same event.
Connection
Chapter 9 treats plasmoids and glowing orbs as real physical objects worth instrumenting, and this chapter is the honest statement of what stands between the reports and the instruments — classification, residue and laboratory reproduction, each named as a solvable problem rather than a reason to look away. Chapter 1’s evidence ladder is the same argument in the site’s own vocabulary. Read it beside Keul’s open-licence ledger of forty-one trained-observer cases at /library/stm-48b6e644d4, and beside Anatoly Nikitin’s electrodynamic model at /library/stm-90f3c174b1, which is the sort of theory the field investigations would test.
From the source
The term ball lightning has been used since Arago in 1837 for an unexplained class of metastable luminous phenomena in atmospheric electricity.Abstract, first sentence
Ball lightning seemingly appears at random in time and space, lasts only for seconds, and vanishes with or without traces.Abstract, second sentence
Ball lightning causes epistemological problems in case classification, in the analysis of residue, and in laboratory simulation — the three places where the evidence has to be made to hold.Abstract, third sentence
After about 400 years of report history and over 150 years of scientific efforts, most of the incoming material is still anecdotal, and theoretical discussions still outnumber critically assessed field investigations — which names the measurement the field is short of.Abstract, fourth sentence
Ball lightning also has a psychological level, with different mental models, lay theories and working paradigms creating a difficult pattern for witnesses, scientists, the media and the public.Abstract, final sentence
The way in
https://doi.org/10.1007/978-94-007-5000-5_3How to cite it
Alexander G. Keul (2012) The Ball Lightning Controversy: Empirical Case Studies doi:10.1007/978-94-007-5000-5_3