Games
Every answer follows the sourced wording on this site. Open the fact-check log if you want the sentence behind a question.
A short quiz
In Britannica's wording, ball lightning is generally how large, and lasts how long?
The Royal Meteorological Society's estimate is that ball lightning is produced by about how many lightning strikes?
When and where was the natural event whose spectrum was published in 2014?
The 2014 spectrum of that event showed radiation from which soil elements?
What does Keul (2021) conclude about Georg Wilhelm Richmann's death in 1753?
When a Colorado team made short-lived plasma clouds in the lab, what did Dr Lindsay say, as quoted by the RMetS?
Myth or fact?
Every reliable source agrees that ball lightning is always the size of a golf ball.
The Royal Meteorological Society says it is estimated that only one in a million lightning strikes produces ball lightning.
Richmann's death in 1753 is proven to have been caused by ball lightning.
The 23 July 2012 event recorded by Cen, Yuan and Xue lasted 1.64 seconds, and its spectrum showed soil elements.
The 2012 spectrum proves that every ball-lightning report is a bubble of glowing soil particles.
Bead lightning is sometimes mistaken for ball lightning.
Tesla left a clear, repeatable method for making ball lightning in the laboratory.
Every source agrees that there are exactly 10,000 written accounts of ball lightning.
Open the fact-check log for the wording behind each question.