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214

TIL salt mines are used for storage because of their lots of space, low humidity (45%), and low risk of fires. E.g. in Kansas.

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xVJ4B TIL about Wittgenstein's poker: During an argument, Ludwig Wittgenstein, brandishing a poker, challenged Karl Popper to name a single example of a moral rule, to which Popper replied 'not to threaten visiting lecturers with pokers'.
oRknW TIL that the Polish anti-communist organization Fighting Solidarity learned that the AMSAT-OSCAR 7, an apparently inactive satellite after a battery failture, had in fact remained intermittently functional, and used it surreptitiously for communication during the martial law in Poland.
OGkDR TIL that All Quiet on the Western Front had a sequel. Although the first book's protagonist dies at the end, the Road Back focuses on the return of his demoralized comrades to a ruined German society.
4k9VN TIL the founders of Adidas (Adolf Dassler) and Puma (Rudolf Dassler) were not only rivals in business, but both were members of the Nazi Party and are brothers who had an intense sibling rivalry.
Eg5Zw TIL that in 2004, 1/3 of the men in the Pitcairn Islands were accused of assault. Their defense rested on the fact that British sovereignty of the islands was illegitimate, as the colonists were descended from Royal Navy mutineers. A new Court had to be created specifically to have jurisdiction.