› added 1 year ago

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TIL intercontinental ballistic missiles use celestial navigation to check and correct their course (initially set using internal gyroscopes) while flying outside the Earth's atmosphere.

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Oog1a TIL between 2004-2009, the Clean Water Act was violated more than 506,000 times, by more than 23,000 companies and other facilities. 40% of the nation’s community water systems violated the act at least once.
YpQgA TIL that in the US it is illegal for one company to acquire another for the purposes of absorbing or eliminating the competition.
ADnJB TIL that Habsburg Emperor Joseph II tried to reform Austria into "ideal Enlightened state". He abolished serfdom, removed restrictions against Jews, gave religious freedom to Protestants and Orthodox and tried to weaken power of Catholic church. But as soon he died all his reforms were abolished
nW4mo TIL that there were Olympic medals for painters, sculptors, writers and musicians until 1952.
0pGR TIL that the ¼" audio plug (like on headphones) is probably the oldest electrical connector still in use. It was introduced in 1878.