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TIL Before the invention of radar during World War II, incoming enemy warplanes were detected by listening with the aid of "sound locators" that looked more like musical instruments than tools of war.

Read more edition.cnn.com

via reddit.com

WkXjd TIL that hundreds of US agents during the cold war were caught due to their fake soviet passports. It was later discovered that the staples used in these forged passports were stainless-steel, unlike the soviet ones which corroded very easily.
J7R1 TIL Miley Cyrus’ dad is on the PTC’s advisory board. The organization’s mission is to “protect children from graphic and gratuitous programming and to restore responsibility to the entertainment industry.”
QNlep TIL the comedian Stephen Chow had one of the single most dominant years in box office history in 1992, when he starred in every one of the top five grossing films of the Hong Kong box office: Justice, My Foot; All’s Well Ends Well; Royal Tramp; King of Beggars; and Royal Tramp II
695Xm TIL McDonald's in India do not serve beef.
Aydg TIL Morse Code letter lengths correspond to the letter’s usage in Morristown, NJ’s newspaper in 1837.