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TIL Smoking Areas existed in Public High Schools back in the 1980’s. Students could smoke cigarettes on school grounds between classes in designated lounges

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E1W7V TIL that all British tanks are required to be outfitted with tea-making equipment
kJaVg TIL that Prime Minister Harold Holt, the Prime Minister who most likely drowned at sea in 1967, is commemorated by the Harold Holt Memorial Swimming Centre in the Melbourne suburb of Glen Iris.
Aj54 TIL the Swiss Air Force is only operational weekdays between 8am-5pm, closing for lunch between 12pm-1:30pm. In 2014, they were unable to intercept a highjacked airliner because they weren’t open yet that morning.
e0emD TIL Blu-ray Discs use blue lasers to read and write to the disc as opposed to the traditional red, which allows for substantially more data to be stored due the the blue light's shorter wavelength
JYWO4 TIL The Far Side's cartoonist, Gary Larson, has three species of of insects, one a chewing louse, named after him to thank him for the celebration of science in the comic.