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TIL that the US Navy has a massive indoor pool called MASK (maneuvering and seakeeping basin) in Maryland that houses 12-million gallons of water and can replicate any ocean wave situation in the world, ideal for testing equipment and scale models of boats

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j6Nlj TIL Pale Ale exists because the fuel source for brewing beer changed. Peat and coal were used to roast malt, imparting a dark color and smoky flavor to beers. But when coke fuel, a cleaner-burning fuel derived from coal, was introduced, the color and smoky flavor were not present, they had pale ale.
4XN7J TIL the National Trust implores us to stop urinating in a toilet, in order to save the water used in flushing, and instead wee onto compost heaps, which speeds up the chemical process of decomposition, making it a better fertiliser to grow vegetables and save even more energy in reducing food miles.
dWNE TIL that when we landed on the moon we placed reflectors that can reflect any laser pointed at it back to the earth, which smashes the conspiracy that we never went.
4Xl1J TIL there's a Volvo high mileage club, and the top car has apparently done 3,000,000 miles! And there are several over a million miles...
MeEmm TIL Mel Boozer, the African American human rights activist, became the first openly gay person ever nominated for the office of Vice President of the United States in 1980.