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TIL that the A-10 Warthog has a dedicated windshield washer fluid reservoir specifically for clearing the canopy of soot and carbon after the cannon is fired. It also has fins under the air frame to redirect gun gasses from being sucked into the engines and starving them of oxygen.

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PYgDE TIL that according to astronauts, space smells like a strange mixture of charred meat and raspberries.
XR7X TIL An Oxford University study concluded that men need at least two “guys nights” a week to stay healthy
dKPK TIL that sapphires and rubies are actually the same material, and only look different because of slight impurities.
a8pQN TIL That General Leslie Groves who was the Director of the Manhattan Project, which help develop the first atomic bomb, had previously been in charge of the construction of the office building which would eventually become the Pentagon.
BrV7D TIL For 10 years, Emerich Juettner printed poorly made counterfeit $1 bills (Washington was spelled Wasihgton). He never used more than $1 at a time and never in the same place twice. He was caught only after a fire at his apartment. He was sentenced to one year and one day in prison, and a $1 fine.