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TIL An extension cord with two male ends on it is often used to bench test electrical equipment in the industrial field, but is considered so dangerous in other applications, that it is commonly referred to as a “suicide cord.”

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xOX7 TIL that in 1954, a covert US operation overthrew a democratically elected government in Guatemala for the benefit of an American fruit company.
7rP9b TIL that the SR71 Blackbird (fastest plane ever) used to covertly spy on the Soviet Union during the cold war, was built from Titanium that the US anonymously bought from Russia.
BrxPk TIL that the King of Prussia had a personal army of 3000 tall men and admitted, "The most beautiful girl or woman in the world would be a matter of indifference to me, but tall soldiers—they are my weakness"
1L54 TIL that Apollo 12 astronaut Alan L Bean accidentally destroyed the mission’s TV camera by pointing it at the sun, left several rolls of exposed film on the moon by mistake, and was hit on the head by a 16mm film camera when the crew splashed down on Earth.
OG6Ea TIL Tim Derk invented the T-Shirt Cannon in the mid 1990s. It was inspired by "spud launchers" during wartime, and quickly caught on with sports team mascots.