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TIL the Chainsaw was originally designed as a medical tool used in Symphysiotomy - the widening of a woman’s pelvis to aid in childbirth

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9KO7 TIL that the fuel efficiency of the Saturn V rocket was less than five inches/gallon.
eNoJ TIL Wi-Fi was developed by using technology from a failed experiment attempting to detect mini black holes.
jB5n TIL in 1994, Crayola released a set of scented crayons but had to remove some of the scents a year later because parents complained that some of the crayons smelled good enough to eat.
v1XG4 TIL approximately once every 18 months (on average) a total solar eclipse is visible from some place on the Earth’s surface
LkDLp TIL Clyde Tombaugh, the astronomist who discovered Pluto, had his ashes placed on the New Horizons spacecraft, which flew to Pluto in 2006.