› added 6 years ago

1303

TIL that sea monsters on old maps meant dangerous waters.

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j7wN TIL California City is the 3rd biggest city in California by area. Its founder planned a city to rival Los Angeles, but today only 14000 people live there.
Lk41Q TIL as a prank, a man once climbed Mount Hood in the middle of the night and surreptitiously left a morning newspaper and a quart of milk for his friends, who were spending the night on the summit
kAgB TIL R. Lee Ermey, best known as Gunnery Sergeant Hartman in Full Metal Jacket, was the first retiree in the history of the Marines to be promoted.
P1pLV TIL that objects known as optical frequency multipliers can double the frequency of a beam of light. This means that it's possible for them to convert invisible light (infrared) into visible light
VAKm TIL a black woman in 1828 won a lawsuit against a white man who sold her son into slavery. She was the first black woman to win a lawsuit against a white man.