› added 7 years ago

274

TIL of the "Ghost Blimp" that floated into Daly, CA with all parachutes and working equipment on board and no sign of the crew

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4XlZg TIL about "Kryptos", a sculpture at the CIA headquarters in Langley, VA composed of a matrix of letters cut into metal. It was installed 30 years ago, and contains an encrypted riddle that remains unsolved.
rNWx4 TIL that in the year 2000, median sale price of homes in the US was around $170k and median income was $66k. Now in Q4 2022 median sale price is $470k and median income is $71k.
b96ba TIL they used to release massive balloons from Macys Parade into the air. If found, you could redeem one for a $100 reward. But they stopped because in "1932 an errant balloon wrapped itself around a passing airplane's wing, sending it into a tailspin."
7ryKX TIL That the Russian fire service. Has fire trains. That are permanently manned
awvgM TIL that the longest ship ever built, the Seawise Giant, is longer than the Empire State Building is tall. The ship could reach up to 20 mph and it took 5.5 miles to stop from that speed and the ship had a 2 mile turning circle.