› added 7 years ago

268

TIL That Stephen Hawking once threw a party for Time Travelers, but only sent out the invitation after the party was over.

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lojkB TIL I learned of an autorotation, a maneuver to stop a falling helicopter during engine failure
woeJ6 TIL the 1871 Peshtigo fire in Wisconsin was the most deadly in US history, killing up to 2,500. It's mostly forgotten because of another fire that occured the same day, the Great Chicago Fire.
p8vQN TIL Over a five-year period starting in 1968, commercial jets were hijacked nearly once a week in the United States.
x606B TIL that the sun accounts for 99.8% of the the total mass of our solar system
pAbA TIL that a lifeguard in South Florida was fired for saving someone who was drowning because the guy wasn’t technically in the lifeguard’s assigned area.