› added 8 months ago

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TIL of the Boots Theory of Socioeconomic Unfairness: poor people buy cheap products that need to be replaced repeatedly, proving more expensive in the long run than more expensive items

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8Bd8 TIL engineers that worked on the Lockheed SR-71 “Blackbird” aircraft couldn’t come up with a proper fuel sealing system that could handle the thermal expansion of the airframe at extreme temperatures, so the aircraft would leak jet fuel on the runway.
XEynX TIL Six nylon American flags have been left on the Moon. They were purchased from a government catalogue and not designed to handle the harsh conditions of Space. Some flags are still standing. It is thought that the Apollo 11 flag fell over after they left the moon.
R59Ka TIL that the phosphorus used in fertilizer for food production is considered a non-renewable and finite resource we will run out of someday
8npV TIL that prior to Office Space, Swingline did not manufacture a red stapler.
e06lk TIL that a brother-sister duo in Iceland would have different surnames. As a surname; the boy gets his father's first name with a '-son' in the end, the girl also gets the father's first name but with a '-dottir' in the end. Ultimately they end up having different surnames.