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TIL that NASA lost a $330m Mars Orbiter in 1999, immediately before mars orbit was achieved, because one of the contracted US companies used imperial units instead of metric.

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LkoPd TIL that 707,088 people in the 1931 Polish census were recorded as speaking 'local', rather than any recognized language.
P1Wmg TIL that at a 1979 Carnegie Hall performance, infamous entertainer Andy Kaufman sat his “grandma” at the side of the stage to watch his act. At the end of the performance it was revealed that it was comedian Robin Williams in a mask
M7raA TIL prior to joining the band Primus in 1989, guitarist Larry LaLonde was a member of the band Possessed, and was just 17 years old when Possessed’s landmark debut album, "Seven Churches," was released in 1985.
Yp8ZB TIL The Dr. Fox Effect is when students see an educator as more intelligent/informative because of their charm/warmth as opposed to their actual intelligence or teaching ability. Nonverbal behaviors were notably able to completely mask a meaningless, jargon-filled, and confused presentation.
p8r9O TIL That it is illegal to wear swimming shorts in public swimming pools in France. Stated for hygiene it is compulsory for men to wear speedos.