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80

TIL of the 1987 Goiânia accident in Brazil. Two scrap merchants stole equipment left in an abandoned hospital and inadvertently released radioactive material from a radiotherapy device, resulting in 249 contaminations and four deaths

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awvpL TIL NASA never spent $1 Million to develop the space pen. The Fisher Pen company spent $1 million of its own money to make a zero-G pen, which NASA brought for about $6 per pen. The Soviets also switched to pens as they were safer than pencils.
W79KB TIL in 1981, Neil Armstrong denied MTV’s request to use his likeness and “One small step” quote as part of its Moonman station identification opening sequence. The part was modified with background music and a series of beeps.
p81D8 TIL The band Heart played in Canada instead of the US for the first part of their career. They couldn't play in the US because their manager was hiding from the Vietnam draft in Canada.
4kXmR TIL in 1991 As a Captain HR McMaster lead a legendary tank battle in Iraq that destroyed a much larger Iraqi tank force. He defeated 28 Iraqi Republican Guard tanks in 23 minutes with no loses. This earned him a Silver Star for valor.
ew1D TIL some people are allergic to water.