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4

TIL permanent magnets can levitate, no superconductivity required

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Me7YK TIL - In 1984 Ronald Reagan sent the Soviet Army on high alert after saying "We begin bombing in five minutes" while doing a sound check.
No41 TIL the amount of heroin required for an overdose is only 5 times higher than the amount needed to get high
LWQd TIL The USA adopted the metric system in 1975, but the Reagan administration used budget cuts to halt the final implementation.
1awoO TIL In 2014, the International Space Station had to move 3 times in order to avoid being hit by space junk moving at 17,000 mph
r0ve TIL the famous “Piracy. It’s a crime” advert used the music in it illegally as it did not have the rights to the song