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TIL the term Bisexual was originally used in the 1940s-70s to mean something similar to how non-binary or genderfluid were used today. The modern meaning only gained prominence in the 1970s.

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R5Doa TIL that an unplugged microwave carries enough residual current to kill you, even if it's been unplugged for months. So never try to repair a broken microwave unless you know how to discharge the capacitor.
E1QJo TIL That in the Live Aid Queen performance, at 16:38 you can see a wave going to the back of the stadium from the people clapping. That wave is the speed of sound, caused by the people at the back hearing the music a split second before the people at the front.
wLXQ1 TIL a critical mass of uranium assembled itself in what is now Gabon, forming the first and only natural nuclear reactor in history. It fissioned for hundreds of thousands of years before fizzling out.
Y7vJr TIL Kennedy's book, Profiles In Courage, was extremely sympathetic to the Deep South and the Lost Cause myth. He portrayed the South as the victims of the Civil War and Reconstruction while Northerners were portrayed as corrupt officials who exploited and ravaged the South.
NXx9E TIL about The Changing Light at Sandover, an epic-length poem written over twenty years by a gay poet and his lover, based on dictation from spirits speaking through a ouija board