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TIL that a sonic boom doesnt occur only after an object breaks the sound barrier, but is produced continously as the object travels at supersonic speeds

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P1pwJ TIL one of the earliest medical descriptions of a phobia was by Hippocrates (460 - 370BC) who recounted a man named Nicanor who apparently suffered from a fear of flute music.
ADljn TIL Australian Public Service leaders implemented a "blind recruitment" experiment removing all indications of gender and ethnic background on applications in order to increase diversity in the work place. It had the opposite effect, causing less women and minorities to be hired.
gMy67 TIL that the production of the musical Love Never Dies was delayed because composer Andrew Lloyd Webber's six-month-old kitten Otto climbed onto Lloyd Webber's digital piano and managed to delete the entire score.
M7xOa TIL Elvis Presley recorded more than 600 songs in his music career but did not write a single song
VMp1p TIL that farmers in USA are hacking their John Deere tractors with Ukrainian firmware, which seems to be the only way to actually own the machines and their software, rather than rent them for lifetime from John Deere.