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107

TIL some watches with Roman numerals on the watch face use IIII instead of IV

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LQ1Wm TIL Volcanos in Hawaii can produce hair-like strands of glass called "Pele's Hair."
QN8x6 TIL about Jon Brower Minnoch. At his peak weight, he was the heaviest human ever recorded, weighing 635 kg (1400 lb).
x6pWb TIL Dian Fossey, the conservationist who lived with Gorillas for several years, was murdered while doing research in Rwanda
x6M9b TIL that when Borland needed a name for a new software product, developers wanted to call it "Delphi". Marketing wanted "AppBuilder". A few months before release, Novell shipped its own "AppBuilder", preventing that name's use. The developers got their wish and the company announced Borland Delphi.
oMKE TIL Horror movie soundtracks sometimes include infrasound, which is sound below the range of human hearing. Even though we can’t hear it we can still feel it and infrasound has been shown to induce anxiety, heart palpitations, and shivering.