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16

TIL in 1970s the USA built and tested hovertrains

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b6EkQ TIL: In 1962 a man named Martin K. Speckter invented "the interrobang" (‽), a glyph which combines the glyphs and functions of the question mark (?) and exclamation point (!).
PY0Jg TIL DNA testing showed Subway Sandwiches' chicken was only 50% meat, the rest was soy. The testing was done at a University forensic lab. Subway vehemently denied the data.
roAw TIL that one of the London suicide bombers went back to the casher in a restaurant because he didn’t get enough change, just one hour before he blew himself up in the subway
45aa TIL of Loudness War: the trend of increasing audio levels in recorded music since the 90s, which criticists believe reduces overall sound quality.
0wGjv TIL that the Catholic Church didn't pardon Galileo until 1992, when Pope John Paul II admitted Galileo was right, more than 350 years after the condemnation