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TIL that Bell distributed a manual cardboard computer to high school students in 1968 to teach them how computers work

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vPNBr TIL Alex Hirsch’s (creator of Gravity Falls) first TV role was actually on the Late Show with David Letterman. He had won his High School bird Calling competition and was 17.
J0AQ TIL that many printers print barely visible dots on every page which allow the printed pages to be forensically traced. Most, if not all, major printer manufacturers have a secret agreement with the government to ensure the documents can be accurately traced.
5Y55n TIL if the Queen of England moves her purse from her right arm to her left that a signal for her staff to come interrupt her conversation.
1aLVW TIL Chinese Emperor Xianfeng's reign title "Universal Prosperity", did not reflect the situation. When he came to the throne at 19 in 1850 the first of a series of popular rebellions began that would nearly destroy the dynasty
6XMZ TIL If you order your steak well-done in a restaurant you are more likely to get low-quality, throw-away meat.