› added 5 years ago

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TIL Xerox and Cannon created the Machine Identification Code. A digital watermark which certain color laser printers and copiers leave on every single printed page, allowing identification of the device with which a document was printed and giving clues to the originator

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Km59 TIL that the Diplodocus could whip its tail so fast it would break the sound barrier, producing a canon-like boom.
loOPG TIL of the "grammar vigilante" in Bristol, he sneaks out at night time to fix mistakes and add apostrophes on different business signs around the city.
mxEXP TIL Charlie Chaplin was the subject of an FBI investigation due to alleged communist sympathies during the height of McCarthyism. He later said "As for politics, I am an anarchist. I hate government and rules - and fetters ... People must be free."
woOx6 TIL: the first "Earthrise" photo was black and white. Taken before the famous color picture
A1vw TIL that a 14 year old boy broke into Queen Victoria’s Buckingham Palace while disguised as a chimney sweep and then ran off with her underwear.