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TIL a Pantograph is the accordion-like apparatus on top of a train that draws current from the overhead wires. Its called that due to its resemblance to the other Pantograph, linked sticks which produce a duplicate copy of handwriting and artwork. The word itself means "All writing/drawing."

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GOEj TIL There’s a Norwegian news site that makes readers pass a test proving they read the article before being allowed to comment on it
4XdDJ TIL about James Barry (born Margaret Bulkley), an esteemed military surgeon who reformed medical standards across the British Empire. He performed one of the 1st C-sections where both mother & child survived. After Barry's death in 1865, it was discovered his assigned sex at birth was female.
pb48 TIL of the Rajneeshee bioterror attack, in 1984 a cult sprayed salmonella on doorknobs and food in a town in Oregon to poison people so they would be too sick to vote and the cult could take over the town. It was the largest biological attack in U.S. history
X5rD TIL We actually live about 80 milliseconds in the past because that’s how long it takes our brains to process information.
Y7Ka7 TIL that in 2014 while in rehab, as well as in 2012, the singer Kesha asked her fans to send her human teeth to make art. In 2012 she told Bang Showbiz "I got, like, over 1000 human teeth," and said "I made it into a bra top, and a headdress, and earrings and necklaces."