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TIL that the Accessible Pedestrian Signal sound that gets pedestrians' attention the most efficiently is a "rapid tick," which sounds like a machine gun.

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xVwYo TIL that Fakhruddin Razi (d.1210), a Persian Polymath, decentred our universe-centric ideas with his conception of a multiverse. This astonishing idea happened 300 years before Copernicus' more well-known revolution of moving western astronomical knowledge from geocentric to heliocentric
wLek6 TIL Brigitte Höss, daughter of Rudolf Höss (Commandant of Auschwitz), was employed by a Jewish couple in Washington DC in the 70s. "They saw her as a person, in her own right, apart from her father".
YdXB TIL the mobile game “Send Me to Heaven” involves throwing your phone as high in the air as you can. the creator said he made it with the hope of destroying as many iPhones as possible, but Apple banned it from the App Store
xVxG5 TIL Stanford researchers showed that mealworms can safely consume various types of plastics including toxic additive-containing plastic such as polystyrene with no ill effects. The worms can then be used as a safe, protein-rich feed supplement
W70dX TIL that the Mormon (LDS) church is the largest landowner in the states of Florida and Illinois.