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TIL François Delsarte was an 19th century French singing and performance teacher known for his emphasis on expressing emotions and gestures. Delsarte never wrote an official guide to his style and ultimately imitators taught his style as heartless, stereotyped, and melodramatic gesticulation.

EmbP TIL Jan Demczur, a window washer working in the World Trade Center on 9/11, became trapped in an elevator in between floors after the first plane hit. Using his sqeegee to pry open the doors, he then broke through the drywall and led the passengers out of the building moments before it collapsed.
6E6W7 TIL about .kkrieger, a first-person shooter from 2004 which makes extensive use of procedural generation techniques and therefore takes up only 96 kilobytes of disk space
N7Xb1 Eighty-five years so far. The pitch-drop experiment—really more of a demonstration—began in 1927 when Thomas Parnell, a physics professor at the University of Queensland in Australia, set out to show his students that tar pitch, a derivative of coal so brittle that it can be smashed to pieces with a hammer, is in fact a highly viscous fluid. It flows at room temperature, albeit extremely slowly.
4kgPX TIL cormorant and pelican guano harvested from islands off the coast of Peru and Chile was used in the Inca highlands to boost agricultural output. The Inca created what the first known animal conservation scheme to safeguard the birds' breeding grounds with violations punishable by death
NX4bM TIL that as of August, 2022 there were over 2.8 million podcasts available online worldwide with over 135 million episodes in total.