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TIL that the famous photo of Nikola Tesla calmly reading a book while his massive Tesla coil sends huge electric arcs across the room was a double exposure for a publicity campaign

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via reddit.com

eJpk TIL Elephants can be right or left-tusked the same way humans have a dominant hand. Their dominant tusk is usually more worn down.
GEv7 TIL the Parthenon is in such bad condition because occupying Turkish forces used it as a powder magazine which exploded when hit by a Venetian shell in 1687.
J177l TIL about Tiangong (“Sky Palace”), a permanently crewed Chinese space station. It operates in low Earth orbit between 210 and 280 miles above the surface. Launched on 29 April 2021, it's been manned by a crew of 3 to 6 astronauts since 5 June 2022.
XEgG6 TIL that the name "battery" was first used by Benjamin Franklin in his experiments with Leyden Jars (early electrostatic capacitors) and originally only meant "a group of two or more" borrowing the term from artillery batteries.
AEol TIL that Eugene Shoemaker, who co-discovered comet Shoemaker-Levy 9, died in a car crash on his way to see comet Hale-Bopp. Some of his ashes were taken to the moon in 1999, making him the only person to be buried on a celestial body outside Earth.