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TIL Houdini was friends with Sir Arthur Conan Doyle until his debunkings lead Doyle to believe Houdini was a medium using his power to block other psychics.

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69M4m TIL about the Rubens tube, also known as a flame tube, invented by German physicist Heinrich Rubens in 1905. A tube capped on both ends is filled with gas has 100 tiny flames that creates soundwave visualization
16RBD TIL The world's largest coin weighed almost 20kg (44lb)
EK5o TIL that Miyamoto Musashi, a Japanese rōnin born in the Tenshō era, had such faith in his own swordsmanship that he used a wooden sword regardless of the foe’s weapon. Additionally, Miyamoto killed an opponent with a sword that legend says he carved from an oar.
YpxR7 TIL in the Vietnam war, there was a flourishing sex industry for American soldiers. There were an estimated 300,000 sex workers in the country at this time. There were also an estimated 50,000 bastard American-Asian children, who were given the derisive name bui doi (dirt of life).
ANpDB TIL Austria's, Wiener Zeitung one of the oldest Published Daily Newspaper published it's last edition on 06/30/2023