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TIL Cincinnati Built a Subway System 100 Years Ago–But Never Used It

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via reddit.com

X0knj TIL Women fart
a8oGy TIL that an American cybersecurity company used the floating patterns in lava lamps to create a random number generator for encryption purposes.
R599Q TIL over 100 million Americans don't have internet or have unreliable internet!
16Bjd TIL, the US implemented the ZIP Code in 1963 to allow mail sorting methods to be faster and eventually be automated
Y7ykP TIL that 20 of the 50 oldest living people are Japanese