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TIL that liquid helium has zero viscosity and can flow through microscopic holes and up walls against gravity

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PYNvL TIL that tonnage of air-conditioning is the amount of heat it removes in an hour. 1 Ton AC can remove the heat enough to melt 1 ton Ice in 1 hour.
E18jX TIL the dept of Homeland Security ran an experiment where they left CDs and USB sticks in the parking lots of government buildings and private contractors. 60% of those who picked them up plugged the device into their office computers, and if it had an official logo, 90% of them were installed.
DEwp TIL The Lion King game led to the creation of Direct X.
DQpoj TIL in 1966, the Doors’ were lacking material, and so Jim Morrison asked the other band members to write a song. That same night, guitarist Robby Krieger wrote a song and titled it “Light My Fire.” It became their first ever hit, spent 3 weeks at #1 on Billboard, and launched the band to stardom.
9kjD TIL Marijuana was made illegal in 1937 by a man who testified that the drug made white women want to be with black guys.