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TIL during the 9/11 Commission, it was revealed that some investors placed large amounts of put options, a type of option that increases in value as a stock falls, against United and American Airlines, right before 9/11/2001. The investor's $5M profit still sits unclaimed in the Chicago Exchange.

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ZpGMR TIL of the death of Rudolf Rupp. His wife, two daughters, and one of their boyfriends falsely confessed to and were sentenced to jail for killing, dismembering, and feeding Rupp to dogs on the family farm. They were all later acquitted when his body was found intact in his car in the Danube.
M7J5B TIL the loud thumping air pressure changes in a moving car when a single window is rolled down is called Helmholtz Resonance. This also occurs when air is blown into the mouth of an empty bottle.
RBPl TIL The core of the first nuclear weapon was driven to the test range in the back seat of a scientist’s car.
n1x9 TIL: A Robot keeps escaping because of its ‘love for freedom’ even after undergoing extensive reprogramming to avoid the issue. They might not have any other option but to shut it down
epRe4 TIL that Frank Zappa’s estate was not divided equally amongst his four children