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TIL that following the crash of a commercial airplane he owned that killed all 223 passengers, three-time Formula One World Champion Niki Lauda investigated the crash and found that thrust reversers caused it, he got Boeing to admit fault and change the design of the 767 airplane

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VlDk TIL that 10 Syrian Pound coins are so similar to Norway’s 20 krone coins in weight that vending machines cannot tell the difference. Posten Norge had to close many of their coin-to-cash machines because of this. 20 krone is worth about 45 times more than 10 SP.
ZkxQ TIL Apple spends $236 to make each iPhone 6s Plus device, which it sells for over three times that value at $749. Also, a 64GB iPhone costs Apple about $17 more to make than a 16 GB iPhone, but Apple charges iPhone buyers $100 more for the increased memory
Ly59 TIL The 1993 World Trade Center bombing was the result of an FBI sting operation. FBI agents secretly supplied informant Emad Salem with bomb making materials. Despite being assured by the FBI that the real bomb was replaced with a fake, the attack was successfully carried out.
9Zar TIL of Prophet Muhammad’s Last Sermon where he stated “All mankind is from Adam and Eve, an Arab has no superiority over a non-Arab nor a non-Arab has any superiority over an Arab; also a white has no superiority over black nor a black has any superiority over white except by piety and good action.”
DOng TIL Jesse James once gave a widow he was staying with $1400 to pay off a debt collector. He told her to give him the money and get a receipt. James then hid and waited for the debt collector to leave, and then robbed the man as he left the widow’s home.