› added 4 years ago

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TIL The Chief Engineer for the SR-71 started as a tool engineer but was promoted for detecting a flaw in an airliner that made it unstable. He went on to create the famous Lockheed Skunkworks.

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via reddit.com

e0GAJ TIL that there were kamikaze torpedo/submarines called 'Kaiten' used by the Japanese at the end of WW2. They were fast, silent, made no bubbles, and contained 1.44 tons of TNT in the tip.
ggE4 TIL that in 2002, Boeing delivered a 767 aircraft to China for use as President Jiang’s “Air Force One.” Chinese test pilots discovered a reported 20-30 extremely sophisticated surveillance devices embedded into sensitive areas of the plane, including the Presidential bedroom.
R5jx9 TIL that the "Killing baby Hitler" is a thought experiment in ethics and theoretical physics which poses the question of using time travel to assassinate an infant Adolf Hitler.
JYJWQ TIL that 8.2% of Norwegians eat tacos every Friday night
LkgQ9 TIL in 2017 the Pentagon released videos and information of a UFO encounter through a FOIA request.