› added 4 years ago

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TIL that the flag of West Virginia is the only US State flag with crossed rifles, meant to illustrate the importance of the state's fight for liberty during the Civil War.

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via reddit.com

wo8L7 TIL that Operation Valkyrie, a plot to kill Hitler, failed because the bag containing the bomb was moved at the last second by a Nazi Official, saving Hitler
8Bd8 TIL engineers that worked on the Lockheed SR-71 “Blackbird” aircraft couldn’t come up with a proper fuel sealing system that could handle the thermal expansion of the airframe at extreme temperatures, so the aircraft would leak jet fuel on the runway.
6EEm TIL the oldest obsidian bracelet, found in Turkey, is dated to c. 7500 BCE. The symmetry of the central annular ridge is extremely precise, to the nearest degree and nearest hundred micrometers, forcing researchers to rethink the manufacturing skills of “hunter/gatherers”.
YpY7W TIL that the Ganzfeld Experiment is a technique used to test individuals for ESP and induce hallucinations
n9jP TIL or Horace Greasely, who escaped the Nazi death camps 200 times to meet with the woman he was in love with, and returned after every time because there was no other place to go to.