› added 6 years ago

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TIL that Bob Widlar (uA702 creator) installed "The Hassler" outside his office. Whenever people started talking, the device would detect the audio, convert it to high freq, and playback the converted sound. Visitors would notice this ringing, stop talking, and the sound disappeared. Lesson learned.

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XEvp6 TIL of Arek Hersh, a Jewish man who survived the Holocaust as a child. At the age of 14, he was sent to Auschwitz-Birkenau. He was tattooed with the number B7608 and had his only photographs of his family ripped away from him. The Holocaust killed 81 members of his family. Only his sister survived.
N5O8 TIL the same PR firms that tried to argue that tobacco use did not link to lung cancer received money in 2009 simply to increase the debate over the long term health consequences of natural gas fracking.
b5LZ TIL, The Strid is a narrow stream in Yorkshire with a deep chasm and undercurrents so strong that not a single person who has fallen into the Strid has ever come out of it alive
VMenm TIL in 1994, the then 17-year-old David Hahn made a nuclear reactor from batteries, old clocks, lanterns, uranium from Czechoslovakia and duct tape in a shed next to his mother’s house.
R5vww TIL my partners dad just had a bone marrow transfer, he now has two sets of DNA and his blood type has changed! On a side note, if you donated bone marrow in the last two weeks, thank you very much!❤️‍🩹