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TIL: They have Smartphones in North Korea
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kOPN1
TIL that two French inventors who had never heard of each other before presented nearly identical techniques for producing color photographs on the same day in 1869 to the French Society for Photography.
xROg
TIL that 20/20 vision isn’t actually “perfect”, and that professional baseball players average around 20/12 vision; greater acuity than conventional eye charts test for.
GAKb1
TIL that Finland has a "National Sleepy Head Day" where the last person in a household to wake up is thrown into a lake or the sea by the rest of the family or friends
Lkl10
TIL that because insulin is incredibly expensive despite being the same drug discovered a century ago, there's a movement to create an open source, small-batch manufacturing process
D1BDJ
TIL chief justice John Marshall and his fellow justices enjoyed Madeira wine, but set a rule that they would only drink on rainy days. When Marshall was told it was a sunny day, he said, 'this is a large area we have jurisdiction over, I'm sure it's raining somewhere.'