› added 2 years ago

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TIL the first Blue LED wasn't commercially available until 1989 and bright blue LEDs weren't available until 1993.

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ne9v9 TIL about the U-238 Atomic Energy Lab, marketed to kids as a toy in the 1950's it came with 3 different types of live Uranium Ore and a Geiger Counter. The kit's intention was to allow children to create and watch nuclear and chemical reactions using radioactive material
7rVlZ TIL that a cow once escaped a slaughterhouse by smashing through a metal fence and breaking the arm of a man that tried to catch her. She swam to an island where she lives alone.
ynoM TIL there is a triangle over the great lakes that has more disappearances than the Bermuda triangle.
N7mZe TIL that Germany didn't invent concentration camps, America did.
JYnd4 TIL A study found that companies with leaders who show "psychopathic characteristics" destroy shareholder value, tending to have poor future returns on equity. Workplace psychopaths maintain multiple personas throughout the office, presenting each colleague with a different version of themselves.