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TIL that earth’s rotation is changing speed. It's actually slowing. This means that, on average, the length of a day increases by around 1.8 seconds per century.

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kO08d TIL that early psychologists, having few examples to demonstrate mental illness in humans, would sometimes invoke in court proceedings Shakespeare characters such as King Lear and Hamlet as types of human madness
LoQ TIL that all the actors that formed the Fellowship in LOTR got tattoos of the elvish script for “nine” to celebrate the experience of filming, apart from John Rhys-Davies (Gimli)
PYg4w TIL Joe Arridy, a mentally disabled man, was executed for a murder he didn’t commit. Unable to comprehend his fate, he laughed & smiled as he entered the gas chamber. “No, no, Joe won’t die” he said to the warden.
9Y0BQ TIL The Halifax Explosion was the biggest man made non weapons test explosion that resulted in casualties, with force equivalent to 2.9 kilotons of TNT the explosion caused 60 foot tsunami's and a shock wave that traveled at 7889 meter/s (23X speed of sound) and temperatures of 9,000°F at the center
rL1w TIL that “Lego Star Wars the Video Game” contained the entire plot of Revenge of the sith despite being released a month before the movie’s premiere.