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TIL: The Water Level of Spirit Lake Was Permanently Raised by 200ft due to a Volcanic Eruption 40 Years Ago, Preserving a Floating Forest of Fallen Trees

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R8vl TIL that in order to play the didgeridoo, you must learn to breath circularly. This is done by simultaneously inhaling with the nose and pushing air out of the mouth. Kenny G used the technique in 1997 to win a world record for the longest note ever recorded, an E-flat for 45 minutes and 47 seconds
9wAYp TIL in WW2, children in the Theresienstadt camp played concentration camp-related games including "gas chamber"
Zp7YQ TIL the punctuation following standard measurements, like 5’7”, aren’t quotation marks — they’re primes.
DM0j TIL of a Canadian pop band called Free Beer who had trouble booking gigs because bar patrons would complain to bar owners about being tricked. So the group changed the name to Barenaked Ladies.
4X4Gw TIL due to a miscalculation, the largest nuclear bomb ever tested by the United States was accidentally three times stronger than expected. This resulted in most of the test equipment being destroyed or vaporized rendering the experiment a failure.