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TIL in 2003 on the ABC evening news, it was reported that because of the dangers from Hurricane Isabelle, the military members assigned the duty of guarding the Tomb of the Unknown Soldier were given permission to suspend the assignment. They respectfully declined the offer. "No way, Sir!"

lLrK TIL building a time machine is believed to be scientifically possible but requires building a gigantic particle accelerator in space, stabilizing space-time foam, plucking out a wormhole, enlarging it and connecting it a gravitational field.
yQG8w TIL that the original Volkswagon Beetle would temporarily float on water because of a sealed steel bottom with nothing exposed beneath it. Volkswagen even created a 1972 television commercial which demonstrated its ability to float. It sold for $1999 US dollars (roughly equivalent to 12k today).
epP1b TIL in the 2nd century the Dumnoni lived without money, obtaining the necessities of life by exchange
BrWwK TIL The Toba Super-eruption was a supervolcanic eruption that occurred 75,000 years ago. It has been suggested this caused a volcanic winter lasting 6-10 years. The genetic bottleneck theory says the world population declined to 1,000-10,000 breeding pairs which we are all descended from.
dBpj TIL the hoverboard was invented for real in April 2016. Powered by six compact jet engines totaling 1000 HP (equivalent to four automobile engines), and stabilized with Segway-like algorithmic balancing, it has a flight time of 10 minutes using a camelbak filled with jet fuel.