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TIL that there is such a thing as a “sound laser”; a device that projects sound in a straight line. For example, you could play a song to your friend across the room and have only him hear it.

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nKvb TIL crime is a major problem in Pine Ridge Indian reservation and since many of the Native Americans grow up as master horsemen, the reservation has an actual problem with gangs of Indians on horseback terrorizing the towns and riding away into the sunset where police vehicles can’t follow.
nENW TIL The nation of Canada is undefeated in the world of professional sumo wrestling. There has been precisely one, John Tenta, who retired having never lost a bout.
yb4M TIL despite not turning a profit, Reddit plans to donate 10% of its ad revenue to non-profit organizations this year.
X01xr TIL: A town in Nevada STILL sounds a "sundown siren" at 6pm every evening, originally signifying that Native Americans were required to leave town by 6:30pm or face jail or fine
X06g6 TIL of the origin of the phrase "drunker than Cooter Brown." Legend says that Cooter lived on the dividing line between north and south in the American Civil War. He didn't want to fight, so he stayed drunk all the time to make himself ineligible for military service.