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TIL physicists have experimentally achieved temperatures below absolute zero. Using supercooled potassium gas and a system of lasers and magnetic fields to precisely manipulate the potassium atoms, physicists successfully “cooled” the gas to a few billionths of a degree below absolute zero.

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k9dd TIL the animation segment in Bowling for Columbine that followed Matt Stone’s interview was made to look like it was by the South Park creators, which angered them and led to Michael Moore being parodied in Team America: World Police
Vx0m TIL when Pink Floyd were designing the iconic ‘Animals’ album cover, the inflatable pig tied to Battersea Power Station broke free causing Heathrow Airport to cancel all their flights due to a giant flying pig over London.
EgGrw TIL: That following several outages on Grindr in July 2012, a British tabloid reported that the crash was due to the volume of usage upon the arrival of Olympians in London for the 2012 Olympics looking for hook-ups. The report caused rumors to circulate regarding the athletes' scandalous behavior.
Z8VeY TIL When we're sick, symptoms like aches and fatigue are an evolutionary trait designed to minimize the spread of infection in groups of people.
7Agb TIL “[FBI] agents sought to persuade Martin Luther King Jr. to kill himself just before he received the Nobel Prize. ‘King, there is one thing left for you to do. You know what it is,’ FBI operatives wrote in their anonymous letter.”