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16

TIL all of the 500 fastest supercomputers in the world run on Linux

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69m68 TIL That in 2015 a Supernova was identified that was 570 BILLION times brighter than the sun and 20 times brighter than the whole Milky Way.
eprAb TIL that Dr. Mary Edwards Walker, an abolitionist, suffragist, surgeon, and the only female recipient of the Medal of Honor, was arrested for wearing men's clothes. She famously said: "I don’t wear men’s clothes, I wear my own clothes."
yNjw TIL that Microsoft was forced to invest $150 million in Apple stock in 1997. This money revived Apple and allowed it to survive.
Ooe64 TIL: Since 1945, all British tanks have been equipped with boiling vessels allowing them to make tea.
G7J5 TIL the colors of fire hydrants display the amount of water they provide