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TIL the "Perhapsatron" was an early Fusion Power device developed in Los Alamos that no one was sure would work, hence calling it "perhaps-a-tron"

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loYDa TIL in North Dakota, all CVS', Walmarts and Walgreens lack pharmacies due to a law that requires all pharmacies be 51 percent owned by a pharmacist
wLX9P A new study published February 15 in the Monthly Notices of the Royal Astronomical Society finds that the Andromeda galaxy is actually around the same size as our own galaxy. Scientists previously thought Andromeda was about two to three times the size of the Milky Way, and that it would one day swallow us up in a galactic smashup billions of years away. But researchers using a technique to measure “the speed required to escape a galaxy” have figured out why Andromeda is smaller than research has suggested, according to the International Centre for Radio Astronomy Research (ICRAR). This could seriously change the outcome of that eventual merger.
e04Ok TIL that Jamaica is the only country in the world whose flag does not contain the colors red, white or blue.
oBkmW TIL of Jang Bogo. A Korean peasant who served in China, becoming an abolitionist, and in the 820s formed a powerful private navy of 10,000 men to attack slavers, leading to the Emperor ending slavery. The Nobility hated him and assassinated him when he tried to marry a princess.
4X0eJ TIL that the world's oldest postcard called "Penny Penates" was intended as a practical joke on post office clerks.