› added 4 years ago

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TIL Twitter did an April Fool's prank by announcing it was changing to a two-tiered service. The free version "Twttr" would not support vowels and only allow tweets with consonants, while "Twitter" would become a $5 per month service that supports any letters.

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via reddit.com

Oo5Xe TIL Pringles had to use supercomputers to engineer their chips with optimal aerodynamic properties so that they wouldn't fly off the conveyor belts when moving at very high speeds.
8NgZ TIL that many Cherokee Indians sided and fought with the Confederacy during the American Civil War, both because many were black slave owners themselves and also because they resented the Union for their treatment during the Trail of Tears.
wBvY TIL a scientist at the University of Florida, USA, grew a “living ‘brain’” – “a network of 25,000 rat brain cells” – that when “connected to an array of 60 electrodes that can interact with a computer” learned to fly a simulated F-22 stealth fighter jet in a range of weather conditions.
ZngY TIL that Chef from South Park had a #1 hit in the U.K with “Chocolate Salty Balls” in 1999
QvML TIL that if you stood at the equator on Mars, the temperature would be 21C (70F) at your feet, where the Sun had warmed the ground, but 0C (32F) at the top of your head.