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TIL why the traffic lights are red yellow green ; the first LED were ever created was red and then green was invented and the mix of two is yellow and the blue LED took 30+ years to get invented and thus creating RGB light and the modern color panels ..,

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dD9GZ TIL I learned that in 2003, a sequel to the 1961 episode of the Twilight Zone "Its a Good Life" was made, starring the originals, Chloris Leachman and Billy Mumy.
l7pgr TIL Lyndon B. Johnson worked 18-20 hour days with no breaks and no leisure activities. He also smoked heavily, knew the ambitions, hopes and tastes of every senator, and used that to his advantage in securing votes. And as a congressman, he was the "most powerful majority leader in American history.
J1P8v TIL Karoly Takacs was a top pistol shooter in the Hungarian Army who missed the 1936 Olympics due to his rank. in 1938 he destroyed his right hand due to an accident, he started shooting left-handed and won Gold in the 1948 & 1952 Olympics.
ANXg TIL: Lemmy was offered a reality show, but he turned it down claiming he just its around by himself playing videogames, and no one would want to watch that.
VK14 TIL that taking into account all the conflict related deaths since 2007, the Arab-Israeli conflict has had less than 55,000 deaths from all sides combined since 1950. Making it one of the longest and least deadliest ongoing conflicts in human history.