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TIL that the "holograms" used to bring Tupac and Michael Jackson back to life on stage were actually a 160-year-old Victorian theater trick called "Pepper’s Ghost." The same principle is used in modern teleprompters-reflecting an image off a hidden screen onto a pane of glass

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R7DJ6 TIL that only two employees are privy to the complete Coca-Cola formula at any given time and they are not permitted to travel together. When one dies, the other must choose a successor within the company.
7LM TIL much of what we know about pirates comes from a single primary source with questionable reliability.
Nbe1 TIL The last descendant of Abraham Lincoln died in 1985
GYv94 TIL about the Kindertransport, an organized rescue program for Jewish children that was supported by the British government in the months leading up to World War II. Nearly 10,000 Jewish children were taken in, many of whom were the only members of their families to survive the Holocaust.
1axm8 TIL that the hit Paul Anka song My Way recorded by Frank Sinatra '69 and later Elvis Presley '73 was copied note for note from a French song Comme d'habitude(As Usual) by Claude François '67 with the lyrics completely changed from the original love song.