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TIL that Rube Goldberg never actually built a Rube Goldberg Machine, they were bi-weekly comic strips. It was other people who built his designs and other such machines.

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VMMAk TIL James Watson (DNA co-inventor), had to auction off his Nobel Prize Medal in 2014 due to poverty. A Russian billionaire bought it for $4.1M and returned it back to Watson stating, "a situation in which an outstanding scientist has to sell a medal recognising his achievements is unacceptable."
wVN8 TIL that Twinkies originally had banana filling. When bananas were rationed during WWII, they switched to vanilla, and it was so popular they never looked back.
d8rE TIL the RZA interrupted several rappers chanting “f**k the police” on stage to tell the audience they needed to respect and appreciate them.
x6BWk TIL that the Colosseum in Rome was built with by Emperor Vespasian with the spoils of the looted second Temple
oRlgE TIL that the word "robot" comes from the Czech word "robota," meaning forced labor or drudgery, and was first used in the play "R.U.R." (Rossum's Universal Robots) by Karel Čapek in 1920.