› added 11 years ago

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TIL Al Capone’s eldest brother, James Capone, changed his name to Richard James Hart and moved to Nebraska to become a Prohibition agent.

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OOAL TIL concrete can be made translucent by incorporating optical fibers in merely 4% of its volume. The material feels and behaves just like concrete, but allows light to pass through.
9MAX TIL that there are voice recordings of US presidents as far back as Benjamin Harrison (in 1889), and you can listen to them online.
WkKAX TIL that Facebook conducted a study where they intentionally manipulated almost 700,000 users’ emotions without their knowledge or permission
LK69 TIL that when Mark Cuban sold his first company for $6M, the first thing he bought was a lifetime American Airlines Ticket for $250,000. After selling his next company for about $6B, he utilized the one-time transfer and gave it to his father.
X0nNj TIL that steam locomotives were still being manufactured for industrial use in 1999