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TIL in the late 1600s, a painter in Florence supposedly invented “invisible paint” and offered to repaint the city for free. The city council declined, fearing “total invisibility” would cause mass panic.

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P1YNn Today I learned that there is an art/practice of reading code when you haven't been given a cypher called cryptanalysis. Cryptanalysis is decryption and cryptography is encryption
VB014 TIL after the massive success of his #1 hit "Somebody That I Used to Know", Gotye stopped recording solo music, went back to his old band and hasn't released a song under the Gotye name ever since
8eYJV TIL in 1943 the greek destroyer Adrias was struck by a german mine and lost its bow. The ship that came to its rescue was also struck, so Adrias saved its would be rescuers and after some minor repairs, Cmdr Ioannis Toumbas succesfully sailed through enemy waters to reach the port of Alexandria
xPR0 TIL Experian, the credit reporting agency, sells your personal information to other companies.
nWWK9 TiL that upon finishing the sci fi film "Devil Girls From Mars", a then 12 year old Octavia Butler concluded that she could write a better story. Butler went on to win multiple Hugo and Nebula awards and became the first sci-fi writer to receive a MacArthur Fellowship.