› added 7 years ago

263

TIL that x-ray analysis is commonly applied to ancient paintings in order to reveal corrections, underdrawings and even figures the artist wanted to hide, such as a hidden man in Picassos "Blue Room".

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J15Ym TIL that modern rocket engine nozzle and centrifugal cream separator were created as side projects during development of impulse steam turbine
nvdW TIL A musician needs to get 130,745 plays per day on Spotify in order to earn minimum wage.
jxAR TIL airlines refuse to adopt backwards facing seats despite proven safety advantages
gEyb TIL Lord Byron was not allowed to keep his pet dog while he was at Trinity College. He kept a pet bear instead as there were no rules against having one.
M7EDV TIL in 1953 Nazi rocket-physicist Wernher von Braun wrote a sci-fi book called Project Mars. In it, the Mars colony has a leader known as 'the Elon.'