› added 4 years ago

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TIL Radioactive Spark Plugs were sold in the 1940s under the theory the radiation made the engine run better.

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XDpr TIL of the “Zeigarnik effect,” a psychological process whereby students who suspend their study, during which they do unrelated activities (such as studying unrelated subjects or playing games), will remember material better than students who complete study sessions without a break
nrk7 TIL - IBMs Watson had part of it’s memory Cleared because it learned to swear!
QNg7k TIL the B-2/Stealth Bomber costs $135,000 for every hour of flight time
QJNka TIL that a man built and planted an extremely complex bomb in a Nevada Casino - the FBI could not disarm it, and the controlled detonation blew up most of the Casino.
x60wk TIL that despite spending so much time around it, Sea Mammals cannot see the colour blue.