› added 9 years ago

87

TIL Guy Fawkes is the reason guys are called “guys”

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PYB4J TIL in 1924, the US had "Radio Silence Day" where radio broadcasts would be kept quiet for 5 minutes every hour in order to listen for radio signals from space. They didn't hear anything.
Opl6 TIL that the reason why development for the male contraceptive RISUG/VaselGel is so slow is because it will directly compete with the female birth-control pills and big pharma does not want that to happen.
8aObV TIL that scallops have jet propulsion
aMKb TIL Ejectees of a Martin Baker Ejection seat join the “Ejection Tie Club,” and receive a pin and tie.
OMDR TIL “Magic eraser” cleaning products do not use any chemicals to clean hard-to-remove marks, but instead act as extremely fine sandpaper.