› added 9 years ago

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TIL that the windshield of the SR-71 Blackbird can reach a temperature of over 600°F during flights at mach 3. It had to be made of quartz and was ultrasonically fused to the titanium hull in order to handle the stress.

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xW8g TIL men’s and women’s clothes button on opposite sides due to historical tradition where men needed quick access to their weapon using their right hand, while wealthy women were dressed by servants with the button configuration being flipped for easier access by the servants
8am9a TIL Historically, Native American communities conducted a salmon ceremony where they showed respect to the first caught salmon by sharing it with everyone in the community, cleaning its skeleton and returning it to the river where it could return to its kin and tell of the respect it received.
4XgvJ TIL that Anonymous sent thousands of all-black faxes to the Church of Scientology to deplete all of their ink cartridges
KeD4 TIL that during the embryo development 3 sets of kidneys develop, but only one set remains to become the permanent adult kidneys.
Rbj8 TIL Matt Groening can make a fortune licensing out the Duff beer brand, but doesn’t to prevent kids from drinking.