› added 9 years ago

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TIL that the grippy texture on metal tools is called Knurling

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VM5B4 TIL that NASA lost the Mars Climate Orbiter spacecraft due to the lack of conversion of some data to metric system.
Bg8mL TIL: You can stop a nose bleed quicker than any other method (and without having to stuff tissues in your nose) by placing a small piece of wet paper on your upper gums above your upper front teeth.
neeEP TIL the last native speaker of Scottish Norse died in 1850, and fragments survived until at least the 1890s
LkJ7p TIL that one of the most effective weapons in WW2 was the proximity fuzed shell: the allies were so terrified of the enemy getting hold of samples they were initially only to be used over water by the Navy - there was an embargo on their use over land until 1944.
PYJgG TIL American Sign Language and British Sign Language are not mutually intelligible. While English speakers can understand each other across the Anglosphere, deaf people from different English speaking countries are unable to understand each other.