› added 1 year ago

104

TIL about the CSS Hunley, a confederate submarine that sank three times, killing her entire crew each time.

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wLrro TIL Danny Tamberelli was the voice of Arnold on the Magic Schoolbus.
jNJav TIL that, between 1907 and 1922, American-born women who married non-citizens automatically lost American citizenship. In 1917, hundreds of American women who had married German men were forced to register with the government as 'enemy aliens'.
OovNg TIL the integral of the secant formula, important in cartography, has been found accidentally when a mathematician was running through numerical approximations known at the time and recognized they matched ln(|tan(phi/2 + pi/4)|). It took 28 more years for someone find a formal proof
8aAbK TIL: You were more likely to get a job if you had smallpox scars in the 18th century. The scars proved that you already had smallpox and could not pass it on to your employers.
VKmB TIL that when Apple began designating employee numbers, Steve Jobs was offended that Wozniak received #1 while he got #2. He believed he should be second to no one. His solution? He took #0 instead.