› added 4 years ago

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TIL there are only two organs with 64′ pipes (stops) in the world. The lowest note of these stops has a frequency of 8 Hz, which humans can just feel, not hear.

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E7pw TIL in 1770 a man invented a machine that could play a strong game of chess against a human opponent. The “android” that played the game was nicknamed The Turk (as was the machine itself). It wasn’t until 1857 that it was revealed to be a hoax (a chess master was hiding in the machine).
A4ro TIL half of British women cannot identify the vagina on a medical diagram.
l78r1 TIL The Assyrians had basic lens technology. One of their creations, the Nimrud lens, dates to 710 BCE, though its purpose is debated. Lenses could have been used to start fires, as decoration, or astronomy tools (with references to the snakes of saturn being the rings or mythology)
wj11 TIL that until 1953, NYC had a pneumatic tube mail network that spanned 27 miles and connected 23 post offices. At its peak, the system moved 95,000 letters a day.
LQgo0 TIL: Ireland moved a whole motorway for a fairy bush.