› added 4 years ago

69

TIL that green dirt in the nose pads of eyeglasses aren't moss/fungus but due to the oxidation of a certain type of copper used in glasses

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via reddit.com

WkYJL TIL That ice is predicted to change into a metal at pressures above 4.8 TPa (or ~48 million times the Earth’s atmospheric surface pressure). At even more extreme pressures, it could melt into a quantum liquid.
KYQrQ TIL Ogbunigwe was a family of highly effective explosive weapons invented by the former African country of Biafra during the Nigerian Civil War. They were able to kill 4,000 out of 6,000 soldiers in a single attack
w5eW TIL that the first Russian Tsar was known as “Ivan the Awesome,” but due to a mistaken translation is known as “Ivan the Terrible”
wPEM TIL there is a unit called the “Manhatten distance” (or city block distance), describing the distance of two points when you, rather than measuring the direct linear connection, sum up the length of the left/right and the up/down movement, as if you walk along blocks in a big city.
y4jl TIL Anthony Perkins found out he had AIDS when he read about it in a tabloid. While he was in the hospital for a facial palsy, someone tested his blood for HIV and sold the results to the Enquirer.