› added 3 months ago

11

TIL that pyrocumulus clouds are formed by intense heat from wildfires or volcanic eruptions. These clouds, also known as fire clouds, develop when the heat from the fire causes air to rise rapidly, condensing moisture into towering clouds.

Read more wikipedia.org

via reddit.com

5Y9bR TIL That “Genuine” leather does not mean “real” leather and is instead a grade of quality, it also happens to be the lowest quality leather available.
wWPo TIL the Warehouse chain Costco previously had its headquarters in Kirkland (now in Issaquah); the city is the namesake of its “Kirkland Signature” store brand.
R7wDa TIL that the first known case of the Spanish Flu was reported at a military base in Kansas on March 11, 1918
y4e TIL Fedex keeps empty planes in the sky to be able to respond to changing freight demand quickly
wo5E TIL There is a time capsule buried in 1968 in Amarillo Texas containing the passbook to a bank account with a $10 deposit, expected to be worth $1 quadrillion when it is opened in 2968.