› added 2 years ago

445

TIL Pepperoni is a recent invention, created in 1919 by Italian immigrants in America.

Read more dogtownpizza.com

via reddit.com

wnV7 TIL The Singer Sewing Machine Company built 500 1911 pistols for the US Government in 1939 and they are one of the most collectable firearms of that era.
JYMQ1 TIL that night vision goggles emit a green colored viewfinder because the human eyes are more sensitive to green light as we can see more shades of green than most other colors. The green color is also less strenuous to the eyes which is why older computers had green displays.
6E5yW TIL that pyjamas (pajamas in the US) became fashionable because of World War I zeppelin air raids on Britain. Thrust into the evening due to an air raid, pyjamas were more practical and fashionable than night dresses, and coincided with the "new novelty" of women wearing trousers.
5YRPQ TIL the pressing SHIFT+F3 after selecting the words can make you change between lowercase, UPPERCASE, and Capitalize the selected words. I feel so glad and stupid for not knowing this in my entire life.
KY6VQ TIL researchers from the University of Applied Sciences in Switzerland calculated the value of pi to over 62 trillion digits taking over 108 days to complete the calculation.