› added 3 years ago

89

TIL Indian intelligence first confirmed Pakistani covert nuclear weapons program by collecting hair samples from the floors of local barber shops in Kahuta.

Read more wikipedia.org

via reddit.com

LX4r TIL That the North Pole does not actually have a time or time zone.
X01KE TIL that an acronym that cannot be pronounced as a word is not an acronym, it's an initialism. NASA and FIFA are acronyms but USA and FBI are initialisms!
QN77e TIL In 2015, a Chinese man took part in illegal poaching of a bear and posted the kill on social media, which led to the arrest of him and several others
Q4da TIL William Calcraft, a prolific British hangman of the 19th Century, was so incompetent that he often had to hang from the legs of the executed or climb on their shoulders to complete the execution
0wWRj TIL The coefficient of thermal expansion of steel is similar to that of concrete, eliminating large internal stresses due to differences in thermal expansion or contraction. This makes steel the ideal material to reinforce concrete in the world's largest structures.