› added 1 year ago

35

TIL: that the Disco Ball was invented in 1917, more than 50 years before Disco music

Read more wikipedia.org

via reddit.com

BgMex TIL that the State of North Carolina owns a 317-mile rail corrider between Morehead City, NC and Charlotte, NC. It is operated by Norfolk Southern, and carries over 70 freight and 8 passenger trains per day.
XmxR TIL The US Government has rigorous specs for the pens it buys. assembled by blind people, the pens must be able to write for a mile and in temps 160F to -40, are designed to fit undetected into uniforms, can stand in for a two inch fuse, and be used for an emergency tracheotomy
VBMaZ TIL about A-not-A questions. Particularly in Asian languages, yes/no questions are asked by repeating the verb, for example "you watch not watch movie", and is answered by repeating the verb "watch" or "not watch". This can reduce confusion when answering questions.
N7oWQ TIL a 2012 study swabbed 60 belly buttons and identified a total of 2,368 species of bacteria 1,458 of which were 'New to Science'
bRvp TIL Philadelphia literally burns old money for electricity