› added 5 years ago

75

TIL: Compressed air is used as a battery substitute by some utility companies.

Read more wikipedia.org

via reddit.com

J1bXm TIL In the middle ages it was customary to fly the opposing lords banner when surrendering, to signify a changing of allegiance. The many French victories during this period led to the Capetian dynasty’s white banner becoming associated with surrender in general as the white flag.
N7g5J TIL that in 2016 Michael Jordan donated $1 million each to an organization building trust between law enforcement and local community and to a civil rights legal defense fund.
k491 TIL the state of Texas has over 450 ghost towns
ep6VL TIL At any given time there are approximately 2,000 thunderstorms taking place globally.
jp7X TIL there’s an island off the coast of Australia where trained Maremma sheepdogs protect a colony of penguins from wild foxes; the first dog used kept the colony from being wiped out.