› added 6 years ago

76

TIL: The observable universe is a spherical region of the Universe comprising all matter that can be observed from Earth at the present time, because electromagnetic radiation from these objects have had time to reach Earth since the Big Bang. Everywhere has its own observable universe

Read more wikipedia.org

via reddit.com

dOpB TIL that Stephen Fry was expelled from two schools and was imprisoned for three months for credit-card fraud. After studying for the entrance test, however, Fry was admitted to Cambridge University, where he met Emma Thompson and his future collaborator Hugh Laurie.
N7Qp6 TIL In St. Petersburg, Russia, The hermitage Cats have been protecting the Hermitage Museum’s priceless art from rodents since the Museum opened its doors in 1764. The museum has a press secretary dedicated to the cats.
e0vlk TIL time zones were largely created due to the rapid expansion of railroads needing a more accurate way to plan train schedules. Before, each town utilized their own local time based on the sun's position.
l7lkB TIL that by 400 BC, Persians had developed Yakhchal, Ancient Refrigerators capable of storing solid ice in the summer in the desert
XExAQ TIL Alexander the Great once suffered an arrow wound that pierced his lung. He fought on as long as he could, but eventually collapsed on his shield. His army was able to protect him long enough to win the battle and to escape. They cut the arrow out of his chest and amazingly he fully recovered.