› added 4 years ago

274

TIL that CIA declassified this document that claims that the world is an energy hologram simulation.

Read more cia.gov

via reddit.com

X0mGP TIL about the Brennan Monorail, a single rail train built in the early 1900's using gyroscopic action to balance itself. Winston Churchill was one the first passengers at its public debut.
exog TIL the world record for fastest, most drastic temperature change is 49 degrees Fahrenheit in two minutes.
8eEaa TIL that in 2017, the Voyager 1 spacecraft successfully fired its backup thrusters for the first time in 37 years
6EolX TIL That when Washington D.C. was first built and the federal government moved there, there was no building for the Supreme Court. They had no permanent meeting place until 1810, when they moved into the north wing (Senate) of the Capitol and stayed there until 1935 when they had their own building.
wLll6 TIL the phrase "Houston, we have a problem." is actually a misquote. After the explosion on Apollo 13, Jack Swigert instead reported to ground control, "Uh, Houston, we've had a problem here."