› added 5 years ago

148

TIL Stars don't twinkle in outer space. The refraction of light from earth's atmosphere is why we see them twinkle.

Read more earthsky.org

via reddit.com

OomQ4 TIL: Public swimming pools do not add a urine-detection chemical to the water. No chemical exists that will change the water color around the offending swimmer. This is a widespread myth
0dADA TIL the average duration of power outages doubled from 2015 to 2021, in the U.S.. On average, people experienced 7 hours of power interruptions in 2021
opro TIL some shots of the parade scene in Ferris Bueller’s Day Off were secretly filmed during an actual parade. The production’s float was inserted into the parade “unbeknownst to anybody, all the people on the reviewing stand. Nobody knew what it was, including the governor”
OonLX TIL Mel Ignatow was acquitted of the murder of his girlfriend... selling his house to fund his defense. However, photos of him actually comitting the murder were found inside the house, but due to double-jeapordy laws, he couldn't be tried again
R7WZ7 TIL The first known vending machine was invented by the Greek engineer and mathematician Hero of Alexandria around 215 BC. These first vending machines were located in Egyptian temples and dispensed holy water in exchange for coins.