› added 42 minutes ago

TIL Coin reeded edges were originally introduced to prevent coin clipping/ to stop shaving bits off

Read more wikipedia.org

via reddit.com

d89YE TIL The Andromeda Galaxy is the most distant object you can see with your naked eyes, two million light years away. It is visible as a dim, fuzzy star from a dark sky site. With binoculars you can clearly see the elliptical shape of the galaxy
KO4BQ TIL 'Nothing But Gingerbread Left' is a story about a song, designed to damage the Nazi war effort. It was so catchy that anybody who heard it could think of nothing else. It impacted German morale. The story ends with Hitler unable to deliver a speech because of the song in his head.
JY6X1 TIL: The graphics company Nvidia is named after the Latin ‘invidia’, which means 'envy’. This is also the reason why they use the color green, as in “green with envy”.
RnG9 TIL that salamanders are often associated with fire in mythology because they tend to find shelter in rotting logs. When these logs would be used as firewood, the escaping salamanders would “magically” appear from the flames.
wLRp6 TIL Omaha Beach sand is up to 4% microscopic iron fragments from D-Day