› added 5 years ago

67

TIL: The speed of light isn't there for light, it's there because of causality. If something moved faster causality would break and observers would see effect before cause.

Read more wikipedia.org

via reddit.com

LLVd TIL of Tibor Rubin, a Hungarian Jew who survived Mathausen concentration camp, was deliberately given dangerous assignments by an anti-Semitic sergeant in Korea, and spent 30 months as POW after being captured by the Chinese.
krNg TIL that German used to be the second most widely spoken language in the US, before it was forcibly repressed during WWI. Many local governments, schools and newspapers would operate in German.
rN9b0 TIL that the Tim Tam came after the Penguin
eg5k TIL that five mental disorders (autism, ADHD, bipolar DO, major depression, schizophrenia) have been found to overlap, and all share genetic roots
Wk79X You're at the grocery store, and around the corner walks a familiar face. She looks just like someone you've met, and you try desperately to place her. Did you meet her at that cocktail party two years ago, or is she a long-lost college classmate? You walk up to her and wave, but in return, you're greeted with a blank stare.