› added 1 year ago

49

TIL that the one-way speed of light is still undefined. All measurements of light speed are done using two-way (mirror) setups.

Read more wikipedia.org

via reddit.com

XEXpk TIL BCG (a bacteria) can be used as treatment for bladder cancer, effective trading one malady for another.
4XWya TIL Bill & Ted had a live action prime time TV series in the early 90s that only lasted a few weeks. It didn't feature any of the original cast, relying on new actors to play all the roles.
78y9p TIL British military scientists tested mustard gas on Indians by sending hundreds of Indian soldiers into gas chambers and exposed them to mustard gas
E1WMP TIL some fruits like pineapple, papaya, and mango can't be used fresh in Jello because they contain enzymes called proteases, which break down collagen proteins and prevent gelatin from setting. Cooking the fruit first inactivates the enzymes.
75KO TIL Charles Darwin was the first person to put wheels on an office chair, creating the modern office chair.