Honestly, you don’t even have to go that far. Just bringing back germ theory would massively advance the health and safety of ancient peoples. You might get a little bit of pushback trying to explain it to them though.
But getting the precision shape to grind in can be hard. There was something about dripping liquid glass just right, but that may have been professional espionage to throw people off.
If you can research how to make the original microscopes, bringing an understanding of virology would be hugely impactful.
Honestly, you don’t even have to go that far. Just bringing back germ theory would massively advance the health and safety of ancient peoples. You might get a little bit of pushback trying to explain it to them though.
Germ theory was around for a long time before it was adopted because no one believed it.
Hello, it’s me from 2025. When are you from where germ theory is finally believed and acted upon by the majority?
People don’t poop in their drinking water, it’s an improvement.
Not in the 2025 I’m from! https://www.cbsnews.com/news/supreme-court-epa-san-francisco-sewage-discharge/
I’m pretty sure that’s just precision grinding glass and setting it at the right distances.
But getting the precision shape to grind in can be hard. There was something about dripping liquid glass just right, but that may have been professional espionage to throw people off.