this post was submitted on 06 Mar 2025
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Tbf, I sincerely hope a lot of you understand the basic concept of a gearbox. Depending on how far back you go, a water wheel might be a pretty massive leap forward, and it might at least inspire other, smarter people of the time to work on theories of energy, and eventually electricity.
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/