https://en.wikipedia.org/wiki/John_L._Leal Chlorinated water is a pretty recent ...

		pixl97 on March 18, 2024 \| parent \| context \| favorite \| on: Ask HN: Do you also marvel at the complexity of ev... https://en.wikipedia.org/wiki/John_L._Leal Chlorinated water is a pretty recent invention at about 115 years now. Most interestingly it was first done without permission and the only reason Leal wasn't jailed for it was the immediate positive impact on health.

Wow, that's absolutely fascinating. Thanks for sharing that history