Why Add Chlorine to Water

Why Add Chlorine to Water

Why Add Chlorine to Waterの見逃せないポイントを一挙に解説しました。

Back in the 1800s, cities smelled like sewage and death. People drank water that looked like pea soup. Then someone had a brilliant idea: add bleach.

The first chlorination plant opened in 1908 in Jersey City. New Jersey actually saved the world that day. Within a decade, typhoid fever rates plummeted by 90 percent.

So next time you sip from a fountain, thank a chemist. And maybe nod at New Jersey. They earned it.

加藤 愛美
Author

加藤 愛美

マーケティングと消費者心理のトレンドを分析し、現代のヒット商品の背景を読み解きます。