Material World • 918 implied HN points • 14 Jan 25
- People often keep mining a resource even when substitutes are available. This happens because once we start mining something, we rarely stop.
- Caliche, a valuable rock in the Atacama desert, is still being mined heavily for its nitrogen, despite the invention of synthetic alternatives that could replace it.
- Interestingly, mining caliche can have less environmental impact than the modern methods used to create fertilizers, showing that old mining practices haven't completely disappeared.