TIL the Red Pyramid looks remarkably like the Haber-Bosch ammonia production process. And the word "Amun" is the etymological root of the word Ammonia.

From "Brawndo Plasma Thermos Makes What Plants Crave [video]" https://news.ycombinator.com/item?id=48793495 about hot plasma treatment turning water into fertilizer;

> [Magnesium-doped geotextile water bags yield Struvite fertilizer (at lower cost but with Pb contamination risk)]