Chile was exporting saltpeter to Europe by steamship to fertilize local fields before the Haber process was invented. Nowadays it's a little bit like, "Well, th

Chile was exporting saltpeter to Europe by steamship to fertilize local fields before the Haber process was invented. Nowadays it's a little bit like, "Well, the entire world is connected by kinetic prisms and half the food is almost-literally generated by nuclear fission." If you can figure out the math, you're a better engineer than me. Puts on goggles and aviator's cap to resume tilting at the Organic Lychee windmill