How to make food/water testing cheaper/more scalable? [eg for purity/toxin testing]
Infrared spectroscopy, HPLC, Surface-enhanced Raman spectroscopy, and reverse ecology are examples. Figuring out the purity of one's foods/drugs (which is not done enough) can be a Pareto-efficient improvement on the attention economy of "pivotal actors", and can be done by environmental health specialists (whose skills are orthogonal to "pivotal actors"/those...