Cubes of Certainty: How Mohenjo-daro's Chert Weights Standardized an Ancient Economy
Long before ISO certifications and national metrology labs, Mohenjo-daro's artisans produced small chert cubes that adhered to a shared system of ratios. These humble weights anchored trade from workshop floors to distant ports, and they still offer a lesson in why trustworthy measurement is a form of infrastructure.