The Infrastructure Metal Hierarchy in the Age of AI and Robotics (Notes) Core Perspective • The essence of the AI and robotics era is not intelligence itself , but physical infrastructure . • What truly matters are the metals that support electricity, heat, magnetism, and structure . • These metals should not be viewed as short-term investment themes, but as a list of essential materials required for civilization to function . Metal Hierarchy (by Strategic Importance) [S Rank] Copper Role: The circulatory system of electricity and heat • Power grids • Data centers • AI servers • Robot wiring • EV motors Key Characteristics • Almost impossible to substitute • Very large market size; price movements are slow • Prices move first, physical premiums appear later • Shortages tend to show up not as price spikes, but as longer delivery times and worsening contract terms → The metal of civilization itself [A Rank] Nickel Role: Strength, heat resis...