We often focus on companies like Tesla or ARM, but we rarely think about the materials that make their technology possible. Ed Conway is the Economics Editor for Sky News and author of Material World: A Substantial Story of Our Past and Future. Where does the battery in your phone or an electric vehicle come from? Why are materials like lithium and copper so critical to achieving net-zero? These aren't just commodities; they are the fundamental building blocks of the technologies that shape our world and our future. 

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