by Ed Conway
Ed Conway calls it the ethereal world, the comfortable idea that we now live on information rather than matter. Material World sets out to dismantle that idea, one substance at a time: sand, salt, iron, copper, oil, and lithium, the six materials that have quietly built and rebuilt human civilization. Empires rose and fell on control of them. Economies still do.
Conway's case is not nostalgic. He is not arguing for a simpler past, only for clearer eyes about the present. Without sand, no silicon or glass. Without iron, no steel. Without copper, no power grid. Without salt, no chemicals, no pharmaceuticals, not even clean water. The twenty-first century runs on the same raw materials as every century before it, and the fight to control them, Conway argues, will shape whatever comes next.
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Ed Conway was inspired to write this book by I, Pencil by Leonard Read (1964). Read examined the complexity and cooperation need to make a simple pencil.
Short interview with Ed Conway (July 2023).
Conversation with Ed Conway (June 2024) on his motivations and insights from researching and writing Material World.
Sky News report (October 2025) from Ed Conway on trade war impact on rare earth materials.
60 Minutes: Rare earth elements (March 2015).
60 Minutes: The American rare earths company seeking to topple China's dominance (May 2026).
Ezra Klein Show conversation with Jason Bordoff (March 2024). Bordoff recommended Material World as one of three books to read.