What’s Your Problem? The Ordinary Stuff Behind Technological Breakthroughs

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Ed Conway is an economics journalist and author of the book “Material World: The Six Raw Materials that Shape Modern Civilization.”

On today’s show, Ed reveals how three of those often-overlooked materials—iron, copper, and sand—shaped human advancement from the Renaissance to the Industrial Revolution to the digital age. And he talks about what they mean for our future.

The Host

Jacob Goldstein

Jacob Goldstein spent more than a decade as co-host of the Planet Money podcast. He's also the author of the book Money: The True Story of a Made-Up Thing, which the New…