Glass: Lenses, Science, and the Internet

 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.

See omnystudio.com/listener for privacy information.