Modern Marvels — Episode 12: Concrete

You are watching the episode Concrete Modern Marvels explores how the basic formula of cement, aggregate and water has changed the world. Concrete has enabled us to create everything from roads and runways to buildings and bridges. The program will explore the history as well as the future of this humble material?from the ancient Romans, who pioneered its use in their vast system of aqueducts, to modern engineers developing a bendable concrete more resistant to the destructive power of earthquakes.