Fresh excavations in Pompeii have turned a buried construction workshop into a working laboratory, revealing how Roman builders actually mixed the concrete that has baffled engineers for generations.

There’s a good reason why Europe is peppered with so many well-preserved Roman ruins. The Romans developed a secret ingredient for their concrete structures which allowed them to get stronger with ...

Editor’s note: This article first appeared in “The Spillway,” a newsletter of the U.S. Department of the Interior, Bureau of Reclamation, Upper Colorado Region, February 1993. The Pantheon in Rome has ...

Ancient Roman concrete is a global fascination. Remarkably, the Pantheon—Rome’s unreinforced concrete dome, dedicated in 128 A.D.—still stands to this day, and aqueducts from the same period continue ...

Scientist looked at bright white chunks of lime found in the concrete used in ancient structures such as the Colosseum. Photo from David Köhler via Unsplash The Colosseum, the Pantheon, and mile after ...

The exact formula for Roman concrete has been lost. This is unfortunate, as many 2,000-year-old Roman concrete piers and breakwaters structures are even stronger today than they were when they were ...

The resilience of Roman concrete has been considered one of those miracles lost from history for decades. Whereas most contemporary buildings would start showing signs of wear and tear within fifty ...