(CNN) — The majestic structures of ancient Rome have survived for millennia — a testament to the ingenuity of Roman engineers, who perfected the use of concrete. But how did their construction ...

MIT scientists examined concrete samples from the archaeological site of Privernum, Italy (left) and mapped out the ingredients within (right). The red section is a calcium-rich lime clast. Courtesy ...

Forbes contributors publish independent expert analyses and insights. I write about physics, science, academia, and pop culture. Physicists have a reputation for being exceptionally arrogant even ...

The Romans were master builders. Many of their works, from the Pantheon (pictured above) and the Colosseum in Rome itself, to the Pont du Gard in southern Gaul and the equally impressive aqueduct of ...

Concrete has been integral to buildings and architecture since the Romans used it to construct monuments like the Pantheon and the Coliseum. The Romans also used the material to build marine ...

The Segovia aqueduct was a statement of intent from Rome to its conquered subjects in Hispania. After two centuries of conflict, Augustus finally succeeded in annexing the Iberian Peninsula to the ...

Ancient Roman roads were far more complex than their visible stone surfaces suggest. Engineers meticulously layered materials ...