Concrete is an incredibly useful and versatile building material on which not only today’s societies, but also the ancient Roman Empire was built. To this day Roman concrete structures can be ...

Concrete is an incredibly useful and versatile building material on which not only today’s societies, but also the ancient Roman Empire was built. To this day Roman concrete structures can be ...

For example, as the AP reported ... suggested that the lime used in some Roman buildings would start a reaction with water that seeped into the concrete, and that could effectively fill in ...