Archeology
Mysterious roads covered with molten iron 2,000 years ago
How the Romans made iron so hot that it could be poured gently into the broken road sections is still a mystery. After 2,000 years, some sections remain intact.
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How the Romans made iron so hot that it could be poured gently into the broken road sections is still a mystery. After 2,000 years, some sections remain intact.
Fixing cracks in the highway is a costly and time-consuming task. As a result, scientists have developed a system that automatically patches cracks in the road, helping…