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volcanic ash

A Step Closer to Finding the Recipe for Ancient Rome’s Rock-Solid Super-Concrete

A Step Closer to Finding the Recipe for Ancient Rome’s Rock-Solid Super-Concrete

New studies of ancient concrete could teach us more about the amazing techniques of ancient Roman engineering and the secrets behind the incredible longevity of many of their concrete harbor...
Maya volcanic ash pottery

The mystery of the Maya volcanic ash pottery

A series of Maya pottery items dating back to the Late Classic Period have long been the source of mystery among experts due to the materials from which they were made – large quantities of volcanic...