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Ancient Egyptians were among the first to use concrete-like materials in pyramid construction. The Romans advanced the technique with Pozzolanic cement. In 1824, Joseph Aspdin’s Portland cement sparked the modern concrete revolution that still builds our cities today. | Lost in History
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We Finally Know Why Ancient Roman Concrete Outlasts Our Own
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Modern researchers have discovered that ancient Roman concrete behaves very differently from today’s materials, especially when exposed to water and stress. Instead of degrading, it can actually become stronger over time. The secret lies in the unique mineral composition of Roman concrete, which reacts with seawater to form new crystalline structures that naturally seal cracks. This self-healing behavior explains why many Roman structures still stand after nearly 2,000 years. From an environment
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