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historyarch · 2246 days ago · link · · parent · post: Secret of how Roman concrete survived tidal battering for 2,000 years revealed
Fascinating. Those Romans were pretty impressive. I am always amazed with the ways the ancients made technological advancements. For example, who figured out that mixing tin and copper would create a much stronger metal, bronze? The innovation appears independently in the Middle East, China and the Americas as well so there was more than one inventor. Even the Roman creators of this concrete probably did not realize it would remain intact for so long.