Why was the concrete made by the Romans more than 2,000 years ago stronger than the one used today?
Roman’s were lucky. Roman concrete is amazingly strong because of its chemistry. Modern-day concrete is typically made of ‘Portland cement’ that is then mixed with water and aggregate…
How did the Roman aqueducts not have dirty, bug-infested water in them?
None of the other answers I’ve read actually explains how Roman aqueducts delivered relatively clear water. Yes, it was not necessarily germ free, but the addition of wine,…