Romans Sure Knew How to Cook Concrete
Unsurprisingly, we still have a lot to learn from ancient cultures, even when it comes to technology. Sure, it can be argued that the Romans half-invented this super-strong type of cement, half-stumbled upon it by chance. From what we know, they were far behind us when it comes to understanding complex chemical reactions, but as the saying goes, “Render unto Caesar the things that are Caesar’s”.