Unfortunately a lot of the discussion online regarding Roman concrete veers uncomfortably into a rather, shall we say, "supremacist" angle. For a level discussi

Unfortunately a lot of the discussion online regarding Roman concrete veers uncomfortably into a rather, shall we say, "supremacist" angle. For a level discussion about Roman concrete, I found this to a nice place to start. http://engineeringrome.org/understanding-roman-concrete/#Ancient%20Roman%20Concrete http://engineeringrome.org/understanding-roman-concrete/#Anc...