There are lots of stories about lost technologies and techniques of the ancients which have been lost to us through history. In reality, most things were figured out independently by modern people, and we have better modern versions of almost everything the ancients had, including things like Damascus Steel. That is, except for one thing. Learn more about Roman Concrete, the stuff which has lasted over 2,000 years, on this episode of Everything Everywhere Daily.
Learn more about your ad choices. Visit megaphone.fm/adchoices