There are lots of stories about technologies and knowledge from ancient peoples that have been lost to us through history.

In reality, most of those things that were lost have been 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 thing. This episode is sponsored by Skillshare. Back in the ancient world, if you wanted to learn a skill, you'd have to spend years learning your trade from a master.

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Before you decide to skip this episode, because you think the idea of talking about concrete

is boring, realize this.

For most of you listening to this podcast right now,

there's probably concrete somewhere around you.

If you're listening in a car, there's concrete on the road.

If you're walking, there might be concrete on the sidewalk.

And if you're in a building there is probably concrete in the foundation or maybe the

walls. Concrete might not get a lot of attention, but it's really important stuff.

Modern civilization wouldn't be possible without it.

While the Romans were great engineers and builders, they weren't really great innovators.

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