Why Does Ancient Roman Concrete Outlast Our Own?
BrainStuff - En podkast av iHeartPodcasts

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Modern concrete crumbles when exposed to the elements, but ancient Roman concrete only gets stronger over time. Learn how this is possible -- and why we're not using their recipe -- in this episode of BrainStuff. Learn more about your ad-choices at https://www.iheartpodcastnetwork.com