We Finally Know How Ancient Roman Concrete Was Able to Last Thousands of Years

floofloof@lemmy.ca to Technology@lemmy.world – 170 points –
We Finally Know How Ancient Roman Concrete Was Able to Last Thousands of Years
sciencealert.com
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This plus extreme selection bias. There's plenty of concrete that did not last for thousands of years.

"They don't make things like they used to. See that tube radio over there? It's 75 years old and still working! A rare find!"

But in their defense, not a single thing on Earth made in the last decade has lasted 75 years. Check mate.