Ancient Romans made world’s ‘most durable’ concrete

previous discussion of article on the same discovery on phys.org: https://news.ycombinator.com/item?id=14690329

Previous discussion: https://news.ycombinator.com/item?id=14690329

> You know what, I say taking the "trillions of dollars of damage annually" will be better in the long-term than making our seashores prisoners to the sea.

If you value your sanity, stay away from the comments

Wasn't posted already ?