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I've read that ancient Roman concrete was manufactured in a way that is seemingly lost to time. It's also practically impervious to the elements. http://www.r

I've read that ancient Roman concrete was manufactured in a way that is seemingly lost to time. It's also practically impervious to the elements. http://www.romanconcrete.com/docs/spillway/spillway.htm http://www.romanconcrete.com/docs/spillway/spillway.htm If we want to find a way to build beneath the sea that's a good place to start.

mintplant 11y ago
According to this article, a 2013 study successfully reverse-engineered the recipe for Roman concrete: http://www.ancient-origins.net/news-history-archaeology/researchers-discover-secret-recipe-roman-concrete-020141 http://www.ancient-origins.net/news-history-archaeology/rese...
- ChuckMcM 11y ago
  That is an awesome link. Thanks for that.