How Has Roman Concrete Lasted for Millennia? 1,900-Year-Old Latrine Offers Clues

  • Posted 16 hours ago by divbzero
  • 251 points
https://www.smithsonianmag.com/smart-news/how-has-roman-concrete-lasted-for-millennia-a-1900-year-old-latrine-offers-new-clues-about-the-materials-impressive-durability-180989115/

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