As long as they don't skip the rebar. www.youtube.com/watch?v=nRLq...
3D-Printed Houses Are Already FailingYouTube video by Megaprojectswww.youtube.com
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And lime clasts. www.smithsonianmag.com/smart-news/h...
How Has Roman Concrete Lasted for Millennia? A 1,900-Year-Old Latrine Offers New Clues About the Material's Impressive DurabilityA chemical process called carbonation, which helps seal cracks, could help explain why many ancient Roman structures are still standing today. Researchers hope that the insights will lead to better mo...www.smithsonianmag.com