Roman concrete was remarkable because it could last for thousands of years, even underwater. Its mixture of lime, volcanic ash, and water allowed it to develop cracks that didn’t weaken it. When water entered a crack, it reacted with the lime to form calcium carbonate, which gradually filled the crack and bonded the concrete back together, essentially giving it a natural self-healing ability.
NSW Police Commissioner Mal Lanyon has extended the protest ban for another 14 days but with a significantly reduced scope.
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Roman concrete was remarkable because it could last for thousands of years, even underwater. Its mixture of lime, volcanic ash, and water allowed it to develop cracks that didn’t weaken it. When water entered a crack, it reacted with the lime to form calcium carbonate, which gradually filled the crack and bonded the concrete back together, essentially giving it a natural self-healing ability.
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🚨 THEY WANT YOU TO BELIEVE THIS IS JUST “NATURAL WEATHER” - BUT THIS ICE STORM IS THREE DISASTERS STACKED ON TOP OF EACH OTHER - “A DEADLY DISASTER FOR DAYS” This isn’t one storm. It’s ICE + SNOW + ARCTIC COLD hitting at the same time. ICE: An inch or more of solid ice - a
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