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With Fungi in the Mix, Concrete Can Fill Its Own Cracks | Innovation | Smithsonian
BRILLIANT idea -- add spores of a fungus to concrete. When tiny cracks form, it will allow air and moisture into the interior and the spores can germinate. They will block the passage (mostly by precipitating calcium carbonate crystals) thus sealing the crack. The fungus is not harmful to humans.
invention  materialsscience  materials  via:HackerNews  smithsonian  science 
january 2018 by mcherm
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