Researchers at Singapore’s NTU making recycled 3D printable concrete that could save the planet

Researchers at Singapore's NTU making recycled 3D printable concrete that could save the planet

Researchers from Nanyang Technological University (NTU) in Singapore have used fly ash, a residue from burnt coal, to create a 3D printable geopolymer mortar. The mixture also contains steel slag and various secret chemicals. Burning coal might not be the most planet-friendly way of generating power and heat, but many places around the world are still completely reliant on the carbonized plant matter. So why not try to take advantage of burning coal in every way possible? NTU researchers are trying to do just that—by turning a form of coal residue called fly ash into a 3D printable building […]

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