Science
The soil in your garden could 3D print your next home – BBC Focus Magazine
When mixed with the right amount of sodium silicate, any type of soil can be used to 3D print a building.
Researchers have developed a way to take soil from the ground and turn it into ink for a 3D printer, which can then be used to build homes and large structures.
By extracting clay from soil and mixing it with sodium silicate, researchers from Texas and San Fransisco were able to produce a material that could flow easily through the 3D printer, but harden quickly to form a strong, load-bearing structure.
The composition of a soil sample can vary greatly, containing any mixture of clay, rock and…
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