BBC3 年
Using plastic waste to help solve sand shortages
Sand is often extracted from rivers for use in construction Does the world have a shortage of sand? At first, that might sound like a peculiar question. After all, sand covers vast expanses of ...
Mashable6 年
These bricks are made out of desert sand, but are as strong as concrete
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Mashable3 年
Using 3D printed sand, these structures become stronger than concrete
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International Monetary Fund2 年
The Insatiable Demand for Sand
That strain is not from increasing demand for gold, diamonds, or copper, but for sand, the primary material for construction and hence for economic development. Concrete and glass are made mostly of ...