These bricks are made out of desert sand, but are as strong as concrete

After air and water, usable sand is the natural resource that we use the most of. It’s what entire cities are made of and it’s running out. 

A group of students in London have found a way to bind desert sand – which is abundant but useless in construction because it’s too fine and round – into a new biodegradable composite material, called “Finite,” which is as strong as concrete. Read more…

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