Researchers have found that concrete can be made 30% stronger by replacing a percentage of sand with spent coffee grounds, an organic waste product produced in huge amounts that usually ends up in ...
Our built world is full of dirty secrets. So many of the things we imagine to have little impact on our environment turn out to be remarkably unsustainable. Concrete, bricks, asphalt—we encounter ...
Concrete is everywhere: from roads, to skyscrapers, to the foundations of the building you may be reading this in. It is the ...
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