How to construct buildings without wasting resources? Researchers have developed a technique for integrating hollow balls into concrete, making it lighter with no loss of stability. Is this a solution to a scarcity of raw materials for construction?
Sand as a building material is essential especially for highly industrialized societies. It's widely used around the world, and there seems to be no shortage. However, demand can easily surpass supply in some regions.
Forget steel and concrete — wood is the latest go-to material for building skyscrapers. The renewable resource has high potential.
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