How stable are the buildings where we live and work? Our homes rest on concrete foundations about a foot thick and twelve feet deep. The foundations of skyscrapers can be up to 20 feet thick and 280 feet deep. That’s a lot of concrete. And a new genetically-engineered soil is about to double its strength and durability.
Concrete foundations exist partly to protect against land subsidence, which occurs when groundwater is withdrawn through drainage, underground mining, thawing permafrost, or other causes.... read more