Concrete is the basis of many modern structures and engineers are always to trying to improve its durability and longevity. In Ecuador, scientists have tested a concrete which heals itself.
CCTV America’s Dan Collyns reports from Ecuador.
Concrete is the basis of many modern structures and engineers are always to trying to improve its durability and longevity. In Ecuador, scientists have tested a concrete which heals itself.
CCTV America’s Dan Collyns reports from Ecuador.