How does it work? As the concrete fractures, the tiny sodium silicate capsules break apart, releasing their contents. The catalyst then mixes with calcium hydroxide – a standard component of ...

What other secrets have made it so that cracks and fractures haven’t shattered this ancient concrete into fine dust? For answers to this, the researchers of this recent study turned to a small ...

The new concrete, which is full of hollowed-out shapes ... bone architecture…to improve energy absorption (toughness), ...