“Smart Mortars: Tiny Particles, Big Strength and Less CO2”

A team of researchers set out to make a new kind of building material that is both stronger and kinder to the planet. They mixed two very small powders – nano‑silica (NS) and nano‑alumina (NA) – with a type of fiber made from plastic, called polypropylene fiber (PPF). The base of the mix was a combi