Drexel researchers are recycling coal ash, a waste product from coal power plants, to make a porous, lightweight aggregate that can be used as a concrete additive to aid the hardening process. Coal ...

Excavations of an ancient construction site in Pompeii have revealed the process of how Romans mixed their self-healing ...

Archaeologists in Pompeii discovered a workshop that combined two elements that allowed the concrete to “heal” itself.

Coal ash is the less notorious byproduct of coal-fired power plants. It's the residual solid waste that comes from burning coal. While it doesn't have the same deleterious reputation of its airborne ...

Coal ash is the less notorious byproduct of coal-fired power plants. It’s the residual solid waste that comes from burning coal. While it doesn’t have the same deleterious reputation of its airborne ...