Surface sealant uses nanotech to make concrete last longer

Although we've been hearing about various stronger forms of concrete, one of the keys to making concrete last longer is to keep water from seeping into it in the first place. A new surface sealant could help, as it reportedly makes existing concrete 75 percent more water-repellent.Continue ReadingCategory: Materials, ScienceTags: Washington State University, Concrete, Nanotechnology, Road, New Atlas Audio