Outdoor concrete, in particular, has to stand up to freeze-thaw cycles, deicing salts, UV exposure and moisture infiltration. Many of these elements can degrade performance over time—unless ...

That’s why Empa researchers teamed up with de Cavis to develop ultra-thin sound absorbers made from gypsum or cement foams.

This paper introduces a new technique for the quantitative analysis of ceramic thin sections through petrography. The technique is a version of point counting that estimates with considerable ...