The coronavirus disease 2019 (COVID-19) pandemic has led to a bumper crop of home-made and commercially manufactured face masks. Almost daily, new ‘improved’ designs appear in the market, or online.

Voids, or empty spaces, exist within matter at all scales, from the astronomical to the microscopic. In a new study, researchers used high-powered microscopy and mathematical theory to unveil ...

A team of researchers from The University of Texas at Austin and Penn State has developed a method of enhancing water filtration using nanoscale membranes. The innovation could provide a strategy for ...