Day: May 20, 2019

Using sunlight to suck salt from seawater

Polymer foam offers potential route to practical solar desalination Freshwater scarcity is an urgent global issue. In some parts of the world, cities are growing increasingly reliant on seawater desalination plants. Ultimately, the goal of desalination is to take huge quantities of salt-laden seawater, and turn it into safe, drinking-quality water. Right now,...