Cotton-polymer material absorbs or repels moisture depending how hot it is

Aside from the sweltering daytime heat and the freezing night-time temperatures, the biggest problem for folks living in desert regions is finding sources of water. Researchers from Eindhoven University of Technology and Hong Kong Polytechnic have leveraged those temperature swings to help solve the arid region hydration conundrum with a cotton material that absorbs water straight from the surrounding air. Of course, it's not your run-of-the-mill fabric woven from fluffy white stuff. This cloth ...