Tough new hydrogel hybrid doesn’t dry out
Monday, June 27, 2016 - 08:31
in Physics & Chemistry
If you leave a cube of Jell-O on the kitchen counter, eventually its water will evaporate, leaving behind a shrunken, hardened mass — hardly an appetizing confection. The same is true for hydrogels. Made mostly of water, these gelatin-like polymer materials are stretchy and absorbent until they inevitably dry out. Now engineers at MIT have […]