New hydrogel that doesn't dry out

Engineers at MIT have found a way to prevent hydrogels from dehydrating, with a method that binds hydrogels to elastomers such as rubber and silicone. (Learn more: http://news.mit.edu/2016/tough-hydrog...) Video: Melanie Gonick/MIT Additional demo footage: Hyunwoo Yuk Skin layers animation: Pond5.com