DNA hydrogel flows like liquid but remembers its original shape
Wednesday, December 5, 2012 - 12:31
in Physics & Chemistry
A new material is so soft it can flow like a liquid and then, strangely, return to its original shape. It is a hydrogel, a mesh of organic molecules with many small empty spaces that can absorb water like a sponge, and qualifies as a "metamaterial" with properties not found in nature.