Shape-Remembering Hydrogels Made Out of Synthetic DNA

Hydrogels made in the form of the letters D, N and A collapse into a liquid-like state on their own but return to the original shape when surrounded by water. Credit: Luo Lab

A new metamaterial created by researchers at Cornell University, is soft enough that it can flow like a liquid, but can then it can return to its original shape.

Read more @ SciTechDaily