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.

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