(Nanowerk News) New options for making finely structured soft, flexible and expandable materials called hydrogels have been developed by researchers at Tokyo University of Agriculture and Technology ...

A translucent hydrogel film can conceal and reveal Leonardo da Vinci’s Mona Lisa, triggered by subtle changes in temperature, moisture, or mechanical strain. The illusion is the work of engineers at ...

Developed by scientists from The University of Texas at Austin, the prototype device consists of a roughly hockey-puck-shaped housing, inside of which is a hydrogel film supported by a membrane full ...

At first glance, it looks like a plain, slightly glossy sheet. Then it goes through a quick bath, the temperature shifts, and ...