New engineering approach features camouflage that can be added to soft materials.

Rutgers University engineers have developed a 3D printable hydrogel, or smart gel, that senses light and changes shape as a result. The engineers incorporated a light-sensing nanomaterial in the hydrogel, turning it into an “artificial muscle” that contracts in response to changes in light. The ...This is an NSF Multimedia Gallery item.
Source: NSF Multimedia Gallery - Category: Science Source Type: video