Multimaterial Printing News Today

New 3D-Printable Hydrogel Changes Shape, Color in Response to Light Written by AZoMJan 6 2021 Engineers from Rutgers University took cues from the color-changing skin of squids, octopuses and cuttlefish to develop a 3D-printed smart gel that alters its shape upon exposure to light, turns into an artificial muscle, and may pave the way for new military camouflage, flexible displays and soft robotics. This octopus has color-changing cells, called chromatophores, in its skin, a phenomenon that ...