Inspired by the color-changing skin of cuttlefish, octopuses and squids, engineers have created a 3D-printed smart gel that changes shape when exposed to light, becomes “artificial muscle” and may lead to new military camouflage, soft robotics and flexible displays.
https://ift.tt/3rXqIf1 via /r/science https://ift.tt/3nfWDDN
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