Artificial material mimics cuttlefish skin by glowing when stretched.

Cephalopods, including octopuses and cuttlefish, are amazing animals. Not only are they enormously intelligent, but they can change their appearance at will, as highlighted by the above clip of a cuttlefish hypnotizing its prey with a fantastic display of color- changing skin. This ability inspired scientists from Cornell University to develop a material that glows when stretched, allowing for movement-based color displays. It’s not y

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