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Future robot overlords will have camouflaging skin for when they need to sneak up on us to drag us back to the lithium mines

“There are many reasons to admire the octopus, including its ability to instantly pop up tiny protrusions of various shapes from its skin to match the texture of its background. This technique, combined with other camouflage tricks such as changing its color, allow an octopus to blend into to almost anything—even boats. Those protrusions, called dermal papillae, were the bio-inspiration behind a new elastic material that can morph into various shapes, and could provide a shape-shifting surface for soft robots,” reports IEEE Spectrum.

“Researchers from Cornell University in New York and the Marine Biological Laboratory in Massachusetts decided to build a material based on muscle groups that control papillae along the surface of an octopus tentacle. The material consists of a fiber mesh that simulates an octopus’s erector muscles, which contract to squeeze a protrusion into shape. They embedded that mesh in concentric rings within a rubber skin, which mimics an octopus’s connective tissue.”

“Using a compressed air cylinder, they inflated the rubber skin much like one might blow up a balloon. The fiber mesh held parts of the rubber in place while others expanded out. The team found that, with the right number and spacing of rings, they could form the skin into shapes that resembled a rock and an aloe plant.”

“Robert Shepherd, a co-author and assistant professor at Cornell University, says the material could be reformed hundreds of thousands of times without degrading. He and his collaborators recently described their research, funded by the U.S. Army and Air Force, in the journal Science.”

With this kind of technology, a pursuit robot who was chasing escapees from the mines could be programmed to imitate items normally seen in urban environments, like a garbage can or concrete barrier. If an escapee tries to hide in a wooded area, the pursuit robot could position itself next to a tree then assume a visual texture similar to bark, allowing it to disguise itself and then snatch the  unwary escapee as he or she wanders by.

Created by potrace 1.16, written by Peter Selinger 2001-2019

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