Robotic Octopus Tentacle Wants to Become Robotic Octopus, Seeks Seven More Tentacles | Popular Science

Robotic Octopus Tentacle Wants to Become Robotic Octopus, Seeks Seven More Tentacles | Popular Science: The tentacle itself is fashioned from a steel cable attached to set of more nylon cables all encased in a silicone skin. It's not totally clear how the tentacle can adjust its tumescence, but we know that using the nylon cables to manipulate the central steel cable, the tentacle can move snakelike around objects and stiffen enough to proved a solid grip.