Venus flytrap-inspired 'robot hand' material senses objects and grasps them under light

Inspired by the Venus flytrap, which closes its leaves to trap prey, KAIST researchers combined the roles of a sensing "skin" and grasping "muscle" in a single soft material that reportedly senses and grasps objects under light. When an electrically charged object comes near, ions inside the material move and produce an electrical signal.

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