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Keywords:

  • soft robotics;
  • tentacles;
  • pneumatic actuators;
  • three-dimensional motion;
  • composite materials
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Soft robotic tentacles that move in three dimensions upon pressurization are fabricated by composing flexible elastomers with different tensile strengths using soft lithographic molding. These actuators are able to grip complex shapes and manipulate delicate objects. Embedding functional components into these actuators (for example, a needle for delivering fluid, a video camera, and a suction cup) extends their capabilities.