An aquatic robot developed at Massachusetts Institute of Technology pushes the envelope for robotic agility, with quick, fluid movements that demonstrate a superior ability to maneuver in the real world, according to this article. One key is the robot's softness, enabled by quick distribution of carbon dioxide through a complex of pipes and valves in its fish-shaped silicone rubber body. "We're very excited about the idea of soft machines because they are intrinsically safer than hard machines," said Daniela Rus, director of MIT's Computer Science and Artificial Intelligence Laboratory.

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