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  "path": "/news2/robotics/newsid=69477.php",
  "publishedAt": "2026-05-28T14:05:28.000Z",
  "site": "https://www.nanowerk.com",
  "textContent": "A pea-sized liquid metal pump drives soft robots and wearables at ultra-low voltage, enabling portable fluidic actuation without bulky hardware.",
  "title": "Liquid metal pump powers soft robotic butterfly at less than 0.1 volts"
}