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  "path": "/news/2026-04-programmable-3d-filaments-mimic-artificial.html",
  "publishedAt": "2026-04-29T14:20:08.000Z",
  "site": "https://techxplore.com",
  "tags": [
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  "textContent": "Nature is replete with slender filaments that bend and coil—from climbing grape vines, to folded proteins, to elephant trunks that can pick up a peanut but also take down a tree.",
  "title": "Programmable 3D-printed filaments mimic artificial muscles with heat-driven bending and twisting"
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