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  "path": "/technology/engineering/we-went-to-finland-to-hear-about-the-new-sand-battery-that-will-turn-stored-renewable-energy-back-into-power-for-the-electrical-grid",
  "publishedAt": "2026-04-06T11:00:00.000Z",
  "site": "https://www.livescience.com",
  "tags": [
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  "textContent": "Engineers are testing a new \"sand battery\" that could power industries and communities using stored renewable energy.",
  "title": "We went to Finland to hear about the new 'sand battery' that will turn stored renewable energy back into power for the electrical grid"
}