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  "path": "/2026/05/26/power-from-gravity/",
  "publishedAt": "2026-05-26T08:00:17.000Z",
  "site": "https://hackaday.com",
  "tags": [
    "green hacks",
    "gravity battery",
    "…read more"
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  "textContent": "Gravity batteries aren’t exactly a new idea. You can store energy by lifting something heavy, converting kinetic energy into potential energy. To get it back, you let the mass fall …read more",
  "title": "Power from Gravity"
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