{
  "$type": "site.standard.document",
  "bskyPostRef": {
    "cid": "bafyreic5mx2rsovjn6x63dxza5pb3gosgqklfeny46wsyouiygy4xndlau",
    "uri": "at://did:plc:ymc4gnswuis3jispcsmozvs2/app.bsky.feed.post/3mmuv5232sxo2"
  },
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreifxp4gx3cnilbwis63cq2cflmx3z5lqv7np3dzi222ott72vatfna"
    },
    "mimeType": "image/jpeg",
    "size": 3077477
  },
  "path": "/2026/05/27/hunting-submarines-via-gravity-is-a-tough-errand/",
  "publishedAt": "2026-05-27T14:00:15.000Z",
  "site": "https://hackaday.com",
  "tags": [
    "Featured",
    "Interest",
    "Original Art",
    "Science",
    "gradiometer",
    "gravimeter",
    "gravitational anomaly",
    "submarine",
    "…read more"
  ],
  "textContent": "Among so many other technological advances, the Cold War saw the advent of the ballistic missile submarine. The concept was simple—pack enough nuclear warheads to destroy a small civilization into …read more",
  "title": "Hunting Submarines Via Gravity Is A Tough Errand"
}