{
  "id": 20030288,
  "title": "Your smartwatch can already track your whole body, using sound you can’t hear",
  "url": "https://urgent.news/2026/11/14/your-smartwatch-can-already-track-your-whole-body-using-sound-you",
  "topic": "culture",
  "section": "Culture",
  "published": "2026-11-14T18:56:44.000Z",
  "source": {
    "name": "The Gadgeteer",
    "slug": "the-gadgeteer",
    "url": "https://the-gadgeteer.com/2026/11/14/your-smartwatch-can-already-track-your-whole-body-using-sound-you-cant-hear/"
  },
  "original_language": "en",
  "account": null,
  "summary": "EchoMotion turns a stock smartwatch into a full-body tracker, reading ultrasonic echoes off your arms, legs and torso to place 12 joints from your head to your ankles. No extra hardware rides along today. Cornell’s SciFi Lab built the system…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}