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    "headline": "Quantum Clocks Join a Gravity-Entanglement Proposal",
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    "dek": "A levitated particle and nuclear-clock array target the role of internal energy in active gravitational mass.",
    "summary": "A levitated particle and nuclear-clock array target the role of internal energy in active gravitational mass.",
    "body_text": "The proposed laboratory scheme would test a relativistic contribution that fixed-mass Newtonian interactions cannot produce. It is a conceivable experimental path, not an observation of gravitationally induced entanglement or quantum gravity.",
    "why_it_matters": "A levitated particle and nuclear-clock array target the role of internal energy in active gravitational mass.",
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      "The proposed laboratory scheme would test a relativistic contribution that fixed-mass Newtonian interactions cannot produce.",
      "It is a conceivable experimental path, not an observation of gravitationally induced entanglement or quantum gravity."
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    "tags": [
      "quantum gravity",
      "nuclear clocks"
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      "title": "arXiv preprint 2611.08313, original v1",
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