{
    "title": "Levitation Disc Articles",
    "inventor_name": "John Searl",
    "publication_year": null,
    "device_name": "Searl Levitation Disc",
    "goal": null,
    "problem_addressed": null,
    "concept_summary": "A collection of newsletters and images that document John Searl's levitation disc concept and related discussions.",
    "detailed_description": null,
    "category": "Overunity & Free Energy Claims",
    "principles": [],
    "scientific_domains": [
        "Physics"
    ],
    "mechanisms_of_action": [],
    "materials": [],
    "energy_sources": [],
    "inputs": [],
    "outputs": [],
    "claimed_performance": null,
    "experimental_evidence": null,
    "replication_status": null,
    "keywords": [
        "levitation",
        "disc",
        "Searl",
        "free energy"
    ],
    "related_technologies": [],
    "controversy_level": "high",
    "confidence_score": 0.4,
    "practicability_score": 0.2,
    "fringe_score": 0.9,
    "evidence_strength": 0.2,
    "risk_score": 0.3,
    "trl_estimate": 2,
    "source_urls": [],
    "organizations": [],
    "applications": [],
    "limitations": [],
    "open_questions": [],
    "red_flags": [
        "lack of experimental data",
        "unverified claims"
    ],
    "evidence_quotes": []
}