{
    "title": "Pyramid Electrical Generator",
    "inventor_name": "Thomas Trawoger",
    "publication_year": 2006,
    "device_name": "Pyramid Electric Generator",
    "goal": "Generate electrical power without an external power supply using a pyramid-shaped resonant structure.",
    "problem_addressed": "Need for alternative or free-energy sources that can provide electricity without conventional fuel or grid power.",
    "concept_summary": "A pyramid-shaped device constructed from copper tubing, a coil, a capacitor and a small magnet that allegedly produces a DC output of 12 V at 0.25 A when the coil is excited, without any external voltage source.",
    "detailed_description": null,
    "category": "Electromagnetism & Magnetism",
    "principles": [
        "electromagnetic induction",
        "resonant oscillation",
        "free energy hypothesis"
    ],
    "scientific_domains": [
        "Physics",
        "Electrical Engineering",
        "Magnetism"
    ],
    "mechanisms_of_action": [
        "induction of current in coil by magnetic field changes",
        "self-excited resonant oscillation"
    ],
    "materials": [
        "copper tubing",
        "magnet",
        "copper wire coil",
        "capacitor"
    ],
    "energy_sources": [],
    "inputs": [
        "small magnet for initial excitation",
        "ambient electromagnetic fields (claimed)"
    ],
    "outputs": [
        "DC electricity (~=12 V, 0.25 A)"
    ],
    "claimed_performance": "12 V / 0.25 A DC output",
    "experimental_evidence": "Various videos and photos are provided, but no quantitative measurements or peer-reviewed data are presented.",
    "replication_status": null,
    "keywords": [
        "pyramid",
        "generator",
        "free energy",
        "overunity",
        "electromagnetic",
        "Thomas Trawoger"
    ],
    "related_technologies": [
        "Tesla coil",
        "resonant inductive coupling",
        "overunity generator",
        "free energy device"
    ],
    "controversy_level": "high",
    "confidence_score": 0.4,
    "practicability_score": 0.3,
    "fringe_score": 0.9,
    "evidence_strength": 0.2,
    "risk_score": 0.2,
    "trl_estimate": 3,
    "source_urls": [
        "http://overunity.com",
        "http://www.comshop.tv/tpp/",
        "http://www.panaceauniversity/pyramid.asp",
        "http://www.youtube.com/user/Nanotec9",
        "http://www.secret.tv/artikel/Strom_aus_der_Pyramide__Mythos_oder_Wirklichkeit__1308869.html",
        "http://www.overunity.com/index.php/topic,695.0.html"
    ],
    "organizations": [],
    "applications": [
        "low-power electricity generation",
        "experimental energy research"
    ],
    "limitations": [
        "No independent verification",
        "Unclear energy source",
        "Claims based on anecdotal video evidence",
        "Website and documentation withdrawn"
    ],
    "open_questions": [
        "What is the physical source of the reported energy?",
        "Can the device be reliably reproduced?",
        "What is the actual efficiency compared to any input?"
    ],
    "red_flags": [
        "Free-energy claim",
        "Lack of peer-reviewed data",
        "Website shutdown and undisclosed transfer to a company",
        "Potential for scam"
    ],
    "evidence_quotes": [
        "12 V / 1/4 A DC Output",
        "Es braucht naturlich absolut keine Einleitung jeglicher Spannung, um die Pyramide 'hochzufahren' Wir verwenden für diese Initialisierung lediglich einen kleinen Magneten, und regen damit die Spule zum 'Einschwingen' an.",
        "Fraglich ist derzeit nur, woher diese Energie stammt.",
        "Hier in diesem Video am Ende ... ein anderer Erfinder behauptet, die Pyramide nachgebaut zu haben und ebenfalls Strom zu erhalten.",
        "Die Website wurde geschlossen und das Projekt an ein internationales Unternehmen übergeben."
    ]
}