{
    "title": "Nikola Tesla : Colorado Springs Notebook",
    "inventor_name": "Nikola Tesla",
    "publication_year": 1899,
    "device_name": "Colorado Springs Experimental Apparatus",
    "goal": "Investigate high-voltage, wireless transmission of electrical energy and Earth's electrical properties",
    "problem_addressed": "Understanding the behavior of high-frequency, high-voltage discharges and the feasibility of wireless power",
    "concept_summary": "During his 1899-1900 stay at Colorado Springs, Nikola Tesla recorded a series of experiments involving high-voltage resonant circuits, large spark discharges, and wireless energy transmission. The notebook contains sketches, photographs, and notes describing the apparatus, measurements, and observations of electromagnetic phenomena.",
    "detailed_description": null,
    "principles": [
        "Electromagnetic resonance",
        "High-voltage discharge",
        "Wireless energy transmission",
        "Standing wave formation"
    ],
    "scientific_domains": [
        "Physics",
        "Electrical Engineering"
    ],
    "mechanisms_of_action": [
        "Oscillating electric fields",
        "Resonant coupling between transmitter and Earth",
        "Radiation of electromagnetic waves"
    ],
    "materials": [
        "Copper wire",
        "Glass insulators",
        "Metal electrodes",
        "Wooden support structures"
    ],
    "energy_sources": [
        "Electrical power from a generator"
    ],
    "inputs": [
        "Electrical power (voltage, current)"
    ],
    "outputs": [
        "High-voltage spark discharges",
        "Radiated electromagnetic waves"
    ],
    "claimed_performance": null,
    "experimental_evidence": "Photographs of the apparatus and discharge phenomena are included in the notebook; measurements of spark length and frequency are noted in the text.",
    "replication_status": null,
    "keywords": [
        "Tesla",
        "Colorado Springs",
        "high voltage",
        "wireless power",
        "resonance",
        "electric discharge"
    ],
    "related_technologies": [
        "Tesla coil",
        "Wireless transmission",
        "Radio"
    ],
    "controversy_level": "low",
    "confidence_score": 0.8,
    "practicability_score": 0.3,
    "fringe_score": 0.5,
    "evidence_strength": 0.2,
    "risk_score": 0.2,
    "trl_estimate": null,
    "source_urls": [
        "https://www.rexresearch.com/tesla/tesla.html"
    ],
    "organizations": [
        "RexResearch"
    ],
    "applications": [
        "Wireless power transmission",
        "High-frequency resonant circuits"
    ],
    "limitations": [],
    "open_questions": [],
    "red_flags": [],
    "evidence_quotes": [],
    "category": "Electromagnetism & Magnetism"
}