Early Electromagnetism
Discovery of the fundamental link between electricity and magnetism (Oersted, Faraday, Ampère), enabling the creation of electromagnets and the principle of induction.
Core metadata
- ID: electromagnetism_early_discoveries
- Era: Industrial
- First known date: 1820 (exact)
- Region: Denmark and European physics
- Review status: source_checked
- Maturity: N/A
Prerequisites
Dependents
- Dynamo (dynamo)
- Electric Motor (electric_motor)
- Electromagnetism (Maxwell's Equations) (electromagnetism_maxwell)
- Telegraph (telegraph)
- Telephone (telephone)
Fields
- None.
Node sources
- Electromagnetism - Foundations of electrochemistry and electrodynamics (Encyclopaedia Britannica, 2026, textbook) • Supports: node, maturity
Prerequisite edge evidence
Edge/source evidence summary:
- Prerequisite edges: 3
- Average edge confidence: 68%
- Prerequisite sources: 3
- expert_inference: 3
| Prerequisite | Type | Confidence | Evidence level | Note | Sources |
|---|---|---|---|---|---|
| Electricity (electricity) | enabling | 68% | expert_inference | Electricity provides a capability that enables this technology without being the only possible path. |
|
| Scientific Method (scientific_method) | enabling | 68% | expert_inference | Scientific Method provides a capability that enables this technology without being the only possible path. |
|
| Mathematics (mathematics) | enabling | 68% | expert_inference | Mathematics provides a capability that enables this technology without being the only possible path. |
|
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