{"id": "card_maxwell_first_unification", "kind": "reference", "title": "The first unification — electricity, magnetism and light, one field", "body": "Maxwell showed that electricity and magnetism are one electromagnetic field, and that its waves travel at c = 1/sqrt(mu0 eps0) - the speed of light, so light IS electromagnetism (sealed on stick_maxwell_s_equations_and_superconductivity). Two forces and light become one: the archetype of 'many into one' and the first rung of the one force.", "source": {"label": "Narrow Highway — Maxwell's equations", "url": "", "authority_tier": "engine_derived"}, "shelf": "codex", "box": "maxwell", "bands": ["maxwell", "pillar", "first_unification", "one map"], "subject": "The first unification — electricity, magnetism and light, one field", "connections": [{"to_card_id": "card_floor_maxwells_equations", "relationship": "part_of", "evidence": "a pillar of the electromagnetic unification (The first unification)"}, {"to_card_id": "card_floor_the_capstone", "relationship": "connects_at", "evidence": "the archetype of 'many into one' - the first rung of the one force"}, {"to_card_id": "card_floor_standard_model", "relationship": "connects_at", "evidence": "the U(1) of electromagnetism is part of the Standard Model's gauge group"}], "author": "engine", "created_at": 0.0, "updated_at": 0.0, "visibility": "public", "lifecycle_stage": "public", "volatility": "permanent", "surface": "secular", "generated": false, "call": "codex.maxwell", "facets": {"subject": ["first_unification", "one map", "pillar"]}, "presentation": {"glyph": "•", "kind_label": "maxwell", "by": "Narrow Highway — Maxwell's equations", "authority": "engine_derived", "posted": "", "standing": ""}, "neighbors": [{"id": "card_floor_maxwells_equations", "title": "Maxwell's equations — the first unification", "relationship": "part of", "why": "a pillar of the electromagnetic unification (The first unification)", "href": "/card/card_floor_maxwells_equations", "resolved": true}, {"id": "card_floor_the_capstone", "title": "The capstone — one source, many potentials, one end", "relationship": "connects at", "why": "the archetype of 'many into one' - the first rung of the one force", "href": "/card/card_floor_the_capstone", "resolved": true}, {"id": "card_floor_standard_model", "title": "The floor of the Standard Model - where two trees meet", "relationship": "connects at", "why": "the U(1) of electromagnetism is part of the Standard Model's gauge group", "href": "/card/card_floor_standard_model", "resolved": true}], "house": {"door": "FIND", "kind": "card", "trail": "connections", "seal": "/card/card_maxwell_first_unification", "next_step": {"do": "follow a connection: what this card rests on, and what rests on it", "door": "FIND", "tool": "card_connections", "params": {"id": "card_maxwell_first_unification"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}