{"query": "Metrology — measurement and the SI", "count": 20, "results": [{"id": "card_floor_metrology", "title": "Metrology — measurement and the SI", "shelf": "codex", "surface": "secular", "snippet": "Measurement is the ground of every sealed number: the SI defines its units by fixing constants (the metre by c), and every unit converts by exact factors. Pillars rest on the instruments (the 6-consta", "authority_tier": "engine_derived", "source": "Narrow Highway — metro", "readable": false, "generated": false}, {"id": "card_src_etym_metrology", "title": "metrology", "shelf": "etymology", "surface": "secular", "snippet": "metrology: etymology (Webster 1913) — n.: [Gr. -métrologie.]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_src_word_metrology", "title": "metrology", "shelf": "dictionary", "surface": "secular", "snippet": "metrology: (noun) the scientific study of measurement", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_floor_the_calendar", "title": "The calendar — keeping time by sun and number", "shelf": "codex", "surface": "secular", "snippet": "The day is one rotation (86400 s), the year one orbit (~365.2422 days); the Gregorian calendar approximates it as 365.2425 by a leap rule. Pillars rest on astronomy (the orbit and rotation) and metrol", "authority_tier": "engine_derived", "source": "Narrow Highway — cal", "readable": false, "generated": false}, {"id": "card_floor_music", "title": "Music — interval, tuning, and the harmonic series", "shelf": "codex", "surface": "secular", "snippet": "Music is number made audible: the consonant intervals are small whole-number frequency ratios (octave 2:1, fifth 3:2, fourth 4:3), and a scale is a tuning that divides the octave — equal temperament b", "authority_tier": "engine_derived", "source": "Narrow Highway — music", "readable": false, "generated": false}, {"id": "card_spine_metrology", "title": "Metrology — a spine", "shelf": "spine", "surface": "secular", "snippet": "The pillars.", "authority_tier": "engine_derived", "source": "Narrow Highway — metro", "readable": false, "generated": false}, {"id": "card_src_word_metrological", "title": "metrological", "shelf": "dictionary", "surface": "secular", "snippet": "metrological: (adjective) of or relating to metrology", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "readable": false, "generated": false}, {"id": "card_theory_stellar_nucleosynthesis_the_hr_diagram", "title": "Stellar nucleosynthesis & the HR diagram", "shelf": "theories", "surface": "secular", "snippet": "Stellar nucleosynthesis & the HR diagram — an engine domain that can touch it: astronomy. Calibration: partial — specific relations verify; the theory as a whole is not a sealable computation. Where t", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_antisepsis_handwashing", "title": "Antisepsis & handwashing (Semmelweis, Lister)", "shelf": "theories", "surface": "secular", "snippet": "Antisepsis & handwashing (Semmelweis, Lister) — an engine domain that can touch it: medicine. Calibration: map-only — the effect sizes are historical measurements. Ignaz Semmelweis noticed in 1847 tha", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_src_port_tcp_66_sql_net", "title": "Port 66/tcp — sql-net", "shelf": "networking", "surface": "secular", "snippet": "Port 66/tcp is assigned to sql-net: Oracle SQL*NET\nIANA assigned this well-formed service name as a replacement for \"sql*net\"..", "authority_tier": "reference", "source": "IANA Service Name and Port Number Registry (public domain)", "readable": false, "generated": false}, {"id": "card_src_port_udp_66_sql_net", "title": "Port 66/udp — sql-net", "shelf": "networking", "surface": "secular", "snippet": "Port 66/udp is assigned to sql-net: Oracle SQL*NET\nIANA assigned this well-formed service name as a replacement for \"sql*net\"..", "authority_tier": "reference", "source": "IANA Service Name and Port Number Registry (public domain)", "readable": false, "generated": false}, {"id": "card_src_etym_arch", "title": "arch", "shelf": "etymology", "surface": "secular", "snippet": "arch: etymology (Webster 1913) — n.: [F. arche, fr. LL. arca, for arcus. See Arc.]; a.: [See Arch-, pref.]; n.: [See Arch-, pref.]; [Gr. Arch, a.]. From Webster's Revised Unabridged Dictionary (1913),", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_theory_topological_quantum_computation", "title": "Topological quantum computation (non-Abelian / Fibonacci anyons)", "shelf": "theories", "surface": "secular", "snippet": "Topological quantum computation (non-Abelian / Fibonacci anyons) — an engine domain that can touch it: quantum_computing. Calibration: partial — specific relations verify; the theory as a whole is not", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (lone-domain seeding)", "readable": false, "generated": false}, {"id": "card_src_etym_arch_1", "title": "arch-", "shelf": "etymology", "surface": "secular", "snippet": "arch-: etymology (Webster 1913) — [L. arch-, Gr. Arch-.]. From Webster's Revised Unabridged Dictionary (1913), public domain.", "authority_tier": "reference", "source": "Webster's Revised Unabridged Dictionary (1913), Project Gutenberg eBook #29765 — public domain", "readable": true, "generated": false}, {"id": "card_theory_nuclear_decay_binding_energy", "title": "Nuclear decay & binding energy", "shelf": "theories", "surface": "secular", "snippet": "Nuclear decay & binding energy — an engine domain that can touch it: nuclear_physics. Calibration: seals — half-lives, decay chains and mass-energy conversions compute. An unstable nucleus decays with", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_plasma_physics", "title": "Plasma physics (the fourth state, and most of the universe)", "shelf": "theories", "surface": "secular", "snippet": "Plasma physics (the fourth state, and most of the universe) — an engine domain that can touch it: physics. Calibration: map-only — specific relations compute; the regime as a whole is not a sealable c", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_periodic_law", "title": "Periodic law (Mendeleev)", "shelf": "theories", "surface": "secular", "snippet": "Periodic law (Mendeleev) — an engine domain that can touch it: periodic_table. Calibration: seals — element properties and group trends look up and compute. Arrange elements by atomic number and their", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_real_estate_valuation", "title": "Real-estate valuation (cap rate, DCF)", "shelf": "theories", "surface": "secular", "snippet": "Real-estate valuation (cap rate, DCF) — an engine domain that can touch it: real_estate. Calibration: seals — cap rate, NOI and discounted cash flows compute. CAP RATE = net operating income ÷ price. ", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_theory_spectroscopy", "title": "Spectroscopy (how we know what a distant thing is made of)", "shelf": "theories", "surface": "secular", "snippet": "Spectroscopy (how we know what a distant thing is made of) — an engine domain that can touch it: optics. Calibration: seals — wavelengths, Doppler shifts and Wien's law all recompute and check. Split ", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_src_pron_soaks", "title": "soaks", "shelf": "pronunciation", "surface": "secular", "snippet": "soaks: pronounced (ARPABET) S OW1 K S. From the CMU Pronouncing Dictionary — the standard machine-readable pronunciations of North American English.", "authority_tier": "reference", "source": "CMU Pronouncing Dictionary (cmudict) — BSD-2-Clause, Carnegie Mellon", "readable": false, "generated": false}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_floor_metrology"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}