{"query": "A 2 kg mass: the force to move it, the energy it carries", "count": 20, "results": [{"id": "card_works_mechanics", "title": "A 2 kg mass: the force to move it, the energy it carries", "shelf": "the-works", "surface": "secular", "snippet": "Newton's second law fixes the force to accelerate a mass; its kinetic energy fixes what the motion is worth. Same mass, two laws, both checked.  Worked & sealed by the engine — F = m·a = 2·5 = 10 N · ", "authority_tier": "verified", "source": "The Works — worked & sealed", "generated": false}, {"id": "card_ref_pc_electron_mass", "title": "Electron mass = 9.1093837015e-31 kg", "shelf": "physics", "surface": "secular", "snippet": "The electron mass is 9.1093837015e-31 kg (measured). Verified physical constant.", "authority_tier": "reference", "source": "Verified reference — physical_constants", "generated": false}, {"id": "card_ref_pc_neutron_mass", "title": "Neutron mass = 1.67492749804e-27 kg", "shelf": "physics", "surface": "secular", "snippet": "The neutron mass is 1.67492749804e-27 kg (measured). Verified physical constant.", "authority_tier": "reference", "source": "Verified reference — physical_constants", "generated": false}, {"id": "card_ref_pc_proton_mass", "title": "Proton mass = 1.67262192369e-27 kg", "shelf": "physics", "surface": "secular", "snippet": "The proton mass is 1.67262192369e-27 kg (measured). Verified physical constant.", "authority_tier": "reference", "source": "Verified reference — physical_constants", "generated": false}, {"id": "card_ref_pc_atomic_mass_unit", "title": "Atomic mass unit = 1.6605390666e-27 kg", "shelf": "physics", "surface": "secular", "snippet": "The atomic mass unit is 1.6605390666e-27 kg (measured). Verified physical constant.", "authority_tier": "reference", "source": "Verified reference — physical_constants", "generated": false}, {"id": "card_v_e6283405b201", "title": "MAP = 80 + (120−80)/3 ≈ 93.3 mmHg · dose = 10 mg/kg · 70 kg = 700 mg", "shelf": "medicine", "surface": "secular", "snippet": "Verdict: HOLDS.\n• medicine.map: MAP = 93.3 mmHg (matches claim)\n• medicine.drug_dosage: 10.0 mg/kg × 70.0 kg = 700.0 mg (matches claim)\nSealed and independently re-checkable: https://narrowhighway.com", "authority_tier": "engine", "source": "Verified by the engine — medicine", "generated": false}, {"id": "card_src_met_11260", "title": "Forestry, ax chopping, slow, 1.25 kg axe, 19 blows/min, moderate effort — 5.0 METs", "shelf": "activities", "surface": "secular", "snippet": "Forestry, ax chopping, slow, 1.25 kg axe, 19 blows/min, moderate effort (Occupation) — 5.0 METs, the energy cost of the activity (metabolic equivalents, where 1 MET is resting).", "authority_tier": "reference", "source": "2011 Compendium of Physical Activities (Ainsworth BE et al.)", "generated": false}, {"id": "card_src_met_11262", "title": "Forestry, ax chopping, fast, 1.25 kg axe, 35 blows/min, vigorous effort — 8.0 METs", "shelf": "activities", "surface": "secular", "snippet": "Forestry, ax chopping, fast, 1.25 kg axe, 35 blows/min, vigorous effort (Occupation) — 8.0 METs, the energy cost of the activity (metabolic equivalents, where 1 MET is resting).", "authority_tier": "reference", "source": "2011 Compendium of Physical Activities (Ainsworth BE et al.)", "generated": false}, {"id": "card_works_medicine", "title": "The body's numbers: mean pressure and a safe dose", "shelf": "the-works", "surface": "secular", "snippet": "Mean arterial pressure — what actually perfuses the organs — is DBP + (SBP−DBP)/3, about 93 mmHg at 120/80. And a 10 mg/kg drug in a 70 kg adult is a 700 mg dose. The bedside arithmetic that must not ", "authority_tier": "verified", "source": "The Works — worked & sealed", "generated": false}, {"id": "card_src_met_11250", "title": "Forestry, ax chopping, very fast, 1.25 kg axe, 51 blows/min, extremely vigorous effort — 17.5 METs", "shelf": "activities", "surface": "secular", "snippet": "Forestry, ax chopping, very fast, 1.25 kg axe, 51 blows/min, extremely vigorous effort (Occupation) — 17.5 METs, the energy cost of the activity (metabolic equivalents, where 1 MET is resting).", "authority_tier": "reference", "source": "2011 Compendium of Physical Activities (Ainsworth BE et al.)", "generated": false}, {"id": "card_src_word_kg", "title": "kg", "shelf": "dictionary", "surface": "secular", "snippet": "kg: (noun) one thousand grams — syn: kilogram, kilo", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_n_0c29d0e6bba0", "title": "A parable — Calling finding", "shelf": "codex", "surface": "witness", "snippet": "A prophet stood on a mountain and waited for God in the wind. The wind came and was loud, but God was not in it. Then earthquake, then fire — and God was in neither. After all of that, a still small v", "authority_tier": "operator", "source": "Narrow Highway — original parable", "generated": false}, {"id": "card_n_bbecbbc24fb6", "title": "The nucleus — the strongest glue and the slowest clocks", "shelf": "science", "surface": "secular", "snippet": "Past gamma rays the spectrum ends and the nucleus itself begins. One chain,\neight steps, sealed — four of them IN-DOMAIN by the nuclear fleet: https://narrowhighway.com/s/8a5e89ab13bc499f39240c64360d9", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "generated": false}, {"id": "card_src_drug_nicotinamide_adenine_dinucleotide_nadh_bulk_powder_25_kg_drum", "title": "Nicotinamide Adenine Dinucleotide (Nadh) Bulk Powder, 25 Kg Drum", "shelf": "medicine", "surface": "secular", "snippet": "Nicotinamide Adenine Dinucleotide (NADH) Bulk Powder, 25 kg Drum: a BULK INGREDIENT, powder.", "authority_tier": "reference", "source": "openFDA / FDA NDC Directory (public domain)", "generated": false}, {"id": "card_n_22f6cb5bf619", "title": "Fission — 82 terajoules in a kilogram", "shelf": "science", "surface": "secular", "snippet": "Split uranium-235 and each atom yields ~200 MeV. Scaled by Avogadro's number (exact\nsince 2019), sealed: 82 TJ per kilogram — 2.737 million times coal at 30 MJ/kg: https://narrowhighway.com/s/8a5e89ab", "authority_tier": "engine_derived", "source": "Concordance assay — 2026-07-09", "generated": false}, {"id": "card_src_food_174827", "title": "Beverages, Gerolsteiner Brunnen Gmbh & Co. Kg,Gerolsteiner Naturally Sparkling Mineral Water,", "shelf": "nutrition", "surface": "secular", "snippet": "Beverages, GEROLSTEINER BRUNNEN GmbH & Co. KG,Gerolsteiner naturally sparkling mineral water, — a food in the USDA FoodData Central reference. Per 100 g: 0 kcal, 0 g protein, 0 g fat, 0 g carbohydrate", "authority_tier": "reference", "source": "USDA FoodData Central (public domain)", "generated": false}, {"id": "card_works_carbon", "title": "The carbon cost of a hundred kilometres", "shelf": "the-works", "surface": "secular", "snippet": "Emissions are distance times an emission factor: 100 km at 0.2 kg CO₂/km is 20 kg of carbon dioxide — the arithmetic under any honest footprint.  Worked & sealed by the engine — CO₂ = 100·0.2 = 20 kg.", "authority_tier": "verified", "source": "The Works — worked & sealed", "generated": false}, {"id": "card_src_food_173183", "title": "Beverages, Gerolsteiner Brunnen Gmbh & Co. Kg (Gerolsteiner), Naturally Sparkling, Mineral Bottled Water", "shelf": "nutrition", "surface": "secular", "snippet": "Beverages, GEROLSTEINER BRUNNEN GmbH & Co. KG (Gerolsteiner), naturally sparkling, mineral bottled water — a food in the USDA FoodData Central reference. Per 100 g: 0 kcal, 0 g protein, 0 g fat, 0 g c", "authority_tier": "reference", "source": "USDA FoodData Central (public domain)", "generated": false}, {"id": "card_works_density", "title": "Density from mass and volume", "shelf": "the-works", "surface": "secular", "snippet": "Ten kilograms in five litres is a density of 2,000 kg/m³ — ρ = m/V, the property that tells iron from aluminium and floats a ship of steel.  Worked & sealed by the engine — ρ = 10 / 0.005 = 2000 kg/m³", "authority_tier": "verified", "source": "The Works — worked & sealed", "generated": false}, {"id": "card_ref_pc_gravitational_constant", "title": "Gravitational constant = 6.6743e-11 m^3/(kg*s^2)", "shelf": "physics", "surface": "secular", "snippet": "The gravitational constant is 6.6743e-11 m^3/(kg*s^2) (measured) — G; weakest-measured fundamental. Verified physical constant.", "authority_tier": "reference", "source": "Verified reference — physical_constants", "generated": false}]}