{"query": "The expensive brain — thought costs energy", "count": 19, "results": [{"id": "card_mind_expensive_brain", "title": "The expensive brain — thought costs energy", "shelf": "codex", "surface": "secular", "snippet": "The brain is about 2 percent of body mass but burns about 20 percent of resting energy (a ratio of 10, sealed). Awareness is paid for in glucose and oxygen - a steep local order bought with a larger d", "authority_tier": "engine_derived", "source": "Narrow Highway — the mind", "readable": false, "generated": false}, {"id": "card_theory_agricultural_science", "title": "Agricultural science (yield, soil-pH suitability)", "shelf": "theories", "surface": "secular", "snippet": "Agricultural science (yield, soil-pH suitability) — an engine domain that can touch it: agriculture. Calibration: seals — yield, spacing, seeding rates and pH suitability compute. 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Though the sacrifices were expensive, he did not grudge them; he spared no cost to gain his point, though he now could have but little hope of it: and offered a b", "authority_tier": "reference", "source": "John Gill's Exposition of the Old and New Testaments — Public Domain", "readable": false, "generated": false}, {"id": "card_pattern_build_a_moat", "title": "Build a moat", "shelf": "strategy", "surface": "secular", "snippet": "Make the position you have won expensive to take. 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It is the reservoir that stores a gradient and the manifold that routes that gradient to useful work.\"\n\nSource → Gradient → ", "authority_tier": "author", "source": "Universal Gradient Manifold — A Heat-Source-Agnostic Energy Operating System — Matt Harris", "readable": false, "generated": false}, {"id": "card_src_fed_nasa_techdoc_19980226989", "title": "Satellite Networks: Architectures, Applications, and Technologies", "shelf": "science", "surface": "secular", "snippet": "Satellite Networks: Architectures, Applications, and Technologies. A United States federal publication, public domain (17 USC 105). The full text (503,365 bytes) is held on the ark; waybill sha256 c94", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_book_56330", "title": "Handbuch der chemischen Technologie Achte Auflage — Johannes Rudolf Wagner", "shelf": "gutenberg", "surface": "secular", "snippet": "Handbuch der chemischen Technologie Achte Auflage, by Johannes Rudolf Wagner (in de). Subjects: Chemistry, Technical; Chemical industry. 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A book returned to the public domain — public domain by copyright expiry (published 1912, pre-1929). The full text (", "authority_tier": "reference", "source": "public domain (copyright expired)", "readable": true, "generated": false}, {"id": "card_src_fed_nasa_techdoc_19930021260", "title": "Goddard Conference on Mass Storage Systems and Technologies, Volume 1", "shelf": "science", "surface": "secular", "snippet": "Goddard Conference on Mass Storage Systems and Technologies, Volume 1. A United States federal publication, public domain (17 USC 105). The full text (685,746 bytes) is held on the ark; waybill sha256", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_nasa_techdoc_19870013020", "title": "Shuttle ground operations efficiencies/technologies study. Volume 4: Preliminary Issues Database (PIDB) catalog", "shelf": "science", "surface": "secular", "snippet": "Shuttle ground operations efficiencies/technologies study. Volume 4: Preliminary Issues Database (PIDB) catalog. A United States federal publication, public domain (17 USC 105). The full text (1,299,8", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_nasa_techdoc_19910072589", "title": "Shuttle ground operations efficiencies/technologies study, phase 3. Volume 3: Simplified launch system operational criteria", "shelf": "science", "surface": "secular", "snippet": "Shuttle ground operations efficiencies/technologies study, phase 3. Volume 3: Simplified launch system operational criteria. A United States federal publication, public domain (17 USC 105). The full t", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_etym_technology", "title": "technology", "shelf": "etymology", "surface": "secular", "snippet": "technology: etymology (Webster 1913) — n.: [Gr. -logy; cf. Gr. technologie.]. 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_spine_arkpd", "title": "The trades shelf — handbooks the copyright let go", "shelf": "spine", "surface": "secular", "snippet": "Commercial books whose copyright has expired: handyman and trade encyclopedias, mechanics' and builders' guides, farmers' manuals, the old technologies. 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