{"query": "The lattice — how atoms pack", "count": 20, "results": [{"id": "card_mat_lattice", "title": "The lattice — how atoms pack", "shelf": "codex", "surface": "secular", "snippet": "Crystals pack with a definite efficiency: the FCC atomic packing factor pi/(3 sqrt2) = 0.74 (sealed), the densest packing of equal spheres. The lattice sets density, cleavage and strength. Rests on ch", "authority_tier": "engine_derived", "source": "Narrow Highway — materials science", "readable": false, "generated": false}, {"id": "card_theory_fractals", "title": "Fractals & self-similarity (Mandelbrot)", "shelf": "theories", "surface": "secular", "snippet": "Fractals & self-similarity (Mandelbrot) — an engine domain that can touch it: mathematics. Calibration: seals — fractal dimensions and iteration counts compute. A shape whose parts resemble the whole ", "authority_tier": "reference", "source": "The Theory Assay — calibrated, not judged (docs/THEORY_CATALOG.md)", "readable": false, "generated": false}, {"id": "card_span_ebaa6c7a50e6", "title": "The hat should be fine", "shelf": "practical", "surface": "secular", "snippet": "The hat should be fine, soft felt with moderately low crown and wide\r\nbrim; color to match the clothing.\r\n\r\nThe proper covering for head and feet is no slight affair, and will be\r\nfound worth some att", "authority_tier": "primary_pd", "source": "Woodcraft and Camping", "readable": true, "generated": false}, {"id": "card_span_5eb05202629f", "title": "VEGETABLES FOR CANNING 14s", "shelf": "sources", "surface": "secular", "snippet": "teaspoonful of soda to a gallon of water. Wash thoroughly, \nusing a large tub of water so dirt can sink to the bottom; drain \nand boil rapidly in boiling water four to six minutes. Drain well \nand pac", "authority_tier": "primary_pd", "source": "Successful Canning and Preserving (Powell, 1917)", "readable": true, "generated": false}, {"id": "card_comms_q_codes", "title": "Q-codes — three letters that ask a whole question", "shelf": "communications", "surface": "secular", "snippet": "Q-codes pack a question or statement into three letters (a '?' after asks it): QTH = my location (QTH? = where are you); QSL = received/acknowledged; QRZ? = who is calling me; QRM = interference from ", "authority_tier": "reference", "source": "ITU Q-code / operating signals (international standard, long-established)", "readable": false, "generated": false}, {"id": "card_src_fed_packtransport00unitrich", "title": "Manual of pack transportation", "shelf": "practical", "surface": "secular", "snippet": "Manual of pack transportation. A United States federal publication, public domain (17 USC 105). The full text (473,058 bytes) is held on the ark; waybill sha256 4915fe06bd970165…; origin archive.org/p", "authority_tier": "reference", "source": "US Army field & technical manuals (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_lesson_read_en_phonics_digraph_ck_ng", "title": "Lesson: Digraphs — ck and ng", "shelf": "curriculum", "surface": "secular", "snippet": "RULE\n  Two more digraphs that show up at the END of words. CK = /k/ — used after a SHORT vowel at the end of a one-syllable word (back, sick, lock, duck). NG = /ŋ/ — the nasal sound at the end of word", "authority_tier": "reference", "source": "The coach's own curriculum — authored units, verbatim", "readable": false, "generated": false}, {"id": "card_span_a87b97125c60", "title": "Fig. 41.—Uniform tomatoes together. |", "shelf": "sources", "surface": "secular", "snippet": "quickly cools the water. A slender-pointed knife is useful for — \npeeling and coring. \n\n4. Blanching consists of plunging the vegetable or fruit into \na large amount of boiling water for a short time.", "authority_tier": "primary_pd", "source": "Successful Canning and Preserving (Powell, 1917)", "readable": true, "generated": false}, {"id": "card_span_b4172fc0b712", "title": "Tomato Paste.—", "shelf": "sources", "surface": "secular", "snippet": "1 quart of thick tomato pulp Y% teaspoonful of salt \n1 slice of onion (2 inches in 1 teaspoonful of paprika \ndiameter ) 1 tablespoonful of mixed spices \n\n\nMix one tablespoonful of spices about as foll", "authority_tier": "primary_pd", "source": "Successful Canning and Preserving (Powell, 1917)", "readable": true, "generated": false}, {"id": "card_src_fed_fm25_7", "title": "FM 25-7 Pack Transportation, 1944", "shelf": "practical", "surface": "secular", "snippet": "FM 25-7 Pack Transportation, 1944. A United States federal publication, public domain (17 USC 105). The full text (168,157 bytes) is held on the ark; waybill sha256 1e3708f62ccedd81…; origin archive.o", "authority_tier": "reference", "source": "US War Department field & technical manuals (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_manualofpacktran00unit", "title": "Manual of pack transportation", "shelf": "practical", "surface": "secular", "snippet": "Manual of pack transportation. A United States federal publication, public domain (17 USC 105). The full text (474,444 bytes) is held on the ark; waybill sha256 d106639b8f13e73b…; origin archive.org/m", "authority_tier": "reference", "source": "US Army field & technical manuals (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_tm9_319", "title": "TM 9-319 75mm Pack Howitzer M1A1 and Carriage M8", "shelf": "practical", "surface": "secular", "snippet": "TM 9-319 75mm Pack Howitzer M1A1 and Carriage M8. A United States federal publication, public domain (17 USC 105). The full text (408,865 bytes) is held on the ark; waybill sha256 50bc7d2a7ee716f6…; o", "authority_tier": "reference", "source": "United States military field manuals (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_handbookof295inc00unitrich", "title": "Handbook of the 2.95-inch mountain gun matériel and pack outfit ... June 10, 1912", "shelf": "practical", "surface": "secular", "snippet": "Handbook of the 2.95-inch mountain gun matériel and pack outfit ... June 10, 1912. A United States federal publication, public domain (17 USC 105). The full text (272,286 bytes) is held on the ark; wa", "authority_tier": "reference", "source": "US Army field & technical manuals (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_src_fed_handbookvickers00deptgoog", "title": "Handbook of the Vickers machine gun, model of 1915, with pack outfits and accessories ... March 19, 1917", "shelf": "practical", "surface": "secular", "snippet": "Handbook of the Vickers machine gun, model of 1915, with pack outfits and accessories ... March 19, 1917. A United States federal publication, public domain (17 USC 105). The full text (145,833 bytes)", "authority_tier": "reference", "source": "US Army field & technical manuals (PD, 17 USC 105)", "readable": true, "generated": false}, {"id": "card_comms_frs_gmrs", "title": "FRS & GMRS — the license-cheap family radios", "shelf": "communications", "surface": "secular", "snippet": "The 'bubble-pack' walkie-talkies use 22 shared UHF channels (462–467 MHz). FRS is LICENSE-FREE (up to 2 watts on most channels) — fine for a family within a mile or two. GMRS reaches farther (up to 50", "authority_tier": "reference", "source": "FCC Part 95 — Personal Radio Services: GMRS/FRS/MURS/CB (U.S. regulation, public domain)", "readable": false, "generated": false}, {"id": "card_src_etym_packet", "title": "packet", "shelf": "etymology", "surface": "secular", "snippet": "packet: etymology (Webster 1913) — n.: [F. paquet, dim. fr. LL. paccus, from the same source as E. pack. See Pack.]. 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_floor_materials_science", "title": "Materials science — how atoms pack and solids behave", "shelf": "codex", "surface": "secular", "snippet": "Crystals pack with a definite efficiency (the FCC factor 0.74); solids deform by Hooke's law; and whether a solid conducts is set by its electron bands. Three pillars rest on chemistry (the lattice), ", "authority_tier": "engine_derived", "source": "Narrow Highway — materials science", "readable": false, "generated": false}, {"id": "card_src_openstax_chemistry_atoms_first_10_6_lattice_structures_in_crystalline_s_11636092", "title": "10.6 Lattice Structures in Crystalline Solids — Chemistry: Atoms First", "shelf": "chemistry", "surface": "secular", "snippet": "10.6\n\nLattice Structures in Crystalline Solids\n\nLearning ObjectivesBy the end of this section, you will be able to:\n\nDescribe the arrangement of atoms and ions in crystalline structures\n\nCompute ionic", "authority_tier": "reference", "source": "OpenStax: Chemistry: Atoms First (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_openstax_chemistry_atoms_first_2e_10_6_lattice_structures_in_crystalline_s_a8b4c42a", "title": "10.6 Lattice Structures in Crystalline Solids — Chemistry: Atoms First 2e", "shelf": "chemistry", "surface": "secular", "snippet": "10.6\n\nLattice Structures in Crystalline Solids\n\nLearning Objectives\nBy the end of this section, you will be able to:\n\nDescribe the arrangement of atoms and ions in crystalline structures\n\nCompute ioni", "authority_tier": "reference", "source": "OpenStax: Chemistry: Atoms First 2e (CC-BY 4.0)", "readable": false, "generated": false}, {"id": "card_src_etym_pack", "title": "pack", "shelf": "etymology", "surface": "secular", "snippet": "pack: etymology (Webster 1913) — v. t.: [Akin to D. pakken, G. packen, Dan. pakke, Sw. packa, Icel. pakka. See Pack, n.]. 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}], "house": {"door": "FIND", "kind": "cards", "trail": "results", "seal": null, "next_step": {"do": "open the top card", "door": "FIND", "tool": "card_get", "params": {"id": "card_mat_lattice"}}, "ends": "a verdict or a card · the trail · a seal · one next step"}}