{"query": "Sizing a spherical tank of radius 3", "count": 8, "results": [{"id": "card_works_spherical_tank", "title": "Sizing a spherical tank of radius 3", "shelf": "the-works", "surface": "secular", "snippet": "For a sphere of radius 3, the volume is (4/3)πr³ and the surface area is 4πr² — both come to 36π here, decided to full precision.  Worked & sealed by the engine — V = (4/3)π·3³ = 36π ≈ 113.097 ;  A = ", "authority_tier": "verified", "source": "The Works — worked & sealed", "generated": false}, {"id": "card_src_fed_nasa_techdoc_19770079348", "title": "User's manual for HESCOMP, the helicopter sizing and performance computer program", "shelf": "science", "surface": "secular", "snippet": "User's manual for HESCOMP, the helicopter sizing and performance computer program. A United States federal publication, public domain (17 USC 105). The full text (580,536 bytes) is held on the ark; wa", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "generated": false}, {"id": "card_src_fed_nasa_techdoc_19820069273", "title": "HESCOMP. The Helicopter Sizing and Performance Computer Program. User's manual, revision 2", "shelf": "science", "surface": "secular", "snippet": "HESCOMP. The Helicopter Sizing and Performance Computer Program. User's manual, revision 2. A United States federal publication, public domain (17 USC 105). The full text (1,137,690 bytes) is held on ", "authority_tier": "reference", "source": "NASA technical documents (PD, 17 USC 105)", "generated": false}, {"id": "card_src_word_sizing", "title": "sizing", "shelf": "dictionary", "surface": "secular", "snippet": "sizing: (noun) any glutinous material used to fill pores in surfaces or to stiffen fabrics — syn: size", "authority_tier": "reference", "source": "WordNet 3.0, Princeton University (WordNet License)", "generated": false}, {"id": "card_src_rfc_9659", "title": "RFC9659 — Window Sizing for Zstandard Content Encoding", "shelf": "rfcs", "surface": "secular", "snippet": "RFC9659: Window Sizing for Zstandard Content Encoding (September 2024). Status: INFORMATIONAL.", "authority_tier": "reference", "source": "The RFC Index (RFC Editor / IETF) — public domain", "generated": false}, {"id": "card_spine_power", "title": "The off-grid power shelf — keeping the lights and the radio on", "shelf": "spine", "surface": "secular", "snippet": "Off-grid electricity for the prepared home and the mesh node: volts/amps/watts, sizing a system to your real load, batteries (lead-acid vs lithium), solar panels and charge controllers, inverters, saf", "authority_tier": "reference", "source": "The off-grid power shelf (curated, public domain)", "generated": false}, {"id": "card_power_solar", "title": "Solar panels — free power from the sun", "shelf": "energy", "surface": "secular", "snippet": "A solar panel turns sunlight into DC electricity; its rating (e.g. 100 W) is its output in full sun. What you actually harvest per day is roughly panel-watts × your daily PEAK SUN HOURS (about 3–6 in ", "authority_tier": "reference", "source": "U.S. Department of Energy / NREL consumer energy guidance (public domain)", "generated": false}, {"id": "card_src_pron_sizing", "title": "sizing", "shelf": "pronunciation", "surface": "secular", "snippet": "", "authority_tier": "", "source": "", "generated": false}]}