RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
75 results for "Zu Chongzhi" — page 3 of 4
J_2_08 — Ancient Pigments, Paints, and Dye Chemistry
The human use of pigments and colorants — minerals, biological materials, and synthetic compounds used to impart color to surfaces and textiles — is one of the oldest and most culturally significant technologies, with ev
J_2_02 — Ancient Textiles — Weaving, Dyeing, and Fiber Technology
Ancient textile production represents one of humanity's oldest and most sophisticated technologies, with dyed flax fibers from Dzudzuana Cave (Georgia) dated to approximately 34,000 BP pushing the origins of fiber techno
J_4_01 — Trepanation and Ancient Neurosurgery
This document examines Trepanation and Ancient Neurosurgery, a topic within the Ancient Technology research area. Key areas of investigation include Definition and Terminology, Antiquity and Scope, The Peruvian Concentra
ZC_5_11 — Digital Sociology: Platforms, Surveillance Capitalism, and Algorithmic Governance
Digital sociology examines how digital technologies — the internet, social media platforms, smartphones, algorithms, artificial intelligence, data analytics, and digital infrastructure — transform social life, institutio
G_4_25 — Space Settlement and Interplanetary Civilization
Space settlement theory addresses the technical, biological, and sociological requirements for establishing permanent self-sustaining human communities beyond Earth. The modern framework was established by physicist Gera
G_3_02 — Simulation Theory
Simulation Theory proposes that our perceived reality is a computational simulation running on substrate beyond our direct observation. Bostrom's trilemma (2003) provides the logical scaffolding (Tier 1), quantization of
O_2_02 — Earthquake Prediction — Ancient Seismological Knowledge and Modern Limits
Earthquake prediction remains one of the great unsolved problems of geoscience — despite enormous technological investment, no reliable short-term prediction method exists. Yet ancient civilizations demonstrated remarkab
D_5_16 — Color Symbolism in Ancient Sacred Architecture
Ancient sacred buildings were never the bare stone ruins we see today. From Egyptian temples blazing with red, blue, yellow, and green to Maya pyramids coated in vivid red plaster to Greek temples painted in polychromati
B_4_04 — Demon Taxonomy Across Cultures — Asuras, Rakshasas, Oni, Ifrit
Every known civilization has developed taxonomies of malevolent or adversarial supernatural beings — entities that oppose cosmic order, threaten human welfare, or embody chaotic forces. These classifications range from t
B_2_05 — Alien Races & Non-Human Intelligences: Complete Taxonomy & Origins
This document examines Alien Races & Non-Human Intelligences: Complete Taxonomy & Origins, a topic within the Beings and Entities research area. Key areas of investigation include Government-Confirmed UAP Categories, The
B_2_06 — Nephilim / Giants Comprehensive
"Nephilim" appears only twice in the Hebrew Bible (Genesis 6:4, Numbers 13:33), yet the concept of giant offspring from divine-human unions pervades virtually every ancient tradition worldwide. The Hebrew term carries am
B_2_22 — Thunderbird: Storm Bird Mythology Across Cultures
The Thunderbird — a colossal avian being whose wingbeats produce thunder and whose eyes or beak flash lightning — is one of the most powerful and widespread figures in Indigenous North American mythology, documented acro
B_1_25 — Ocean Deity: Sea Gods and Maritime Divine Figures
Ocean deities — gods, goddesses, and spirits who personify, control, or inhabit the sea — appear in every maritime and coastal culture on Earth, reflecting the ocean's dual nature as provider and destroyer. In Greek myth
B_1_23 — Divine Twins: Dual Deity Motif in World Mythology
The divine twins motif — paired deities or heroes, usually brothers, who complement or oppose each other — is one of the most widespread mythological archetypes on Earth. The pattern appears in Indo-European, Mesoamerica
B_3_05 — Thunderbird and Avian Supernatural Beings
Supernatural avian beings — enormous, powerful, and frequently storm-associated birds — form one of the most persistent and geographically widespread motifs in world mythology. From the Thunderbird of North American Plai
B_3_15 — Primordial Water Entities: Apsu, Nun, Tiamat, Varuna
Primordial water entities — personified cosmic oceans, abyssal waters, and aquatic chaos-beings from which the ordered universe emerges — represent one of the most universal cosmogonic motifs. In Mesopotamia, the Apsu (A
ZD_1_03 — Information as Fundamental Reality
Multiple converging lines of evidence suggest information, not matter or energy, may be the most fundamental constituent of reality. From Wheeler's "It from Bit" to the holographic principle (3D reality encoded on 2D bou
L_4_03 — Genetic Clocks and Molecular Dating
The molecular clock — the concept that DNA and protein sequences accumulate mutations at approximately regular rates over time — provides a powerful tool for dating evolutionary divergences independently of the fossil re
Y_2_07 — Temporal Lobe Epilepsy and Religious Experience
Temporal lobe epilepsy (TLE) — seizures originating in the temporal lobes, which contain structures critical for memory (hippocampus), emotion (amygdala), and sensory-experiential processing — produces some of the most d
N_2_03 — Kabbalah and Jewish Mysticism
Kabbalah (קַבָּלָה, "reception/tradition") is the esoteric and mystical tradition within Judaism, constituting one of the most sophisticated metaphysical systems ever developed. While its practitioners claim origins reac
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