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.
290 results for "Sun Zi" — page 9 of 15
ZG_1_21 — Logographic Writing Systems
Logographic writing systems — scripts in which individual symbols (logograms) represent whole words or morphemes rather than individual sounds — are among the oldest and most cognitively distinctive forms of human commun
ZG_3_07 — Animal Communication Systems: Birdsong, Whale Song, Primate Calls
Animal communication systems — the diverse repertoires of signals (vocal, visual, chemical, tactile, electrical) by which non-human species transmit information — have been the subject of intensive study both for their o
J_1_08 — Ancient Optics, Lenses, and Light Technology
Ancient civilizations possessed a greater understanding of optics and light than is commonly recognized. Archaeological evidence includes polished crystal lenses (the Nimrud lens, ~750 BCE; Visby lenses, ~11th c. CE), so
J_2_03 — Ancient Mining and Metallurgy Beyond Bronze
Ancient mining and metallurgy extended far beyond the familiar copper-tin bronze paradigm, encompassing deep-time ochre extraction (Lion Cave, Eswatini, ~43,000 BP), sophisticated flint mining networks (Grimes Graves, ~3
J_5_14 — Greek Mathematical Instruments: Precision Tools
Ancient Greek civilization produced the most sophisticated mathematical and scientific instruments of the pre-modern world — devices that embody the Greek integration of theoretical mathematics with practical engineering
J_5_12 — Water Clocks: Clepsydrae and Ancient Timekeeping
The water clock — known by the Greek term clepsydra ("water thief") — was one of the most important timekeeping technologies of the ancient world, supplementing sundials by providing time measurement during the night, on
J_5_10 — Chinese Compass and Magnetic Navigation History
The magnetic compass — the first instrument to exploit an invisible natural force for practical human use — was a Chinese invention that underwent a centuries-long development from a ritual divination tool to the mariner
J_5_05 — Ancient Timekeeping Devices
The measurement of time — dividing the day, tracking seasons, and scheduling ritual observances — was a foundational technological challenge solved independently by civilizations worldwide using shadow, water, fire, and
J_4_09 — Bow, Crossbow, and Projectile Technology Evolution
Projectile weapons — tools that store and release energy to propel a missile at a target from a distance — represent one of humanity's most transformative technological lineages, extending from the earliest thrown stones
Q_1_15 — Dark Energy Models and Quintessence
The accelerating expansion of the universe, discovered in 1998 via Type Ia supernovae, demands an explanation. The simplest model — Einstein's cosmological constant Λ with equation of state $w = p/\rho = -1$ exactly — fi
Q_1_16 — History of Cosmology: Ancient to Modern
Cosmology — the study of the universe's origin, structure, and fate — is humanity's oldest intellectual pursuit and its most modern science. From the flat-earth mythologies of ancient Mesopotamia through the geocentric c
Q_1_18 — Loop Quantum Gravity: Discrete Spacetime and the Planck Scale
Loop Quantum Gravity (LQG) is one of two major approaches (alongside string theory) to the quantization of general relativity — the long-sought unification of quantum mechanics and Einstein's theory of gravity. LQG's fou
Q_1_03 — Ancient Cosmologies Compared: How Civilizations Understood the Universe
Every civilization on Earth constructed a cosmology — a model of how the universe began, how it is structured, and how it will end. What is remarkable is not the differences but the convergences: primordial waters as the
Q_4_20 — Catalysis: From Haber-Bosch to Asymmetric Synthesis
Catalysis — the acceleration of a chemical reaction by a substance (the catalyst) that is not consumed in the process — accounts for over 90% of all industrial chemical processes and has earned more Nobel Prizes than any
Q_3_06 — Solar Physics and Helioseismology
The Sun is the most thoroughly studied star, yet fundamental mysteries persist about its interior dynamics and outer atmosphere. Helioseismology — the study of solar oscillations — revolutionized solar physics by providi
INTERDOC_10 — Serpent-DNA-Consciousness Thread
The twin-serpent-on-axis motif appears across every major civilization without documented contact: the Gudea Libation Vase of Ningishzida (Louvre AO 190, ~2150–2120 BCE, Sumer), the Greek caduceus of Hermes (~8th century
INTERDOC_47 — Islamic Institutional Suppression: A Comprehensive Timeline of Knowledge Control By and Against the Muslim World
Suppression events in this timeline are categorized by mechanism: S-active (deliberate targeted action by an identifiable actor — book burnings, executions, physical destruction), S-structural (institutional gatekeeping
ZB_2_15 — Carnivorous Plants: Evolution, Mechanisms, and Ecology
Carnivorous plants — approximately 800 species across at least 12 independently evolved lineages — have evolved the capacity to attract, capture, and digest animal prey (primarily arthropods) to supplement nutrient acqui
ZC_1_01 — Social Psychology — Conformity, Obedience, and Group Dynamics
Social psychology examines how individuals think, feel, and behave in social contexts. Landmark experiments by Milgram (obedience to authority), Asch (conformity to majority opinion), and Zimbardo (situational power of r
ZC_1_07 — Behavioral Economics — Nudge Theory & Decision-Making
Behavioral economics integrates psychological insights into economic models of human decision-making, challenging the neoclassical assumption of perfectly rational "Homo economicus" and documenting systematic deviations
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