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.
61 results for "Liu Hui" — page 1 of 4
U_2_11 — Landscape Painting: Shanshui, Hudson River, and the Natural Sublime
Landscape painting — the artistic representation of natural scenery — is among the most culturally revealing genres in the history of art, because the way a culture depicts nature reveals its deepest assumptions about th
V_1_12 — Chinese Mathematics History
Chinese mathematics developed independently over at least 3,000 years, producing remarkable achievements often centuries before their European counterparts. The Jiuzhang Suanshu (Nine Chapters on the Mathematical Art, co
ZH_1_14 — Roman Astronomy: Pliny, Manilius, and Imperial Star Observation
Roman civilization, despite its monumental achievements in engineering, law, and governance, made relatively few original contributions to astronomical theory — instead, Rome inherited, compiled, applied, and transmitted
C_5_39 — Feng Shui: Chinese Geomancy, Spatial Harmony, and the Built Environment
Feng shui (風水, literally "wind-water") is a Chinese system of spatial analysis and environmental design with roots extending back at least 3,500 years, aimed at harmonizing human structures and activities with the natura
E_4_16 — Cosmogenic Isotope Dating: Beryllium-10 and Exposure Ages
Cosmogenic nuclide dating (also called cosmogenic exposure dating or terrestrial cosmogenic nuclide, TCN, dating) is a geochronological method that determines how long a rock surface has been exposed at or near Earth's s
Q_2_12 — Cosmic Nucleosynthesis and Primordial Helium Abundance
Big Bang nucleosynthesis (BBN) — the formation of the lightest elements during the first ~20 minutes after the Big Bang — stands as one of the most remarkable quantitative successes of modern cosmology. With only one fre
G_3_03 — Mycelium Network
Mycorrhizal ("Wood Wide Web") nutrient-and-signal transfer between trees is Tier 1 established ecology (Simard 2021, Sheldrake 2020). Fungal computation and decision-making in organisms like Physarum polycephalum are Tie
P_5_21 — Stoicism: Epictetus, Seneca, Marcus Aurelius, and Ancient Resilience
Stoicism — founded by Zeno of Citium (~300 BCE) in the Stoa Poikile (Painted Porch) of Athens — is one of the most enduring philosophical traditions in Western history, arguably more influential today than at any point s
U_3_16 — East Asian Painting Traditions: Chinese, Japanese, and Korean Ink Arts
East Asian painting — encompassing the interconnected but distinct traditions of China, Japan, and Korea — constitutes one of the world's longest continuous artistic traditions, spanning over two millennia and developing
U_5_12 — Art Patronage: Medici, Mughal Courts, and the Economics of Culture
Art patronage — the financial, institutional, or social support of artistic production by individuals, courts, religious bodies, states, or corporations — has been the primary economic engine of art creation for most of
U_5_20 — Sacred Geography: Landscape, Pilgrimage, and Ritual Space
Sacred geography is the study of how human cultures invest physical landscapes with spiritual, cosmological, and mythological significance — transforming terrain into hierophanic space where the divine intersects the mat
U_4_08 — Garden Design & Sacred Landscapes
Gardens have served throughout human history as constructed intersections of nature, art, religion, and power — from the Persian pairidaeza (walled garden, the etymological root of "paradise") to Japanese Zen rock garden
X_5_02 — Medical Illustration and Anatomical Art
Medical illustration and anatomical art — the visual representation of the human body for scientific and educational purposes — is a discipline where art and science converge with extraordinary results. The ability to ac
X_5_11 — Medical Illustration: Visualizing the Body Across Centuries
Medical illustration — the art and science of creating visual representations of the human body, diseases, surgical procedures, and biological processes for education, research, and clinical communication — is a discipli
X_1_01 — History of Medicine: From Trepanation to Modern Surgery
The history of medicine spans from Neolithic trepanation (the oldest documented surgical procedure, ~7,000 BCE, with survival rates exceeding 70% in some populations) through the classical traditions of Hippocrates, Gale
W_4_13 — Aztec Empire: Tenochtitlan, Sacrifice, and Cosmovision
The Aztec Empire — more precisely the Mexica-led Triple Alliance (c. 1428–1521 CE) of Tenochtitlan, Texcoco, and Tlacopan — was the dominant political and military power in Mesoamerica at the time of the Spanish arrival.
W_1_22 — Hittite Empire: Detailed Analysis
The Hittite Empire (c. 1650–1178 BCE) was one of the great powers of the Late Bronze Age, dominating Anatolia (modern Turkey) and rivaling Egypt, Babylon, and Assyria as a peer kingdom in the international system of the
W_1_16 — Hittite Empire: Anatolia's Forgotten Superpower
The Hittite Empire (c. 1650–1178 BCE) dominated Anatolia and northern Mesopotamia for nearly five centuries, rivaling Egypt, Babylon, and Assyria as one of the Late Bronze Age's four "Great Powers." Operating from their
W_2_11 — East Asian Ancestor Veneration Systems
Ancestor veneration — the ritual maintenance of relationships with deceased family members through offerings, prayers, and commemorative ceremonies — constitutes the deepest continuous layer of East Asian religious pract
W_5_29 — San Agustín Archaeological Park: Megalithic Sculpture of Colombia
The San Agustín Archaeological Park in Huila Department, southwestern Colombia, is the largest group of megalithic funerary monuments and stone sculptures in South America. Designated a UNESCO World Heritage Site in 1995
BROWSE BY SECTION — 3,721 documents across 34 fields