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.
14 results for "crossbow trigger"
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
D_3_06 — Terracotta Army — First Emperor's Eternal Guard
The Terracotta Army is a collection of approximately 8,000 life-sized clay soldier figures, 130 chariots, 520 chariot horses, and 150 cavalry horses buried in three major pit complexes adjacent to the mausoleum of Qin Sh
J_5_02 — Chinese Ancient Technology — Seismograph, Compass, Printing, Paper
Ancient China produced a series of technological innovations that preceded comparable European developments by centuries or millennia, fundamentally shaping global civilization. The "Four Great Inventions" — papermaking
J_5_11 — Chinese Ancient Inventions: The Technological Cornucopia
Ancient and medieval China produced an extraordinary range of technological innovations — many predating their European counterparts by centuries to millennia. The classic formulation identifies the "Four Great Invention
J_4_04 — Ancient Warfare Technology — Siege, Naval, and Chemical Warfare
Ancient warfare technology reveals engineering sophistication that challenges linear narratives of military progress. Greek fire — the Byzantine Empire's supreme naval weapon — remains one of history's most enduring tech
J_4_12 — Polynesian Navigation Canoes: Oceanic Vessel Engineering
The Polynesian double-hulled sailing canoe — waka hourua (Māori), wa'a kaulua (Hawaiian), vaka (general Polynesian) — was the vessel that made possible the most extraordinary feat of maritime exploration in human history
INTERDOC_04 — Catastrophe-Migration-Civilization Cycle
The archaeological and paleoclimatic record reveals at least five major catastrophe-migration cycles in the last ~75,000 years, each following a recognizable pattern: a sudden environmental shock (volcanic eruption, cosm
D_5_26 — Terracotta Army: Qin Shi Huang's Funerary Complex
The Terracotta Army — an estimated 8,000+ life-sized clay warriors, 130 chariots, 520 horses, and 150 cavalry horses — was buried circa 210 BCE to guard the tomb of Qin Shi Huang (259–210 BCE), China's first emperor, nea
F_1_09 — Austronesian Expansion: The Greatest Maritime Migration
The Austronesian expansion is the most extensive pre-modern maritime migration in human history, covering over half the globe — from Taiwan to Madagascar, Easter Island, Hawaii, and New Zealand — over approximately 5,000
F_1_17 — Austronesian Expansion: From Taiwan to Madagascar and Easter Island
The Austronesian expansion is the largest maritime diaspora in human history, spanning from Taiwan (c. 3500–3000 BCE) across the Pacific and Indian Oceans to ultimately reach Madagascar (c. 500–800 CE) in the west and Ra
F_1_13 — Lapita Culture and Pacific Colonization
The Lapita cultural complex (c. 1600–500 BCE) represents one of humanity's most remarkable episodes of maritime expansion — the colonization of the remote islands of the western and central Pacific by seafaring peoples w
F_2_03 — Sub-Saharan African Maritime and Trade Networks
Sub-Saharan Africa was deeply integrated into global trade networks for millennia, challenging Eurocentric narratives that portray the continent as isolated before European colonization. The Indian Ocean dhow trade conne
F_4_28 — Austronesian Expansion & Polynesian Navigation
The Austronesian expansion is the greatest maritime migration in human history — spanning from Taiwan (c. 3000 BCE) across Island Southeast Asia, Melanesia, and into the vast Pacific, ultimately reaching Madagascar (west
F_4_03 — Ancient Maritime Technology and Naval Knowledge
The history of maritime technology reveals that ancient civilizations achieved levels of nautical engineering and navigational skill far exceeding common assumptions. Phoenician sailors may have circumnavigated Africa ~6
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