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Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

823 results for "trapped ions" — page 30 of 42

W_2_02 Verified World Civilizations

W_2_02 — Angkor Wat, Khmer Cosmology, and Hindu-Buddhist Temple Mountains

Angkor Wat is the largest religious monument ever built — a 162.6-hectare temple complex in northwestern Cambodia, constructed under King Suryavarman II (r. ~1113-1150 CE) as a Hindu temple dedicated to Vishnu. It repres

Angkor Wat Angkor Thom Khmer Empire Cambodia Suryavarman II Jayavarman VII
W_2_21 Verified World Civilizations

W_2_21 — The Khmer Empire and Angkor

The Khmer Empire (~802–1431 CE), centered in present-day Cambodia, was one of the most powerful and spatially extensive states in Southeast Asian history, and its capital Angkor was the largest preindustrial city on Eart

khmer-empire angkor-wat angkor-thom jayavarman bayon hydraulic-city
W_2_15 Credible World Civilizations

W_2_15 — Champa Kingdom: Southeast Asian Hindu-Buddhist Maritime Power

The Kingdom of Champa (c. 192–1832 CE) was an Austronesian-speaking, Hindu-Buddhist maritime polity occupying the central and southern coast of modern-day Vietnam — a configuration that placed it at the crossroads of the

Champa Cham Vietnam central Vietnam Hindu Shiva
W_2_17 Verified World Civilizations

W_2_17 — Khmer Empire & Angkor Hydraulics

The Khmer Empire (c. 802–1431 CE), centered in modern Cambodia, was one of the most powerful and technologically sophisticated states in Southeast Asian history. Its capital, Greater Angkor, covered approximately 1,000 k

khmer-empire angkor-wat angkor-thom hydraulic-civilization baray water-management
W_2_09 Verified World Civilizations

W_2_09 — Ainu Mythology and Bear Ceremonialism

The Ainu are the Indigenous people of Hokkaido (northern Japan), Sakhalin, and the Kuril Islands, whose cosmological system centers on the concept of kamuy — divine spirits that inhabit all natural phenomena and voluntar

Ainu Hokkaido kamuy iyomante bear ceremony Okikurumi
W_2_28 Credible World Civilizations

W_2_28 — Gupta Empire: Classical India's Golden Age

The Gupta Empire (c. 320–550 CE) is widely regarded as the "Golden Age" of classical India — a period of extraordinary achievement in literature, science, mathematics, philosophy, art, and architecture that set the cultu

Gupta golden age Chandragupta I Samudragupta Chandragupta II Kalidasa
W_2_03 Verified World Civilizations

W_2_03 — Daoism and Chinese Alchemy

Daoism is one of the world's oldest continuous philosophical-religious traditions, originating in China by at least the 4th century BCE and likely much earlier. Its alchemical tradition encompasses both waidan (external

Daoism Taoism internal alchemy neidan waidan external alchemy
W_2_13 Credible World Civilizations

W_2_13 — Sogdian Civilization: Silk Road Merchants and Cultural Brokers

The Sogdians — an Eastern Iranian people centered in the fertile valleys of the Zerafshan and Kashkadarya rivers (modern Uzbekistan and Tajikistan — the cities of Samarkand and Bukhara) — were the quintessential merchant

Sogdiana Sogdian Silk Road Samarkand Bukhara merchant network
W_2_01 Verified World Civilizations

W_2_01 — Jōmon People and Pre-Yamato Japan

This document examines Jōmon People and Pre-Yamato Japan, a topic within the Global Traditions research area. Key areas of investigation include Chronological Framework, The Oldest Pottery in the World, Population and Se

Jōmon pottery cord-marked Ōdai Yamamoto dogū shakōki-dogū
W_2_12 Credible World Civilizations

W_2_12 — Khmer Empire Beyond Angkor: Jayavarman, Hydraulics, and Collapse

The Khmer Empire (c. 802–1431 CE) — centered in present-day Cambodia and extending across much of mainland Southeast Asia — was one of the most powerful and sophisticated civilizations in world history, yet its true scal

Khmer Empire Angkor Jayavarman VII hydraulic civilization baray LiDAR
W_2_11 Verified World Civilizations

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

ancestor veneration ancestral tablets spirit tablets zongci filial piety xiao
W_2_25 Verified World Civilizations

W_2_25 — Tocharian Civilization & Tarim Basin

The Tocharian civilization of the Tarim Basin (modern Xinjiang, China) represents one of the great puzzles of Indo-European studies: a population speaking the easternmost Indo-European languages — Tocharian A (Agnean) an

Tocharian Tarim Basin Kucha Khotan Indo-European Tarim mummies
W_2_16 Verified World Civilizations

W_2_16 — Srivijaya Maritime Empire

Srivijaya (c. 650–1377 CE) was a Malay Buddhist thalassocracy centered on the island of Sumatra (modern Indonesia) that dominated maritime trade across the Strait of Malacca and the South China Sea for over 500 years. At

srivijaya maritime-empire southeast-asia sumatra malacca-strait buddhism
W_5_14 Credible World Civilizations

W_5_14 — Mapuche Civilization: Resistance, Cosmovision, and Araucanian Culture

The Mapuche ("People of the Land") — also historically known by the Spanish term Araucanians — are an indigenous people of south-central Chile and southwestern Argentina who achieved something nearly unique in the histor

Mapuche Araucanian Chile Argentina resistance Arauco War
W_5_12 Credible World Civilizations

W_5_12 — Lapita Culture: Pacific Colonization and Pottery Horizon

The Lapita cultural complex (c. 1600/1500–500 BCE) was the foundational maritime culture that colonized Remote Oceania — transforming the Pacific from a barrier into a highway and ultimately giving rise to the Polynesian

Lapita Pacific Oceania colonization pottery Melanesia
W_5_04 Verified World Civilizations

W_5_04 — Sufi Mysticism and Islamic Esotericism

Sufism (Arabic: tasawwuf) — the mystical/esoteric dimension of Islam — represents one of humanity's most profound traditions of direct experiential knowledge of the Divine (ma'rifa/gnosis). While orthodox Islam emphasize

Sufism tasawwuf mysticism dhikr fana baqa
W_5_33 Credible World Civilizations

W_5_33 — Khazar Khaganate: Turkic Empire and Religious Conversion

The Khazar Khaganate (c. 650–1048 CE) was a major Turkic empire that dominated the steppe and steppe-forest region between the Caspian Sea, the Black Sea, the Caucasus Mountains, and the Volga River — controlling key seg

Khazar Khaganate Turkic Judaism conversion Caspian
W_5_03 Verified World Civilizations

W_5_03 — Mongol Tengrism and Central Asian Shamanism

Tengrism is one of the world's oldest continually practiced sky-god religions, centered on Möngke Tengri ("Eternal Blue Sky") as the supreme cosmic deity. Originating among the Turkic-Mongol peoples of the Central Asian

Tengrism Tengri Mongolia Genghis Khan Chinggis yurt
W_5_10 Verified World Civilizations

W_5_10 — Tamil Sangam Civilization and Dravidian Heritage

The Sangam period (c. 3rd century BCE – 3rd century CE, with literary traditions extending to ~5th century CE) represents the earliest extensively documented phase of Tamil civilization in southern India — a cultural, li

Sangam literature Tamil Sangam Dravidian ancient Tamil Tamilakam Chera
W_5_11 Credible World Civilizations

W_5_11 — Byzantine Empire: Constantinople, Orthodoxy, and East Roman Legacy

The Byzantine Empire (c. 330–1453 CE) — the continuation of the eastern half of the Roman Empire, centered on Constantinople (modern Istanbul, founded as Byzantium, refounded by Constantine I in 330 CE) — endured for ove

Byzantine Constantinople Eastern Roman Empire Justinian Hagia Sophia Theodora