RESEARCH BASE

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.

7 results for "XR"

Z_4_20 Verified Molecular Biology

Z_4_20 — Quorum Sensing in Bacteria

Quorum sensing (QS) is a chemical communication system used by bacteria to coordinate gene expression in response to population density — enabling single-celled organisms to exhibit collective behaviors that would be ine

quorum sensing autoinducer AHL AI-2 bioluminescence biofilm
G_1_14 Verified Modern Frameworks

G_1_14 — Archaeometry — Physical Science Methods in Archaeology

Archaeometry — the application of physical and chemical science methods to archaeological materials — encompasses a broad range of analytical techniques used to determine the composition, provenance, manufacturing techno

archaeometry XRF NAA ICP-MS Raman FTIR
D_5_13 Verified Sites & Artifacts

D_5_13 — Obsidian: Volcanic Glass in Technology, Trade, and Ritual

Obsidian — a naturally occurring volcanic glass formed when felsic lava cools rapidly with insufficient crystal growth — is one of the most important materials in human technological and cultural history. Prized for its

obsidian volcanic glass lithic technology obsidian hydration dating Çatalhöyük Mesoamerican obsidian
S_1_07 Verified Future Technology

S_1_07 — Virtual and Augmented Reality

Virtual reality (VR) creates fully immersive digital environments replacing the user's visual field; augmented reality (AR) overlays digital content onto the physical world; mixed reality (MR) blends virtual and physical

virtual reality augmented reality mixed reality VR AR XR
F_2_19 Verified Lost Connections

F_2_19 — Obsidian Trade Networks in the Ancient World

Obsidian — volcanic glass formed by rapid cooling of silica-rich lava — was the most extensively traded lithic material in the ancient world, coveted for its conchoidal fracture producing edges sharper than modern surgic

obsidian trade network sourcing XRF neutron activation Çatalhöyük
F_2_04 Verified Lost Connections

F_2_04 — Obsidian Trade Networks: Archaeological Tracers of Ancient Exchange

Obsidian — naturally occurring volcanic glass formed when felsic lava cools rapidly — was one of the most valued materials in the prehistoric world. Its conchoidal fracture produces the sharpest edges known (thinner than

obsidian obsidian sourcing XRF analysis neutron activation analysis Çatalhöyük Göbekli Tepe
F_4_32 Verified Lost Connections

F_4_32 — Obsidian Trade Networks: Volcanic Glass and Long-Distance Exchange

Obsidian — volcanic glass formed when felsic lava cools rapidly — was one of the most important raw materials in human prehistory, prized for its ability to produce the sharpest cutting edges known (fracture to edges of

obsidian trade networks volcanic glass sourcing geochemistry XRF