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.
2,700 results for "de Sitter space" — page 130 of 135
I_5_02 — Alien Abduction Phenomenon — Mack, Hopkins, and the Experiencer Debate
The alien abduction phenomenon — in which individuals report being taken against their will by non-human entities, subjected to medical/reproductive procedures, and returned with partial or no memory — emerged as a major
I_4_00 — Evidence Technology: Subfolder Summary
V_1_00 — History Cultural: Subfolder Summary
V_4_20 — Hypercomputation & Beyond-Turing Models
Hypercomputation refers to any model of computation that can solve problems beyond the theoretical capabilities of standard Turing machines — the abstract devices defined by Alan Turing in his landmark 1936 paper "On Com
V_3_04 — Combinatorics & Counting: Pascal's Triangle to Modern Applications
Combinatorics — the mathematics of counting, arrangement, and selection — is one of the oldest and most widely applicable branches of mathematics, with roots across multiple civilizations. Pascal's triangle — the triangu
V_2_00 — Pure Mathematics: Subfolder Summary
M_5_03 — Piri Reis Map and Cartographic Anomalies
The Piri Reis map is a fragment of a world map drawn on gazelle parchment by the Ottoman admiral and cartographer Piri Reis (Ahmed Muhiddin Piri) in 1513 CE, rediscovered in the Topkapi Palace library, Istanbul, in 1929.
M_5_07 — Impossible Ancient Maps of Antarctica: Critical Assessment
Among the most provocative claims in alternative history is the assertion that several medieval and Renaissance-era maps depict Antarctica — a continent not officially discovered until 1820 and not mapped until the 20th
M_5_10 — Controversial Datings: Sphinx, Bosnian Pyramids, Richat Structure
Three sites have become lightning rods for alternative dating controversies — each challenged by non-mainstream researchers who argue for dramatically older construction dates or non-standard interpretations, while mains
M_3_10 — Ancient Astronomical Precision: Were They Really That Accurate?
Claims of extraordinary astronomical precision in ancient monuments — temples aligned to specific stars, pyramids oriented to true north within fractions of a degree, megalithic sites encoding the 25,920-year precession
M_3_13 — Out-of-Place Artifacts Systematic Evaluation
Out-of-place artifacts (OOPArts) are objects found in archaeological contexts that appear anomalous — either too technologically advanced, too old, or too far from their expected geographic origin. This document systemat
M_3_01 — Impossible Precision in Ancient Construction
The Great Pyramid of Giza and Andean polygonal masonry demonstrate engineering precision that is VERIFIED, MEASURABLE, and often difficult to explain with proposed tool kits. These are not fringe claims — they are survey
M_3_04 — Ancient Mining and Tunneling Technology
Ancient mining and tunneling represent some of humanity's most technically demanding and dangerous engineering achievements, dating from Paleolithic flint mines (Grimes Graves, England, c. 3000 BCE; Spiennes, Belgium, c.
M_3_11 — Paleolithic Calendars: Marshack's Lunar Notation Hypothesis
In 1972, science journalist Alexander Marshack published The Roots of Civilization, arguing that series of marks engraved on Upper Paleolithic bone and antler artifacts — previously dismissed as random decorations or sim
M_3_16 — Geopolymer & Ancient Concrete Hypothesis
The geopolymer hypothesis proposes that some ancient stone structures — particularly the Egyptian pyramids — were constructed not by cutting, transporting, and stacking quarried blocks, but by casting artificial stone in
M_4_06 — Göbekli Tepe Pillar 43 — Comet Impact Encoding and the Vulture Stone
Pillar 43, also known as the "Vulture Stone," is one of the most elaborately carved pillars at Göbekli Tepe, located in Enclosure D of this 11,000+ year-old monumental site in southeastern Turkey. The pillar is carved wi
M_4_09 — Younger Dryas Impact and Lost Civilization Hypothesis
The Younger Dryas Impact Hypothesis (YDIH) proposes that a cosmic impact or airburst event approximately 12,800 years ago (12.8 ka BP) triggered the Younger Dryas cold reversal — a ~1,300-year return to near-glacial cond
M_4_08 — Sphinx Water Erosion Hypothesis
The Sphinx Water Erosion Hypothesis is the controversial geological argument that the Great Sphinx of Giza and its surrounding enclosure walls show erosion patterns consistent with prolonged exposure to rainfall (precipi
M_2_07 — Bosnian Pyramids — Claims, Excavations & Scientific Response
Since 2005, Bosnian-American businessman Semir Osmanagić has claimed that Visočica Hill near Visoko, Bosnia and Herzegovina, is an ancient man-made pyramid — the "Bosnian Pyramid of the Sun" — which he says is the larges
M_2_09 — Baalbek Trilithon and Megalithic Quarrying
The Trilithon of Baalbek — three colossal limestone blocks forming part of the podium (retaining wall) of the Temple of Jupiter at Baalbek (ancient Heliopolis) in Lebanon's Beqaa Valley — represents one of the most extra
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