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.
84 results for "radio waves" — page 3 of 5
Q_4_02 — Gravitational Wave Astronomy
Gravitational waves — ripples in spacetime predicted by Einstein's general relativity (1916) and first directly detected by LIGO (Laser Interferometer Gravitational-Wave Observatory) on September 14, 2015 (event GW150914
Q_2_08 — Quasars and Active Galactic Nuclei
Quasars (quasi-stellar objects) and active galactic nuclei (AGN) are the most luminous persistent objects in the universe, powered by accretion of matter onto supermassive black holes (SMBHs, 10⁶–10¹⁰ M☉) at galaxy cente
Q_2_02 — Neutron Stars, Pulsars, and Extreme Physics
Neutron stars are the collapsed remnants of massive stars, packing 1.4 to approximately 2.1 solar masses into a sphere roughly 20 kilometers across — reaching densities of 10¹⁷ kg/m³, where a teaspoon of material would w
Q_2_01 — Black Holes, Singularities, and Information
Black holes are regions of spacetime where gravity is so extreme that nothing — not even light — can escape once it crosses the event horizon. Predicted by general relativity (Schwarzschild solution, 1916), regarded as m
Q_3_12 — Telescope Technology and Observational Cosmology
The history of astronomy is inseparable from the history of telescope technology, and each major advance in instrumentation has triggered transformative discoveries. Galileo (1609) turned a simple refracting telescope to
Q_3_16 — Cosmochemistry: Meteorite Analysis, Presolar Grains, and Solar Composition
Cosmochemistry is the study of the chemical composition of the universe and the processes that produced it, with a primary focus on the analysis of meteorites — extraterrestrial rocks that survive passage through Earth's
INTERDOC_54 — Vibration as Universal Information Substrate
Across physics, biology, and humanity's most enduring sacred and therapeutic traditions, vibration recurs as a fundamental information-bearing modality. The evidence: every biological tissue is mechanotransductive at som
ZB_5_19 — The Anthropocene: Human Dominance of Earth Systems and Epoch Dating
The Anthropocene — a proposed geological epoch defined by the dominant influence of human activity on Earth's geology, climate, and ecosystems — has become one of the most consequential and contentious concepts in modern
ZB_4_02 — Extremophiles and Extreme Biology
Extremophiles are organisms that thrive in conditions lethal to most life — extreme heat, cold, acidity, radiation, pressure, salinity, or desiccation. Their discovery has fundamentally expanded understanding of life's b
ZC_2_19 — World-Systems Theory — Wallerstein
World-systems theory, developed by Immanuel Wallerstein (1930–2019) beginning with The Modern World-System I (1974), provides a macro-sociological framework for understanding global inequality, economic development, and
G_1_18 — Acoustic Archaeology & Archaeoacoustics
Acoustic archaeology (archaeoacoustics) is the study of sound in past environments and the acoustic properties of archaeological sites, monuments, and artifacts. Emerging as a formal subdiscipline in the 1990s through th
G_1_19 — Acoustic Archaeology: Sound Mapping of Ancient Structures
Acoustic archaeology (archaeoacoustics) is an emerging interdisciplinary field that investigates the sonic properties of ancient structures, landscapes, and artifacts to understand how past peoples experienced and manipu
G_3_04 — Schumann Resonance & Frequency Claims
Schumann resonances (~7.83 Hz fundamental) are Tier 1 atmospheric physics — experimentally verified electromagnetic standing waves in the Earth-ionosphere cavity (Schumann 1952, Balser & Wagner 1960). The numerical coinc
G_3_07 — Cymatics — Visible Sound and the Physics of Vibration
Cymatics — from the Greek κῦμα (kyma, "wave") — is the study of visible sound patterns formed when a vibrating surface (plate, membrane, or fluid) organizes matter (sand, powder, liquid) into geometric configurations at
G_2_03 — Bayesian Reasoning and Archaeological Inference
Bayesian reasoning — the systematic updating of probabilities for hypotheses as new evidence is acquired — has transformed archaeology, chronology, and the evaluation of disputed historical claims since the 1990s. At its
O_4_07 — Natural Nuclear Reactors Oklo
The Oklo natural nuclear reactors are the only known locations where self-sustaining nuclear fission chain reactions occurred naturally — discovered in 1972 in the Oklo and Okélobondo uranium mines, Haut-Ogooué Province,
O_5_17 — Deep Time: Geological Chronology and the Scale of Earth History
Deep time is the concept that Earth's geological history extends across approximately 4.54 billion years — a scale so vast that human civilization occupies less than 0.00001% of it. First articulated by James Hutton in 1
D_5_04 — Pythagorean Harmony, Sacred Sound, and the Music of the Spheres
The Pythagorean discovery that musical harmony is governed by simple mathematical ratios (octave = 2:1, fifth = 3:2, fourth = 4:3) is one of the most consequential insights in intellectual history — the first demonstrati
Y_4_22 — Hypnagogic & Hypnopompic States
Hypnagogia (the transitional state between wakefulness and sleep onset) and hypnopompia (the transition from sleep to waking) are naturally occurring altered states of consciousness experienced universally by humans. Cha
Y_5_18 — Sensory Deprivation & Float Tanks
Sensory deprivation — the systematic reduction or elimination of external sensory input — has been studied scientifically since the 1950s, with two primary paradigms: chamber REST (Restricted Environmental Stimulation Te
BROWSE BY SECTION — 3,721 documents across 34 fields