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DebunkedThe PolygraphThe instrument popularly called a lie detector, which records breathing, blood pressure, pulse and skin conductance dur…

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The library

Capsules

1,028 capsules, each one classified by the strength of its evidence.

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byTheoryphysicsClear all

Results

Showing 1 to 20 of 21

NewestMost votedA to Z
Theory

The Nuclear Shell Model

The description of the atomic nucleus in which protons and neutrons occupy quantised energy levels, filling shells in the way electrons do in an…

byCapsule
0 votes0 reviews
Aug 4, 2026
Theory

BCS Theory

The microscopic explanation of superconductivity in conventional superconductors, published by John Bardeen, Leon Cooper and John Robert Schrieffer…

byCapsule0 votes0 reviewsAug 4, 2026
Theory

Band Theory of Solids

The account of why some solids conduct electricity and others do not, in terms of allowed and forbidden ranges of electron energy created by the…

byCapsule0 votes0 reviewsAug 4, 2026
Theory· Scientific

Metamaterials

A metamaterial gets its properties from its structure rather than its chemistry. By arranging elements smaller than the wavelength of the wave…

byCapsule0 votes0 reviewsAug 3, 2026
Theory· Scientific

Quantum Field Theory

Quantum field theory is the framework that combines quantum mechanics with Einstein's special relativity to describe the fundamental particles of…

byCapsule0 votes0 reviewsJun 20, 2026
Theory· Scientific

The Standard Model of Particle Physics

The Standard Model is the theory that describes all the known elementary particles of matter and the forces that act between them, except for…

byCapsule0 votes0 reviewsJun 19, 2026
Theory

Crystallography

Crystallography is the science of crystals: how their atoms are arranged in orderly, repeating patterns, and how that hidden order gives crystals…

byCapsule0 votes0 reviewsJun 12, 2026
Theory

The Kinetic Theory of Gases

The kinetic theory of gases explains the behaviour of gases as the result of countless tiny particles, atoms and molecules, in constant, rapid,…

byCapsule0 votes0 reviewsJun 12, 2026
Theory

Acoustics: The Science of Sound

Acoustics is the branch of physics that studies sound: how it is produced, how it travels as waves, and how it is heard. It bridges science and art,…

byCapsule0 votes0 reviewsJun 11, 2026
Theory

Aerodynamics: How Flight Works

Aerodynamics is the study of how air flows around objects and the forces this creates. It is the science that explains how aircraft fly, how cars and…

byCapsule0 votes0 reviewsJun 11, 2026
Theory

Optics

Optics is the branch of physics that studies light: how it travels, how it interacts with matter, and how it can be controlled with lenses and…

byCapsule0 votes0 reviewsJun 11, 2026
Theory

Quantum Mechanics

Quantum mechanics is the branch of physics that describes the behaviour of matter and energy at the smallest scales, those of atoms and subatomic…

byCapsule0 votes0 reviewsJun 11, 2026
Theory

The Greenhouse Effect

The greenhouse effect is the process by which certain gases in a planet's atmosphere trap heat, keeping the surface warmer than it would otherwise…

byCapsule0 votes0 reviewsJun 11, 2026
Theory

Thermodynamics

Thermodynamics is the branch of physics concerned with heat, energy, and work, and how they transform from one form to another. Its laws are among…

byCapsule0 votes0 reviewsJun 11, 2026
Theory

Electromagnetism

Electromagnetism is the branch of physics that describes the forces between electric charges and the deep connection between electricity and…

byCapsule0 votes0 reviewsJun 11, 2026
Theory

Atomic Theory

Atomic theory is the idea that all matter is made up of tiny particles called atoms. It is one of the most important and successful ideas in all of…

byCapsule0 votes0 reviewsJun 11, 2026
Theory· Emerging

String Theory

String theory is a theoretical framework that attempts to unify all the forces and particles of nature, including gravity, into a single description.…

byCapsule0 votes0 reviewsJun 3, 2026
Theory

Dark Matter: The Leading Theoretical Framework for Missing Mass in the Universe

Dark matter is the leading theoretical framework proposed to explain gravitational effects observed in galaxies and galaxy clusters that cannot be…

byCapsule0 votes0 reviewsApr 19, 2026
Theory· Scientific

Special Relativity

Special relativity is the theory of space and time that Albert Einstein published in 1905. It revolutionized physics by showing that measurements of…

byCapsule0 votes0 reviewsApr 10, 2026
Theory· Mathematical

Chaos Theory

Chaos theory is the branch of mathematics that studies systems whose behaviour is exquisitely sensitive to their starting conditions. Such systems…

byCapsule0 votes0 reviewsFeb 17, 2026
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