Capsule
DonateLog inCreate account
Menu

Navigation

  • Main page
  • Capsules
  • Learning
  • Mapping
  • Rankings
  • Organizations
  • Create
  • Forums
  • Research

Interaction

  • Messages
  • Verify
  • Help
  • About Capsule

Display

Appearance

Environment

EnvironmentsDefault
Capsule
Log in

Navigation

  • Main page
  • Capsules
  • Learning
  • Mapping
  • Rankings
  • Organizations
  • Create
  • Forums
  • Research

Interaction

  • Messages
  • Verify
  • Feedback
  • Help
  • About Capsule

Truth Classification

  • Fact
  • Theory
  • Hypothesis
  • Proven
  • Contested
  • Debunked
How classification works

Capsule of the Day

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

New in the Library

  • FactTardigrade
  • FactMonarch Butterfly
  • FactSpider

Capsule

© 2026 Solis Holdings Group Inc. All rights reserved.

Built by Solis Dev, a technology studio operating under Solis Holdings Group Inc.

  • Policy
  • Terms of Use
  • Methodology
  • Corrections
  • Non-partisanship
  • Transparency
  • Developers
  • About
  • Discord
  • Sitemap

Capsule, the capsule-pill mark, and the clock logo are trademarks of Solis Holdings Group Inc. All content, source code, and design assets are the exclusive property of Solis Holdings Group Inc., unless otherwise noted. Unauthorized reproduction is prohibited.

The library

Capsules

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

All1,028Fact599Proven130Theory89Hypothesis71Contested90Debunked48
geography236biology88physics67history54medicine45astronomy33psychology26mathematics26chemistry20engineering20astrophysics19neuroscience19anthropology18art18
Filtered byphysicsquantumClear all

Results

Showing 1 to 6 of 6

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
Hypothesis

Loop Quantum Gravity

An attempt to make gravity quantum by quantising spacetime itself, producing a picture in which space is granular and area and volume come in…

byCapsule0 votes0 reviewsAug 3, 2026
Hypothesis

The Holographic Principle

The proposal that everything happening inside a region of space can be fully described by information stored on its boundary, so that a volume of…

byCapsule0 votes0 reviewsAug 3, 2026
Proven

The Double-Slit Experiment

Send particles one at a time through two narrow openings and they build up a pattern that only waves can produce. Watch which opening each one goes…

byCapsule0 votes0 reviewsAug 3, 2026
Fact· Empirical

The Atom

The atom is the basic building block of ordinary matter, the smallest unit of a chemical element that retains its properties. Everything you can see…

byCapsule0 votes0 reviewsFeb 11, 2026