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Source & Tool Atlas
This atlas collects external tools and reference sources that make the wiki stronger. The goal is not to outsource the argument to authority, but to give readers places where predictions, public data, and independent observations can be checked. Sky and Time P...
Interactive Claim Lab Builder
The Claim Lab Builder turns a flat-earth talking point into a testable plan. Use it when a conversation starts with a meme, a vague suspicion, or a fast-moving pile of claims. How to Use It Choose a claim or write your own. State what the flat model pred...
Eratosthenes Shadow Experiment
This page turns one of the oldest Earth-shape measurements into a repeatable activity. The point is not that one ancient measurement settles everything; the point is that simple geometry can produce a planetary-scale prediction. Field Version Coordinate with ...
Solar Noon Longitude Challenge
Solar noon is an excellent claim-lab topic because it is predictable, repeatable, and independent of space imagery. Longitudes do not all face the Sun at the same time. The Challenge Choose two cities with very different longitudes. Before checking an almanac...
Satellite and Signal Reality Check
Satellite claims are useful because they leave public, practical traces: visible passes, radio signals, tracking predictions, customer services, weather imagery, timing systems, and amateur reports. Try a Visible Pass Use a satellite-pass prediction site such ...
Influencer Claim Lab
Flat-earth content on X tends to repeat a small number of claim patterns across different personalities. This lab treats those posts as prompts, not as enemies: state the claim, identify the implied model, ask what it predicts, and compare it with observations...
Flat Earth Dave's Clock App: Visualization vs Prediction
Flat Earth Dave’s Sun, Moon and Zodiac Clock app is one of the clearest flat-earth “model” artifacts because it gives people something visual to look at. That makes it valuable to examine fairly: the issue is not whether the animation is memorable, but whether...
Eric Dubay's 200 Proofs: The Repeated Claim Patterns
Eric Dubay’s “200 proofs” style is influential because it overwhelms the reader with quantity. The best response is not to answer 200 items as if each were independent. Many are variations of the same few mistakes. The Main Pattern The list repeatedly turns lo...
We See Too Far: Curvature, Refraction, and Hidden Amount
“We see too far” is one of the most common X-era flat-earth claims. It is popular because it uses real photos and videos, but the conclusion usually outruns the measurement. The Claim Distant buildings, mountains, boats, or shorelines are visible when a simple...
Local Sun Model: The Tests It Cannot Pass
The local Sun model tries to explain day and night by putting a nearby Sun above a flat Earth, often moving in a circle like a spotlight. It is visually simple, but it fails when asked to predict the sky from many places at once. Test 1: Sunsets If the Sun is ...
Flat Earth Influencer Themes and Direct Tests
This page is a quick index of recurring influencer themes and the most direct test for each one. ThemeCommon hookDirect testMain flaw Curvature denial“We see too far.”Measure observer height, target height, distance, refraction, and hidden bottom.Uses incomp...
Flat Map Distance Problem: Routes, South Hemisphere, and AE Projection
The most common flat-earth map is the north-pole azimuthal equidistant projection: the North Pole in the center, Antarctica around the outside. It is a real map projection, but a projection is not a world model. It preserves some relationships while distorting...
Mark Sargent's Dome and Antarctica Claims: Story vs Measurement
Mark Sargent-style flat-earth content is often persuasive because it feels like a mystery narrative: clues, barriers, hidden authorities, Antarctica, domes, and staged space. The problem is that a story is not yet a model. The Claim Pattern Earth is enclosed o...
Austin Witsit and Technical Cosmology: Aether, Stars, and Predictions
Austin Witsit-style arguments often sound more technical than meme-based flat-earth claims. They use terms like aether, geocentrism, epistemology, presuppositions, and anti-heliocentric critique. That makes them worth answering carefully. The Claim Pattern The...
Nathan Thompson's Street Claims: From Confrontation to Testable Claim
Nathan Thompson-style flat-earth activism often happens in public-facing, confrontational, or identity-driven formats: flyers, street conversations, Bible claims, NASA accusations, and “you’ve been lied to” messaging. The Claim Pattern Authority distrust is tr...
Flat Earth Society's Universal Acceleration: The Gravity Replacement Problem
Some Flat Earth Society material replaces gravity with “universal acceleration”: Earth accelerates upward at about 9.8 m/s², creating the feeling of weight. Many modern flat-earthers reject this, but it remains useful because it shows what happens when a flat ...
Printable Claim Lab Worksheets
This page collects printable resources for turning flat-earth posts, memes, debate clips, and influencer claims into structured investigations. The goal is to slow the claim down until it becomes testable. Interactive Worksheet Builder Use the builder below to...
Observation Log Templates
Observation logs make the site more than a reading experience. They let a visitor collect real evidence while preserving the details that make the evidence useful. Universal Observation Log FieldWhat to recordClaimThe exact sentence being tested.Date/timeInclu...