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Compass spinning? Identify the real cause in seconds and fix it with a simple magnet test you can run at home.
Your phone’s compass isn’t “haunted”—it’s reacting to nearby magnets, metal surfaces, or stale calibration. In this episode, we show exactly how a phone magnetometer works, the top real-world causes of spinning or drifting headings, and a falsifiable 10-second magnet test you can run on any table. You’ll compare readings on wood vs. metal, refresh calibration with a slow figure-8, and check magnetic declination so “wrong” north stops being a mystery. Clear demos, step-by-step checks, and a simple fix you can repeat anywhere. Comment your results and we may feature your clip in a follow-up.
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Credit to : Lost Pages of Science