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Build a DIY magnetometer with a couple of seasoning bottles

nullbyte808 Saturday, November 29, 2025
Summary
This article discusses a DIY magnetometer project that allows users to hear the magnetic fields around them, enabling them to detect and visualize changes in the Earth's magnetic field. The project utilizes a simple circuit and a speaker to create an auditory representation of the magnetic environment, making it an accessible tool for science education and exploration.
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