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In 1820, a physicist noticed a compass twitch near a wire, and electromagnetism changed science
In the year 1820, a pivotal moment in science emerged when Danish physicist Hans Christian Ørsted made an astonishing ...
Add Yahoo as a preferred source to see more of our stories on Google. How does a magnetic compass work: compass. How does a magnetic compass work? Well, it’s all down to basic physics and human ...
In 1820, Hans Christian Ørsted serendipitously discovered the link between electricity and magnetism during a classroom ...
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