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 ...
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How do compasses really know where to point?
What seems like a simple little tool is actually reacting to forces most people never think about. The more you understand how a compass works, the cooler and stranger it gets. Should you shut down ...
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