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Facts of the Matter | Hawaii News

Facts of the Matter: Rocks and night sky provide evidence of magnetic field

  • ASSOCIATED PRESS / 2017
                                The northern lights, or aurora borealis, are a stunning sight and also an indication of Earth’s magnetic field at work. The sky over Bifrost, western Iceland, glows with the lights.

    ASSOCIATED PRESS / 2017

    The northern lights, or aurora borealis, are a stunning sight and also an indication of Earth’s magnetic field at work. The sky over Bifrost, western Iceland, glows with the lights.

Using nothing but a compass as a navigational tool, ancient mariners from China to Sumer navigated the world’s oceans. Even in the modern age of GPS, the magnetic compass is an unfaltering navigational tool for seagoing vessels, airplanes and hikers on the ground. Read more

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