Magnetic field helps guard Earth and guides travelers
  • Saturday, November 17, 2018
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Magnetic field helps guard Earth and guides travelers

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 anunfaltering navigational tool for seagoing vessels, airplanes and hikers on the ground. Read More

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