Discover how sea turtles navigate the ocean using their internal GPS and learn about their magnetic field perception.

With modern GPS, we often don’t think too hard about how to navigate, but GPS does not work very well on the open sea. That is why modern ships are equipped with technology such as radar and a ...

These simple instruments were made from ... the needle on your compass should still be able to register Earth’s magnetic field and point you toward that spot in Canada. Beyond the outer edges ...

For the past 1,000 years or so, however, mankind has relied almost completely on the magnetic compass. The first written reference ... an inspection of the fleet’s compasses was made. Of 506 ...

Until the arrival of GPS, the magnetic compass was the single most useful navigational tool available to humans. But it’s a recent invention. Although Chinese explorers understood the principles of ...

The spoon-shaped instrument was placed on a cast bronze ... south orientation (the earth's axis) would become magnetic. These more refined needle compasses could then be floated in water (wet compass) ...

The needle will turn and then come to a complete stop. It will be facing magnetic north. You can check this by placing the compass next to the bowl. The needle is being affected by the Earth’s ...

Check your compass again — Earth’s north magnetic pole is moving toward Siberia. Since at least the early 19th century, Earth’s north magnetic pole has been situated in the Canadian Arctic ...