looping out from the Earth as they circle the globe and connect to the opposite pole. Because the current locations of both magnetic and geographic north are known, a simple adjustment allows the ...

Birds use Earth's magnetic field as sort of a heads-up display to help them navigate the globe. The Earth's magnetic field is a result of the movement or convection of liquid iron in the outer core.

And despite a lack of cables, the MOVA globe will spin almost indefinitely ... Like a compass, it actually relies on the Earth’s magnetic field to turn. As long as there’s ample light and ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Earth's north magnetic pole is on the move, unpredictably lurching away from the Canadian ...