the earth has a magnetic field that is essentially anchored by two poles -- magnetic north and magnetic south. A compass uses a magnetized needle that is constantly drawn to magnetic north.

Researchers at the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) have developed an innovative method ...

As Ron Merrill, a magnetic-field specialist at the University of ... So hang on to your compass. For the foreseeable future, it should work as advertised.—Peter Tyson ...

Earth’s magnetic field is generated by a 2,000 km thick ... [Fair use] Every former Scout will have learned how to take a compass bearing and relate it to a map. But do you remember learning ...

You can check this by placing the compass next to the bowl. The needle is being affected by the Earth’s magnetic field. One end points towards magnetic north and the other end points south.

Until the arrival of GPS, the magnetic compass was the single most useful navigational tool ... and birds—are able to orient themselves relative to the Earth’s magnetic field. Among mammals, naked ...