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.

Explorers have long trusted compasses to navigate Earth's land and oceans, using our planet's global magnetic field as their guide. But what happens when you take a compass beyond Earth - into ...

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 ...

Would a dramatic change in the Earth's magnetic field affect creatures that rely ... So they can sense it, but can they use it like we do a compass, to orient themselves? In another experiment ...

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 ...

Magnetic fields are fundamental to controlling the magnetization of materials. Under static or slowly varying conditions, a material's magnetization aligns with the external field like a compass ...

(Nanowerk News) Magnetic fields are fundamental to controlling the magnetization of materials. Under static or slowly varying conditions, a material's magnetization aligns with the external field like ...