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

In more serious fields where precise navigation is critical, every ship and aircraft will have a magnetic compass as an aid to its navigator. It’s true then, that a magnetic compass is a useful ...

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 orbit, ...

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 ...

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 ...

A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction ...

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 ...

This "nano-compass" allows the microbe to passively orient itself in Earth's geomagnetic field (Figure 2). These magnetic nanoparticles are synthesized by a specific set of proteins that are ...