Check your compass again – Earth’s north ... making predictions based on activity 3,000 miles away in Earth’s core. While the magnetic north pole is on the move, the south magnetic pole ...

A compass contains a small bar magnet on a pivot so that it ... The behaviour of a compass shows that the Earth has a magnetic field. The Earth's core, which is made from iron and nickel, produces ...

Bar magnets ... Earth's core contains liquid iron which moves around. Iron is magnetic so the liquid iron causes Earth to have a magnetic field. The needle of a compass is a small magnet that ...

Such reversals in the Earth's magnetic field, they'd tell you ... So hang on to your compass. For the foreseeable future, it should work as advertised.—Peter Tyson ...

The World Magnetic ... core causes the magnetic north pole to shift tens of miles per year. Because Earth's magnetic field is slightly asymmetrical and more complex than that of a regular bar ...

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 ...

Compass needles ... with The Times. Earth’s outer core is made up of mostly molten iron, a liquid metal. Unpredictable changes in the way it flows cause the magnetic field around the Earth ...