The switching of the poles can be studied in a tub of molten metal.

Every few hundred thousand years or so, the Earth’s north and south magnetic poles switch places. No one knows what triggers these geomagnetic field reversals, but a team in France has now reproduced them in the lab.

Read the story here.

The switching of the poles can be studied in a tub of molten metal.

Every few hundred thousand years or so, the Earth’s north and south magnetic poles switch places. No one knows what triggers these geomagnetic field reversals, but a team in France has now reproduced them in the lab.

Read the story here.