with the magnetosphere weakening so much that its polarity reversed. This flips the magnetic north and south poles, and the change can last for tens of thousands of years. Scientists have ...

Essentially, the north pole is transformed into the south pole and the south pole ... variable nature of the forces driving ...

If all the compasses in the world started pointing south rather than north, many people might ... of times in our planet's history the polarity of the magnetic shield ensheathing the globe has ...

that the polarity had been produced by the approach of the magnet. I now, however, brought a magnet into the shop, and presenting its south pole to the marked side—that is, to the north pole of ...

Every so often, our planet's magnetic poles reverse polarity (see When Compasses Point South). Compass needles have always pointed north; in a reversal, they would point south. You could perhaps ...

Satellites passing through this area often experience malfunctions, with systems crashing, data corruption, and equipment failure.