Is Earth’s magnetic field about to reverse polarity?
StenBlog
Earth’s magnetic field at the surface has been mapped for decades. This map provided by the British Geological Survey, shows basic polarity difference between the North and South Hemispheres. The magnetic field of Earth is shaped like the one you see in a toy bar magnet, but there is a very important difference. The toy … Continue reading Is Earth’s magnetic field about to reverse polarity? →