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Magnetic pole, is the region at each end of a magnet where the external magnetic field is strongest. A bar magnet suspended in Earth’s magnetic field orients itself in a north–south direction. The side of bar magnet facing towards north pole is north pole of magnet. Similarly the other side facing south side is called […]
A team of European researchers compared the current state of Earth’s magnetic field with its tumultuous geological past, and found that the field’s current patterns of disturbance don’t resemble the same patterns that preceded previous pole reversals. Instead, the current field looks remarkably similar to situations 49,000 years and 46,000 years ago—when there was some […]
