A magnetic field is invisible, but it can be detected using a magnetic compass. A compass contains a small bar magnet on a pivot so that it can rotate. The compass needle points in the direction of ...

Magnetic field close magnetic fieldAn area around a magnetic material or the moving electric charge through which the force of magnetism acts. lines can also be detected using a magnetic compass. A ...

Dancing turtles have proved for the first time that some animals use Earth's magnetic field to create a personal map of their favourite spots, scientists said on Wednesday. Some animals that migrate ...

On Earth, the magnetic field of our planet points a compass north, but in space, things are a bit more complicated. When you purchase through links on our site, we may earn an affiliate commission.

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