How does a magnetic compass work? Well, it’s all down to basic physics and human ingenuity. The key component of a standard baseplate compass is its magnetized needle, which is allowed to spin freely ...
High voltage power lines can interfere with the ability of cows and deer to respond normally to the Earth's magnetic field, according to a team of European researchers that has been studying these ...
A magnetometer is a device that measures magnetism: the direction, strength, or relative change of a magnetic field at a ...
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