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New from Snet: Lithologs, a new tool to create lithological/sedimentological logs online..

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Three-dimentional magnetic field of the Earth

'Why won’t my compass work on the other side of the Equator?' This ELI helps pupils to understand the three-dimensional magnetic field of the Earth. The Earth’s magnetic field is three dimensional in the same way as the field of any magnet. It is because of the Earth’s 3D magnetic field that the magnetic needle of a compass has to be weighted so that it floats horizontally in one hemisphere; | Impressum