Modelling the world's magnetism
People have been finding their way with compasses for many centuries, but the Earth's magnetism is a more complex business, and in most places a compass doesn't point exactly towards the North Pole. Brian Hamilton and Susan Macmillan explain how understanding our planet's changing mag...
| Main Authors: | , |
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| Format: | Article in Journal/Newspaper |
| Language: | English |
| Published: |
2011
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| Subjects: | |
| Online Access: | http://nora.nerc.ac.uk/id/eprint/14579/ https://nora.nerc.ac.uk/id/eprint/14579/1/spr11-magnetism.pdf |
| Summary: | People have been finding their way with compasses for many centuries, but the Earth's magnetism is a more complex business, and in most places a compass doesn't point exactly towards the North Pole. Brian Hamilton and Susan Macmillan explain how understanding our planet's changing magnetic field helps keep us facing the right direction. |
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