The Case of Earth's Incredible Shrinking Field.
This paper describes how the Earth's magnetic field has been monitored by the use of hidden data in ship logbooks that navigated the planet's ocean during the 16th, 17th and 18th century. The results allowed building a remarkable picture of the earth's magnetic field behavior in the c...
Published in: | IEEE spectrum 43, 11(duplicate) (2006). |
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Format: | Article |
Language: | English |
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