ISSN:
1476-4687
Source:
Nature Archives 1869 - 2009
Topics:
Biology
,
Chemistry and Pharmacology
,
Medicine
,
Natural Sciences in General
,
Physics
Notes:
[Auszug] MORE than seventy years ago, Balfour Stewart1, and later Schuster2, realized that the small regular daily oscillations of the compass needle were probably produced by electric currents in the upper atmosphere. The latter put forward a detailed quantitative theory, the 'dynamo theory', which ...
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1038/1701090a0
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