Mapping the Earth’s Magnetism.
Published In: Nautilus, 2025, n. 62. P. 20 1 of 3
Database: Academic Search Ultimate 2 of 3
Authored By: French, Kristen 3 of 3
Abstract
The article focuses on the historical discovery and development of magnetism and the magnetic compass. It recounts the legend of a shepherd named Magnes, who discovered magnetism around 1000 B.C. in northwestern Turkey, leading to the identification of magnetite. The article highlights the invention of the magnetic compass in China before 100 A.D., initially used for divination, and its later adoption for navigation in the 1200s. It also discusses the understanding of magnetic declination and early scientific theories about the Earth's magnetic field, culminating in the modern understanding that it is generated by molten iron in the Earth's core, while acknowledging that many aspects of this phenomenon remain unexplained. [Extracted from the article]
Additional Information
- Source:Nautilus. 2025/07, Issue 62, p20
- Document Type:Article
- Subject Area:Earth and Atmospheric Sciences
- Publication Date:2025
- ISSN:2372-1758
- Accession Number:186822211
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