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5 jan 1900 ano - In Baltimore, physicist Dr. Henry A. Rowland of Johns Hopkins University announces that he has discovered that the cause of Earth's magnetic field was its own rotation, based on experiments to produce magnetism by the rotation of a motor

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World History (WIP)

ByClaire the Bread Fascist
15 set 2023
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Data:

5 jan 1900 ano
Agora
~ 125 years ago
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