Electricity and Magnetism

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Benjamin Franklin (1706—1790) natural philosopher, writer, and revolutionary politician in America

Natural Philosophy (Science)


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  • Modern History (1700 to 1945)


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Before the Dane Hans Ørsted demonstrated experimentally in 1819 that electricity and magnetism are linked, people regarded them as two separate powers of nature, and the two sciences have completely ...

Subjects: Modern History (1700 to 1945).

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