In Cosmos: A Spacetime Odyssey, Michael Faraday’s experiment is shown as a major scientific breakthrough that revealed how motion can be converted into electricity. He discovered that when a magnet is moved through a coil of copper wire, it causes electrons in the wire to move, creating an electric current. This process is called electromagnetic induction, and it showed that a changing magnetic field can produce electricity. Faraday’s work demonstrated that electricity and magnetism are not sepa

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