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Frenchman Charles Coulomb initiated the quantitative studies of the magnetic phenomena.

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John Mitchell, He published the first book on making of steel magnets.

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Servington Savery, The production of the first compound magnet by binding together a number of artificial magnets with a common pole piece at each end.

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Nikola Tesla discovered that the magnetic field was forever rotating becoming the principle of alternating current

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Gowin Knight was the fist to sell artificial magnets to scientists

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scientists discover and probe x-rays and radioactivity

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MRI was invented and performed the first full body scan

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Invention of field coil loudspeaker, the field is produced by an electromagnet

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William Gilbert groundbreaking work of luminaries

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Discovery of the Magnetic loadstones