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How is a credit card reader related to magnetism?
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Jun 19, 2022
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How is a credit card reader related to magnetism?
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Mario Marinato
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The magnetic strip on a card can be 'written' or encoded with information because the tiny iron-based particles that make up the strip can be magnetized in different directions by a device that produces a strong magnetic field
FrancescoAzzola
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Jun 25, 2022
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