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K&J Magnetics - Credit Card Magnetic Stripe Testing
- Published_at:2013-12-30
- Category:Science & Technology
- Channel:KJMagneticsProducts
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- description: K&J Magnetics experiments with the magnetic stripe on a credit card. By moving a magnet nearby at various distances, we show magnetic fields that are OK, and those that can scramble or erase the data on a credit card magnetic stripe.
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