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BrainStuff

HowStuffWorks

Science & Medicine, Natural Sciences, Society & Culture, Technology

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Natural Sciences 4
Science & Medicine 11

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

How does a credit card's magnetic stripe work?

May 17th, 2010

Episode 623 of 1068 episodes

The magnetic stripe on the back of the card plays a key role in transactions made by credit card. Learn more about how these "mag stripes" work in this episode of BrainStuff.

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