General Question

ilvorangeiceblocks's avatar

How do the electromagnets in credit cards work?

Asked by ilvorangeiceblocks (860points) March 6th, 2010

How do the electromagnets in credit cards work? How are they activated. etc.

Observing members: 0 Composing members: 0

1 Answer

Answer this question

Login

or

Join

to answer.

This question is in the General Section. Responses must be helpful and on-topic.

Your answer will be saved while you login or join.

Have a question? Ask Fluther!

What do you know more about?
or
Knowledge Networking @ Fluther