The magnetic strip holds the information of your card.
magnetic force
Electrons produce a magnetic force that holds earth together and trees
The magnetic force of the Earth's gravity holds the Moon in it's orbit.
The magnetic strip on an ATM card is a black strip located on the back of the card that stores account information. When the card is swiped at a card reader, the information on the magnetic strip is read by the machine to authenticate the card and access the associated account.
If you're talking about soda cans you can't. They're aluminum, which isn't magnetic.
hardrive
A Blu-Ray DVD (50GB) holds more information than a DVD (4.7GB) which holds more information than a CD (700MB).
disk derive
disk derive
the interent holds about 5,000,000,000(five trillion) pages of information. the interent holds about 5,000,000,000(five trillion) pages of information.
DVD