Follow the pic. You have made an electro magnet!!!! Thanks to my school for teaching me this!!!
DO NOT PUT THIS UP TO THE COMPUTER SCREEN OR IT WILL TURN PURPLE, SHUT DOWN, NOT REBOOT FOR ABOUT 5 HOURS, AND MAY DISABLE INTERNET. I AM NOT RESPONSIBLE FOR THAT. You will need a battery, nail, and about a foot of copper wire.
Step 1: The nail
Follow the pic. and make sure wire is wrapped so it is touching nail.