SCIENCE
'(<a href="http://www.j-archive.com/media/2007-02-02_DJ_29.jpg" target="_blank">Jimmy is in his Jeopardy! lab coat delivering the clue this time</a>) You can take a <a href="http://www.j-archive.com/media/2007-02-02_DJ_29a.jpg" target="_blank">simple nail</a>, coil wire around it, connect it to a battery, and turn it into this attractive 13-letter item'
an electromagnet