You can walk into nearly any office in the United States today, big or small, hi-tech or lo-tech, and you will find a fax machine. Connected to a normal phone line, a fax machine allows you to transmit pieces of paper to someone else instantly! Even with FedEx and e-mail, it is nearly impossible to do business without one of these machines today.

In this edition of HowStuffWorks, you'll learn how a fax machine works its magic!