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Article: Fax machines: how does a fax machine transfer papers to another one? (light images not paper are transferred)(Science Letters)
- Article from:
- Highlights for Children
- Article date:
- November 1, 1997
- Author:
CopyrightCOPYRIGHT 1997 Highlights for Children, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Kathryn Davis, Age 13 Lynchburg, Virginia
A fax machine does seem to transfer pieces of paper, but it really transfers the images (such as words) by telephone from one piece of paper to another.
To understand how it works, imagine that a page of writing is divided into thousands of tiny bits. When you put the page into a fax machine, the machine moves a tiny beam of bright light across the page, line after line. Each line is much thinner than a line of words. For each tiny ...