Communication Technology

Cell Phones

By: Summer Wells

Cellular Phones

• Cell phones are wireless phones that most people talk with today

• Most people own cell phones today instead of just house phones

History of the cell phones

• Michael Faradays study if space could conduct in electricity in 1843 lead to the development of cell phones

• The first person to communicate wirelessly was Doctor Mahlon Loomis in 1865

The first cell phone

• Now there are many different types and services of cell phones, but the first was the Motorola

• Martin Copper came up with Motorola in 1973

History

• In 1977 the first cell phone was made

• At first 2000 people were given a free trial of the new phone

• By 1988 over 54 places were making cell phones all over the world

History continued

• Dr. Copper made the first call on a cell phone was in April 1973

• The first call was between Dr. Copper and his rival Joel Engel

Risks of cell phones

• The cell phones gave off dangerous radiations

• After long term use some could develop brain cancer because of the radiations

• The dangerous radiation was like the radiation naturally in thunderstorms

More Risks

• It is still possible to develop health risks from using cell phones

• A lot of the times cell phones are the reasons for car accident

Bibliography

• www.inventors.about.com/library/weekly/aa070899.htm

• www.library.thinkquest.org/04oct/00047.historycell.htm

Bibliography 2

• www.library.thinkquest.org/04oct/02001/home.htm

• www.library.thinkquest.org/04oct/02001/safety.htm