development which would enventually produced the mobile phone. Motorola developed backpacked two-way radio‚ the Walkie-Talkie and a large hand-held-two way radio for the US military. This battery powered “Handie-Talkie was about the size of a man’s forearm. In December 1947‚ Douglas H. ring and W. Rae Young‚ Bell Labs engineers proposed hexagonal cells for the mobile phones in the vehicles. Philip To Porter also of Bell Labs‚ proposed that the cell Towers be at the corners of the hexagons rather than
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Cell Phones in American Society By: Nick Levatino Cell phones are a key essential for almost everybody today living in the twenty first century. Cell phones have effected American society in many positive ways‚ but also many negative ways. Cell phones and its industry has allowed the United States to be the biggest and leading country in the cell phone industry. From extensive research there has been many positive effects from cell phones and many negative effects from cell phones. Cell
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Why Cell Phones Are Not Dangerous Tonya Peters AIU Online Abstract Many people believe that cell phones are dangerous. The way you use your cell phone is what makes it dangerous. There are numerous things that make it dangerous to using cell phones and one of them if yourself. The way you as a person use your cell phone is what makes them dangerous for you or other people around you. Why Cell Phones Are Not Dangerous A lot of people today believe that cell phones are dangerous. It’s all about how
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“Largest Study on Cell Phones and Cancer Finds No Link”‚ Associated Press‚ Time‚ October 21‚ 2011 This article talks about how cell phones are not linked to cancer. According to Danish researchers‚ the biggest study ever consisting of 350‚000 people found no evidence of any link. This concluded that people who have used a cell phone for a decade don’t have different cancer rates than those who have not. Last year‚ a different study found no connection between cell phones and cancer. But
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Dangers of Cell Phones I am sure that most of you own cell phones and that you can’t leave your home without it. And that all of you think of cell phones as one of the most useful devices of our time. Despite all that‚ have you ever considered dangers of using cell phones or thought about the harmful effects of the microwave radiations? (Pause) Just 10 years ago‚ cordless telephones were something used only by big businesses and privileged persons‚ but Nowadays; it seems that every kid
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idea of a cell phone has been around since the nineteenth century. A cell phone is also referred to as a mobile phone‚ or a cellular device. The first cellular device was invented in 1973 by Martin Cooper. This mobile telephone was the size of a brick! Ever since this invention‚ the cell phone has become the most prevalent piece of technology. Nowadays‚ the majority of people in the world possess a cell phone. One country in particular that is very popular when it comes to cell phones is the United
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without cell phones!? How do you think it has affected the world today? The cell phone allows people to communicate with other people anywhere in the world with anyone they want at anytime. How you use the cell phone is what makes it a positive or negative impact on you‚ society‚ and the environment. A man named Martin Cooper invented it; he invented it because he wanted people to be able to carry their phones where ever they wanted. He invented it on April 3rd‚ 1973 in a Motorola Factory. A cell phone
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Cell Phone Radiation Written by: Jacob Nickerson Cell phone radiation is something we as consumers are exposed to each and every day. What effect does this have on us? Can this radiation alter the cell structures and functions of our bodies? For what amount of time can our bodies be exposed to this radiation without health risks? These are all questions many scientists and researchers are trying to answer with every day that passes. Researchers are divided on a conclusion of whether or not
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CELLULAR PHONES Each day something like 30‚000 people in the United States sign up for and start using a cellular phone. With a cell phone you can talk to anyone on the planet from just about anywhere (80% of the U.S. has coverage). A cell phone is really an extremely sophisticated radio. A cell phone is a duplex device which uses one frequency for talking and a second‚ separate frequency‚ for listening. A cell phone can communicate on 1‚664 channels and operate within cells. They can switch cells
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The Use of Cell phone Mobile phone use has become a very common phenomenon‚ and people mostly depend on cell phones for communication. The cell phone is probably the most accepted and widely used communication devices in nowadays. A mobile phone is a phone that can make and receive telephone calls over a radio link while moving around a wide geographic territory (Wikipedia). Cell phone has influenced people’s lives in many different ways: Provides communicate with friends‚ family‚ and coworkers
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