| The ubiquitous cell phone has
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| | emit electromagnetic radiation. The fear
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| revolutionized the way people
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| | was that these devices were being held to
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| communicate. Communication has become
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| | close to an individual's head, and this
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| more efficient, and way more accessible.
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| | radiation could cause some form of brain
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| Gone are the days of searching for a pay
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| | cancer. In a 1999 study, investigators at
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| phone, and then searching for those
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| | the Orebro Medical Centre in Sweden
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| evasive quarters. Cell phones have
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| | compared the past mobile phone use of 209
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| evolved from a large, one-dimensional
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| | Swedish brain tumor patients and 425
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| device to its present multi dimensional,
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| | healthy people. The study found no mobile
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| small form. They keep millions of people
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| | phone/brain cancer link in virtually all
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| in touch with business, family and
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| | respects, cancer researcher John E.
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| friends. In addition, they are proven to
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| | Moulder, Ph.D., says. All the available
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| be very valuable during times of
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| | scientific evidence does not show that
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| emergency. Contemporary cell phones
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| | any health problems are associated with
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| perform many functions, access to the
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| | using wireless phones in adults,
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| Internet, access to streaming data, video
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| | children, and teenagers. In spite of
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| cameras, and entertainment. They are
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| | this, prudent precautions should be
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| clearly a great way to communicate, and
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| | exercised. These include taking measures
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| in some cases are replacing traditional
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| | to move the cell phone antenna at least
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| telephones.
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| | eight inches away from your head by using
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| In 1843 Michael Faraday did a series of
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| | hands-free sets, remote earpieces and
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| experiments that ultimately lead to the
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| | microphones, or installing radiation
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| underlining principals of today's cell
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| | shields for hand held phones.
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| phones. By 1947, a crude mobile phone was
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| | In spite of the unbelievable demand for
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| developed, and in 1977 cell phones went
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| | cell phones, it took cellular phone
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| public. The city of Chicago was where the
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| | service 37 years total to become
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| first service was started with around
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| | commercially accessible in the US,
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| 2000 subscribers. The term cell phone
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| | according to the Cellular
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| originated from the use of many base
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| | Telecommunications Industry Association.
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| stations to divide service areas into
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| | Today there are more than 60 million
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| multiple cells. These multiple cells
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| | customers with cell phones, in spite of
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| allowed for a wider range of coverage,
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| | the fact that wireless service was just
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| and a greater call volume. The 1980's saw
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| | developed nearly 50 years ago. The
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| a genuine proliferation of cell phone
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| | cellular business was a $3 million market
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| use, and by the 1990s analog signals were
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| | 25 years ago and has grown exponentially
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| being replaced by digital signals.
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| | to close to a $30 billion per year
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| Like televisions, computers, and all
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| | industry, and projections far exceed
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| other electrical devices, mobile phones
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| | those numbers.
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