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How safe are Mobile phones?

Extracts from this document...

Introduction

Hafsah Anwar PGS2 – Physics Coursework – Centre Number: 20006 – Candidate Number: 0702

Introduction

Mobile phones are becoming an essential business tool, a popular means of communication. In my report, I will be talking to you about mobile phone safety, then I will come to a conclusion based on my evidences and statistics.

Disadvantages

 Mobile phones have numerous advantages but they also bring some disadvantages.

  • Effects on health

The radiations of mobile phones are causing serious health hazards to the users. The mobile phone users are more prone to ear defects, headaches and blurring of vision[1].

This source is reliable because it is from the BBC website and the BBC website is not biased. It is valid because the article was published in 2005. This was a Swedish study carried out in 2002. Altogether 1249 people were surveyed, so it is reliable.

SAR values are an indication of how much heat is absorbed into the head. The more the value, the more heat absorbed. This graph shows the top 10 SAR values in Europe for mobile phones[2]:

Manufacturer

Model

SAR Rating W/Kg

Sony Ericsson

T650

1.80

Sony Ericsson

W880i

1.45

Nokia

E51

1.40

Sony Ericsson

W950i

1.35

Sony Ericsson

Z610i

1.32

Sony Ericsson

K810i

1.31

Sony Ericsson

W610i

1.31

Sony Ericsson

W660i

1.27

Sony Ericsson

K550i

1.25

LG & Nokia

KU250 + N5700

1.24

...read more.

Middle

Mobile phones increase the risk of having accidents while using on mobile phones. Driver distraction caused the deaths of nearly 6,000 people and the injuries of 500,000 people last year according to new government reports on auto safety[3].

Data produced from graph – in appendix.

image01.pngimage00.png

This graph shows that 7% of accidents from people using mobiles before the crash were caused by mobile phones. However, it also shows that those who never or occasionally use their mobiles while driving have a higher percentage crash rate. E.g. People who occasionally use their phone while driving have a percentage crash rate of 45.2%. This tells us that there is not a huge link between crashes and mobile phones.

This source is valid because the information published in 2005. The source is reliable as the three major telecommunication networks (Vodafone, Telstra and Optus) provided records of recent phone activity of participants.

  • Environmental Issues

Over a billion mobile phones were sold globally during 2006 – a 22.5% increase on the year before. Of the 140 million mobile phones disposed of during 2007, 126 million were just thrown away – only 14 million were recycled, an appalling 10% recycling rate[4].

The information on this site has been compiled from research and sources which are reliable and up to date.

Every year, one phone produces 50 tonnes of carbon dioxide, most of which comes from the charging from mains electricity[5]. To produce electricity, fossil fuels are needed. As a result of the electricity being used to charge phones, a lot of carbon dioxide is absorbed into the atmosphere which causes global warming.

This source is valid because the information was published in 2008. This source is also very reliable because it is not biased and is from an independent website.

Advantages of Mobile Phones

  • Health

Programs that deliver personalized text messages that help a person with dieting, remembering to take medications, or encouraging them to quit smoking are gaining in popularity[6].

This source is valid because the page was published in 2007. It is reliable because it is an independent website.

  • Social

The Pew Internet & American Life Project[7] found that 74% of Americans say they’ve used a mobile phone in an emergency. Some emergency agencies are encouraging cell phone users to put “ICE” (in case of emergency) in contact lists.

This source is valid because the information was published in 2006. It is reliable because the website is not biased and is independent.

  • Economic
...read more.

Conclusion

 - © Copyright 1999-2001 sarvalues.com

When People Use Mobiles When Driving

Number of drivers

Percentage that crashed

Before  Crash

72

7.7

Frequently Use

85

9

Sometimes Use

135

14.3

Never Use

296

31.5

Occasionally Use

425

45.2

3 http://www.bmj.com/cgi/content/full/331/7514/428 - published 12 July 2005 by BMJ publishers

4 http://www.mobilephonesandsafety.co.uk/environmental-impact-mobile-phones.html - Published 2008 by © Copyright MobilePhonesAndSafety 2000-2010

5 http://news.bbc.co.uk/1/hi/technology/3749739.stm - Wednesday, 26 May, 2004, 11:58 GMT 12:58 UK

6 http://www.cmch.tv/mentors/hottopic.asp?id=70 - © Center on Media and Child Health, 2007

7 http://www.pewinternet.org/Reports/2006/Americans-and-their-cell-phones.aspx - April 3rd 2006

http://www.o2.com/media_files/news_100504.pdf


[1]www.bbc.co.uk/go/pr/fr/-/1/hi/health/4432755.stm - Published: 2005/04/11   23:55:10 GMT

[2]http://www.sarvalues.com/copyright.html - © Copyright 1999-2001 sarvalues.com

[3]http://www.bmj.com/cgi/content/full/331/7514/428 - published 12 July 2005 by BMJ publishers

[4]http://www.mobilephonesandsafety.co.uk/environmental-impact-mobile-phones.html - Information collected in 2008.

[5]http://www.mobilephonesandsafety.co.uk/environmental-impact-mobile-phones.html - Published 2008 by © Copyright MobilePhonesAndSafety 2000-2010

[6]http://www.cmch.tv/mentors/hottopic.asp?id=70 - © Center on Media and Child Health, 2007

[7]http://www.pewinternet.org/Reports/2006/Americans-and-their-cell-phones.aspx - April 3rd 2006

[8]http://www.o2.com/media_files/news_100504.pdf

...read more.

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Here's what a star student thought of this essay

3 star(s)

Response to the question

A good essay with a range of points discussed. The candidate however lacks scientific depth to the question presented, although the points discussed are presented well under each sub-heading. The conclusion isn't very well done because it mentions different ...

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Response to the question

A good essay with a range of points discussed. The candidate however lacks scientific depth to the question presented, although the points discussed are presented well under each sub-heading. The conclusion isn't very well done because it mentions different sources rather than different opinions which makes the conclusion hard to follow. The conclusion reached is not adequate for the text provided or well reasoned.

Level of analysis

A clear introduction and layout although I wouldn't underline sub-bullet pointed headings. The writer does not have a clear concept of reliable and valid, as I would not describe the bbc website as a reliable or valid scientific source. Also, neither does the number of people being surveyed in a scientific test make it reliable just because there is a large sample size present. The writer does not also describe the significance of SAR and what this may mean for phone users. The article lacks scientific depth in places. The candidate provides a range of points under a variety of headings and discusses them well. The candidate uses graphs to support their text which is good for this level.

Quality of writing

Minor grammatical errors in places such as 'evidences.' Spelling, grammar and punctuation are otherwise fine. Layout as discussed above could have been improved


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