Essay about mobile phones in english Posted on October 21, by Recommendations research paper sample review what is short essay jack paper essay topic beowulf. Writing basics essay formats essay about dieting volleyball sports elizabeth ii essay jack? Sample book review college topic essay format email tips for narrative essay free sample what essay questions bank. Computer essay advantage for class 9 essay topic sports my father's house.
Cellular cell phones first became widely available in the United States in the s, but their use has increased dramatically since then. Along with the large and still growing number of cell phone users both adults and childrenthe amount of time people spend on their phones has also risen sharply in recent decades.
Cell phones including smartphones give off a form of energy known as radiofrequency RF wavesso some concerns have been raised about the safety of cell phone use.
With respect to cancer, concern focuses on whether cell phones might increase the risk of brain tumors or other tumors in the head and neck area. How do cell phones work?
Cell phones work by sending signals to and receiving them from nearby cell towers base stations using RF waves. This is a form of electromagnetic energy that falls between FM radio waves and microwaves. Like FM radio waves, microwaves, visible light, and heat, RF waves are a form of non-ionizing radiation.
RF waves are different from stronger ionizing types of radiation such as x-rays, gamma rays, and ultraviolet UV light, which can break the chemical bonds in DNA. At very high levels, RF waves can heat up body tissues.
This is the basis for how microwave ovens work. But the levels of energy given off by cell phones are much lower, and are not enough to raise temperatures in the body.
How are people exposed? The RF waves from cell phones come from the antenna, which is part of the body of a hand-held phone. The waves are strongest at the antenna and lose energy quickly as they travel away from the phone.
The phone is typically held against the side of the head when in use.
The body tissues closest to the phone absorb more energy than tissues farther away. Many factors can affect the amount of RF energy to which a person is exposed, including: The amount of time the person is on the phone.
Whether or not the person is using the speaker mode on the phone or a hands-free device. Using one of these allows the phone to be held away from the head.
The distance and path to the nearest cell phone tower.The camera devices on the cell phones can come in handy also, if a student is absent a friend can take a picture of their work and send it to their friend to keep him/her updated with missing work.
Write your thesis statement for your "Cell Phones in Education" essay. 2/19/ 57 Comments Cell Phones should not be allowed in the classroom because of Cheating, it's Distracting to others, and it can cause Bad Grades. First person is not allowed in an argument essay.
Rephrase and say; Three reasons cell phones should not be allowed. Cell phones have been around for quite some time, but as time goes on, cell phones continue to gain many features. A cell phone started out as just a simple device that had only numbers, and most people used them for emergencies only.3/5(19).
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Advantages and Disadvantages of Mobile – Essay, Speech, Article, Paragraph Essay on Mobile. Mobile Phones were invented by Martin Cooper in but the mobile phones were brought into the market in the year The mobile phone is the most important method of communication of today, which makes it inevitable and inseparable part of our lives.
Nearly every person in the world has a mobile phone at this moment, using the many advantages this technology provides us.