|TOPIC: Uses of cell phones | | | | | | | | |A cell phone has a plethora of uses‚ and one of them includes |
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FUEL CELL CARS Fuel Cell cars are a major part of the fleet of Zero-Emission Vehicles. The fuel cells are fueled with pure hydrogen and hence they are considered to be zero emission vehicles. Fuel cells have been used on spacecraft for many years to power electric equipment. These are fueled with liquid hydrogen from the spacecraft ’s rocket fuel tanks. Basic Mechanics Fuel cell vehicles turn hydrogen fuel and oxygen into electricity. The electricity then powers an electric motor‚ just like
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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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Cell Phones Are Here To Stay Today cell phones have become like an accessory that accents our wardrobes. Cell phones are used for far more than just phone calls anymore. Some may even argue that they have become a distraction‚ a nuisance‚ or annoying even. At the end of the day‚ most of the people that would make this claim prove to be hypocrites and own a personal cell phone their own. Almost anything needed is virtually at fingertips. This one device has brought communication to your fingertips
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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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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 as they move around. Cells give cell phones incredible range. Someone using a cell phone can drive clear
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Our cell phones are smart‚ very smart. They can help us answer questions in math and science‚ provide driving directions‚ give us a weather forecast‚ andenable us to talk or text with our friends and family‚ anytime‚ anywhere. We use them to make purchases when we shop. We download electronic books that can help with our homework or research. Cell phones are an integral part of our daily lives. We‚ both children and adults‚ carry them everywhere we go. Should students be allowed to have cell phones
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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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Lab 4: Cell Structures and the Gram Stain Purpose: The purpose of this lab is to familiarize the student with the use of a compound microscope and the Gram Stain test. Students will review a brief video and slides to introduce the compound microscope. Students will also view a video about the Gram Stain procedure and then answer questions related to it. Hypothesis If I look at the slides I will see where the cell wall is and what lies inside it and in the Gram Stain if I watch the video I will
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The 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
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