Monitoring Volcanic Eruptions with a Wireless Sensor Network Geoffrey Werner-Allen∗ ‚ Jeff Johnson† ‚ Mario Ruiz‡ ‚ Jonathan Lees‡ ‚ and Matt Welsh∗ University {werner‚ mdw}@eecs.harvard.edu † University of New Hampshire jeff.johnson@unh.edu ‡ University of North Carolina {mruiz‚ leesj}@email.unc.edu ∗ Harvard Abstract— This paper describes our experiences using a wireless sensor network to monitor volcanic eruptions with low-frequency acoustic sensors. We developed a wireless sensor array
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BBI20 Assignment#5 Opinion Essay on Inventions 1st March 2011 In my opinion‚ the most important invention of all time in the history of human civilization and enterprise is the internet. Why the internet? Simply because I believe this invention has made the world a better place. In almost everything we do‚ we need the Internet. Whether it is to look for a job‚ research for a project or even find love. The Internet is a dominant factor that plays an important role in our lives. We just simply cannot
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Cindy Denton Earth Science NASA Opinion Essay 4/12/13 Humans are inquisitive creatures by nature. Humans always want to know where they have been and where they can go. It started as simply migrating for food‚ and then advanced to sailing for slave labor and spices. Spices led to power struggles. Power struggles led to the birth of new countries‚ such as America. And even within America‚ there have been travels and migrations for everything from religion and race to gold and jobs. The biggest
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Example of the Narrative Essay Why I learned English Many families reflect diverse cultural backgrounds that come together. My family’s roots are intertwined with several ethnic and cultural backgrounds. My mother’s parents are American‚ but her ancestors are originally from England and Germany. My father’s mother is Peruvian‚ but his father is Egyptian. I grew up in Peru with my parents in a quiet neighborhood of Lima. My paternal grandparents lived down the street from us‚ but my maternal grandparents
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My article is about Republicans and Democrats not coming to an agreement on the spending plan for this year. One of the main part of their disagreement is Obamacare. My article also talks about what Obamacare is. The Obamacare will expand access to health care. Because of the government shut down more than 800‚000 government employees will not be working. But most important government workers will keep working. My article says that this is not the first government shutdown. The first government
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Sample essay Topic: Test anxiety causes university students to underperform in their examinations. Discuss. NOTE: The essay is in the left column. In the right hand column there are short notes indicating the various academic writing skills present in the essay. Essay | Comment | This essay examines the relationship between test anxiety in university students and their performance in examinations. Typically universities use examinations to test part or even all the knowledge of students‚ particularly
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the smart phones. Recently‚ smart phones are totally shifting the way we think about mobile phone. Mobile phones are not just tools for us to call or texting each other‚ they have a lot of gestures that facilitate us in our daily life. According to the research done by GO-Gulf.com in 2012‚ 80% of the world population today owns a mobile phone which is about 5 billion of mobile phones there are in the world‚ meanwhile 1.08 billion is smart phone. 89% of the users are using their smart phones throughout
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The Symbol of a Mockingbird Supported Opinion Essay Prejudice and racism are a part of living and people will always be confronted with it‚ but why are people hated or precluded? Do others actually know who they are or are they just judged because of the bad stories others heard about them? In the book To Kill a Mockingbird‚ Lee writes about this theme and she uses the mockingbird is a symbol. A mockingbird is a harmless bird that makes the world more pleasant. Mockingbirds are the innocent
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“The problem with educating stupid people was that they didn’t know they were stupid.” Lucky for me‚ I knew I wasn’t too smart in my early years. For starters‚ I couldn’t read at the beginning of first grade‚ and I understood that I’d need to work hard to get to where I needed to be. In second grade‚ I was at the bottom of my class in the number of math facts we could do in five minutes. After that I started to excel in my grades. Then in third grade I was one of seven fourth grade students to be
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December Essay For people today‚ Christmas is supposed to be a time of year when everyone can celebrate family‚ love‚ kindness‚ and peace. Christmas‚ though‚ has become more of a commercial holiday where everyone thinks about how much they can receive for the holidays. Christmas now-a-days has become about “what can someone buy me” instead of “what can I give my
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