optical disc video recording format called "Blu-ray Disc". The Blu-ray Disc enables the recording‚ rewriting and play back of up to 27 gigabytes (GB) of data on a single sided single layer 12cm CD/DVD size disc using a 405nm blue-violet laser. By employing a short wavelength blue violet laser‚ the Blu-ray Disc successfully minimizes its beam spot size by making the numerical aperture (NA) on a field lens that converges the laser 0.85. In addition‚ by using a disc structure with a 0.1mm optical transmittance
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In the poem "The Weary Blues”‚ Langston Hughes describes an evening of listening to a blues musician in Harlem. “The Wear Blues” By: Langston Hughes Droning a drowsy syncopated tune‚ Rocking back and forth to a mellow croon‚ I heard a Negro play. Down on Lenox Avenue the other night By the pale dull pallor of an old gas light He did a lazy sway . . . He did a lazy sway . . . To the tune o’ those Weary Blues. With his ebony hands on each ivory key He made that poor piano
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Water is a chemical compound with the chemical formula H 2O. A water molecule contains one oxygen and two hydrogen atoms that are connected by covalent bonds. Water is a liquid at standard ambient temperature and pressure‚ but it often co-exists on Earth with its solid state‚ ice‚ and gaseous state‚ steam (water vapor). Water covers 71% of the Earth’s surface.[1] It is vital for all known forms of life. On Earth‚ 96.5% of the planet’s water is found in seas and oceans‚ 1.7% in groundwater‚ 1
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bottled water Industry established in the early 1980s as a result of a number of factors containing convenience‚ taste and fear about public drinking water. Along today’s importance on healthy living. Bottled water is seen as a natural and healthy beverage. However‚ the bottled water industry and the denationalization of water is linked to a number of social‚ economical and environmental durability issues. Bottled water can be an alternate source of clean‚ safe drinking water. Bottled water is actually
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Drinking too much water can lead to hyponatremia‚ water intoxication‚ water poisoning and death Liquid H2O is the sine qua non of life. Making up about 66 percent of the human body‚ water runs through the blood‚ inhabits the cells‚ and lurks in the spaces between. At every moment water escapes the body through sweat‚ urination‚ defecation or exhaled breath‚ among other routes. Replacing these lost stores is essential but rehydration can be overdone. There is such a thing as a fatal water overdose.
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Blue Jeans: Born to last Hardeep Singh Gill COMM171-341 Catherine Boote June 28‚ 2013 The article “Blue jeans: Born to last” by Leslie C. Smith was published in Globe and Mail in 1992. Smith gives the brief details and the history of world popular blue jeans. The main idea of the essay is that how blue jeans came into life and what does it represent. In 1980’s‚ during the time of gold rush‚ French cotton called denim came into being which replaced canvas and people called
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Applied Sociological Commentary of a Movie “Water” SOCI 150: Introduction to Sociology The movie “Water” by Deepa Mehta is based on cultural beliefs and religious practices in India in the late 1930’s. Chuyia eight years old girl is forced to enter a house for widows after learning that unknown to her husband has passed away. At the beginning of the movie she thinks that her mother will come to take her back home‚ but at the end Chuyia adapts pretty well to her new life style as a widow. In the
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The Spring Festival is a traditional festival for all Chinese people; since 1983‚ Chinese families have sat down to wrap dumplings and watch CCTV’s New Year’s Gala on television on Chinese New Year’s Eve. It’s a Chinese New Year’s Eve tradition that nearly every family in China participates in to ring in the New Year. It brings so much happiness to Chinese all around the world in the past twenty years. WHEN: For every year since then at the turn of the Lunar New Year‚ the program begins at 8:00PM
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Why has access to water been such an important? There is a lot of reason why‚ I will give you a few. Water was needed to feed the people farm life‚ water was important to keep one alive‚ and the most important‚ is water is used to grow plants and other material. How did ancient societies address the problems associated with harnessing these powerful resources? There were a lot of different ways to address the problems. Some use rules‚ maps‚ there were disputes‚ fights‚ and agreements were made
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Bottled water vs. tap water Water is an essential part to human life. We as humans need around eight to twelve cups per day to make up for the fact that throughout normal functions such as breathing and sweating we lose an average of ten cups per day. To make sure that we are healthy and everything runs properly‚ we must make sure we drink the right amount of water (msnbc.com‚ 2004). The one question when thinking about water is what type of water will you drink? The biggest controversy is bottled
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