established the basic specifications for a next generation large capacity 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
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Meteorology 11 October 2013 Harmful UV Rays and Their Differences As we all know being over exposed to the sun and its harmful rays can be very dangerous for your skin‚ and may lead to skin cancer‚ but there are some UV rays that are more dangerous than others. Coming from the skin cancer stand point the most dangerous rays are UVB rays‚ they are the main cause of most skin cancers. Although UVB rays are the most harmful to our skin it has the second shortest wavelength coming in at 290-320
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Ultraviolet rays can be separated into three different wavelengths. UVA‚UVB and UVC. this way they can be differentiated due to their wavelengths and the amount of energy they contain. UVA contains the least amount of energy and a smaller wavelength. UV-A radiation passes the earth’s atmosphere almost unfiltered. As both UVB and UVA rays can be detrimental to our health‚ it is important that we protect ourselves. UVC contains the highest amount of energy and a bigger wavelength. When the uv rays enters
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The Lewis and Clark expedition ignited a period of expansion for the US. The enormous amount of new discoveries of all the new plant and animal species gave the United States a monopoly over certain products only found in the west. Ideas knowledge learned from the Indians influenced western medicine and helped shape diverse lifestyles‚ which provided the West with a much-needed break from the archaic ways of British living. The new geography discovered on the journey coaxed others to follow the expedition’s
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Lewis Latimer 			Lewis Howard Latimer was born in Chelsea‚ Massachusetts‚ on September 4‚ 1848‚ six years after his parents‚ George and Rebecca Latimer‚ had run away from slavery in Virginia. They were determined to be free and that their children be born on free soil. Because of his light complexion‚ George was able to pose as a plantation owner with the darker-skinned Rebecca as his slave. Shortly after arriving in Boston‚ Massachusetts‚ he was recognized as a fugitive and jailed
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Ray Parslow is a famous graphic designer and he loves his work. Ray enjoys working with a talented team who create designs for many different clients from large organisations‚ corporations and government departments‚ through to small businesses and charities. His work includes anything from designing business cards‚ logos‚ signage‚ posters‚ brochures or annual reports through to large-scale environmental graphics such as the Fox Studios’ site. A wide mix of interesting projects keeps his job exciting
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“Lewis and Clark Expedition”—An Integrated Learning Event Lesson #1: PowerPoint Teacher: Casey Lamping Subject: Social Studies Lesson Topic(s): Lewis and Clark Expedition PowerPoint Grade: 8th Learner Descriptions: 10 students: 4 girls‚ 6 boys Students with IEPs who require accommodations specified in the IEP: * 1-Auditory Processing Disorder (APD)‚ Tier 3 Reading Students without an IEP who have special needs: * 1-Gifted and Talented * 1-ELL * 1-Tier 2 Reading
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Edmonia Lewis and Henry Ossawa Tanner When considering art there are many elements involved in a work of art. The most important elements in art are the most obvious one ’s to see. Mary Edmonia Lewis and Henry Ossawa Tanner are two artists who have created art that speak to people in depth of their creativity and inspiration from others. Although these two artists study two different genres of art‚ both of these artists have great talent that has been recognized throughout the world. Mary Edmonia
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Ray Charles The Life and Legacy of a Genius Ray Charles was a revolutionary pianist and a soul singer who helped shape the sound of rhythm and blues. He brought a soulful sound to everything from country music to pop standards to "God Bless America." His birth name was Ray Charles Robinson‚ but he shortened it when he entered show business to avoid confusion with the famous boxer Sugar Ray Robinson. I chose Ray Charles as the topic for my paper after seeing the movie Ray. After
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Lewis and Clark Reloaded Case Study Directions: Go to this website: http://www.sciencecases.org/bicycle_ride/bicycle_ride.asp Complete the Answers to Parts I‚ II‚ and III Part I 1. What body systems are primarily affected and what physiological changes would you expect Joe and Frank to experience during such rigorous exercise? 1. The body systems that are primarily affected are the respiratory‚ circulatory‚ cardiovascular‚ and muscular systems. The changes that they would probably experience
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