created such great innovations as the practical incandescent electric light bulb and the phonograph. A savvy businessman‚ he held more than 1‚000 patents for his inventions. 3.Thomas Edison rose from humble beginnings to work as an inventor of major technology. Setting up a lab in Menlo Park‚ some of the products he developed included the telegraph‚ phonograph‚ the first commercially practical incandescent electric light bulb‚ alkaline storage batteries and Kinetograph (a camera for motion pictures
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glass vessel filled with clear liquid; the wax rises and falls as its density changes due to heating from an incandescent light bulb underneath the vessel. The appearance of the wax is suggestive of pāhoehoe lava‚ hence the name. The lamps are designed in a variety of styles and colours. The underlying fluid mechanics phenomenon is a form of Rayleigh–Taylor instability. The bulb is normally 25 to 40 watts. Generally it will take 45–60 minutes for the wax to warm up enough to freely form rising blobs
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Many things these days are taken for granted and used with great liberty‚ but none more prevalent than the consumption of petroleum based fossil fuels worldwide. As stated in The International Energy Outlook 2006 (Energy Information Administration‚ 2006a)‚ "World oil consumption rose by about 1.2 million barrels per day in 2005‚ after an increase of 2.6 million barrels per day in 2004". Current projections indicate increasing demand for oil by the transportation sector‚ where there is currently not
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Is anyone concerned with what our world will be like in years to come? With the effects global warming is causing to the environment‚ it’s hard to say that our planet Earth will be the way it is today. Because we are concerned with our environment and the effects global warming is having on our environment‚ we should all be inclined to do what we can to help improve the future of our planet Earth. Through extensive research‚ I have learned what is in store for our environment along with simple things
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"So have you decided what you want to major in yet?" asked my high school counselor as I sat before her trying to decide what my class schedule would be like for the following year. I wasnt sure how to reply to such a question considering it was one of the most important questions I could ever answer that would direct my life to its development. I began thinking about all the classes Ive taken throughout high school and there was one class that really stuck. A class I took my junior year as an elective
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Importance of electrical services in buildings Electricity has been part of our lives. It has brought many things that surely have made many wonders and life would seem so hard without it. Electricity powers our light‚ heating‚ electronic appliances such as computers and television‚ and a host of essential services that we take for granted. However‚ electricity has much more important aspects because it is a fundamental feature of all matter. Electricity is the force that holds together the
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carbon dioxide‚ I think that this ten points are easy to make. Changing the lights‚ replacing one regular light bulb with the new compact fluorescent go green lights‚ can save 150 pounds of carbon dioxide per year‚ and this changes you can start in the place where you live‚ for example‚ my dad last year changed all the lights of my house to minimize costs in the invoice of the CFE‚ but actually we notice that this lights are‚ approved to be environmental and helping with the emissions of carbon dioxide
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Savannah Noss Period 1 3/2/13 APUSH Robber Barons‚ a term used in the late 1800’s and early 1900’s to describe a businessman who made an enormous amount of money‚ today we would call them billionaires. It was not really the fact they made a myriad of wealth‚ it was more the way they made it. In all the cases the acquiring of wealth was done in what was considered a ruthless manor and unscrupulous ways. A robber baron was more interested in acquiring wealth than the safety of his employees
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S.P.C. Statistical Process Control: GMS-401 F2013 In GMS-401 we study 2 types: 1. Inspection for variables —there is typically one dimension most indicative of QUALITY or lack of Quality of an item being studied for compliance to a Quality Standard. Here it is a dimension such as the contents of a jar of fruit jam‚ the size of a pair of shoes etc. These are called X-bar and R charts. One calculates X-bar-bar and R-bar averages and these are the centre lines of the SPC run-charts that will
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of Prism using Spectrometer and Various Light Sources Dimain‚ Marion; Gonzales‚ Jade; Pancho Jr.‚ Ronel; Viloria‚ Matthew David College of Engineering‚ University of the Philippines‚ Diliman‚ Quezon City 1101‚ Philippines msdimain@yahoo.com jadegonzales019@yahoo.com ronelpancho@yahoo.com tewhmat.liv@gmail.com Abstract The study aims to measure the refractive index of a triangular prism using a spectrometer‚ utilizing different gas discharge tubes as light source. With the use of the discrete spectrum
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