constructed under the supervision of his father‚ Samuel. 1877 Dec. Demonstrates his cylinder phonograph at Scientific American office in New York. 1878 Oct. 26 Edison’s second son‚ William Leslie‚ is born in Menlo Park. 1878 Nov. 15 The Edison Electric Light Company is incorporated. 1879 Jan. 2 Begins construction of his first generator. 1880 Oct. 1 Begins the commercial production of electric lamps at the Edison Lamp Works in Menlo Park. 1882 Nov. Closes his Menlo Park laboratory and establishes a laboratory
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can go green. 1. Save energy to save money. * Set your thermostat a few degrees lower in the winter and a few degrees higher in the summer to save on heating and cooling costs. * Install compact fluorescent light bulbs (CFLs) when your older incandescent bulbs burn out. * Unplug appliances when you’re not using them. Or‚ use a "smart" power strip that senses when appliances are off and cuts "phantom" or "vampire" energy use. * Wash clothes in cold water whenever possible
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INTRODUCTION A ‘flash light’ usually called a ‘Torch’ is a hand-held electric powered light source. It caters the lighting needs of consumers. In the case of emergencies when light goes out‚ you are going to your way to phone; all you need is a flashlight or torch to illuminate your way. You may still need to fix things when the sun goes down‚ if you are building something or working on your car‚ flash lights can help you see what you are doing. When you go for a
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Running head: ENERGY CONSERVATION Energy Conservation Energy Conservation With energy a scarce resource people across the world need to look at lifestyle changes to protect it around the globe. From driving less‚ to turning off a light in a room that is deserted‚ there are simple steps that can be taken to aid the cause. Conservation methods take thought‚ commitment and changes in every day lives to make a difference. In order to conserve energy‚ consumers need to be aware of their
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There are two common meanings of the term "greenhouse effect". There is a "natural" greenhouse effect that keeps the Earth’s climate warm and habitable. There is also the "man-made" greenhouse effect‚ which is the enhancement of Earth’s natural greenhouse effect by the addition of greenhouse gases from the burning of fossil fuels (mainly petroleum‚ coal‚ and natural gas). In order to understand how the greenhouse effect operates‚ we need to first understand "infrared radiation". Greenhouse gases
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created the light bulb‚ phonograph‚ the movie camera and much more. These technologies like the light bulb are taken for granted because most of the world uses light from the basic light bulb‚ led‚ and flashlights. After numerous failures‚ Edison finally found the perfect material for the filament‚ thus replacing the lamps that used kerosene and oil . An additional source from http://www.livescience.com/43424-who-invented-the-light-bulb.html challenges who really created the light bulb stating that
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electricity. By simply going around a home and shutting off the lights a person can decrease the cost of their electricity bill. The nationwide average for electricity is roughly $0.10 per kilowatt hour (Trent1). A compact fluorescent light bulb will use about 20 watts per bulb while an incandescent light bulb will use 50-60 watts per bulb. Leaving four 20 watt CFL bulbs on for two hours will cost about 1.6 cents. The incandescent 60 watt bulbs would cost 4.8 cents for those two hours. Some homeowners
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century‚ electric companies were met with the task of maximizing the intensity of light bulbs as energy efficiently as possible. This was a newly emerging sector and no one at the time could fully explain the complete dependence of the intensity of black body radiation on its frequency/wavelength and body temperature. A black body is simply any physical body that absorbs all incident electromagnetic radiation (light). If at a constant temperature (thermal equilibrium) the black body will emit a characteristic
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Mr. President‚ As your advisor on energy policy‚ I believe it is important to inform you on the current status of global warming and of the energy crisis. I would also like to suggest changes in the current energy policy. Global warming can no longer be given a blind eye. Long-term observations in the last century or so reveal that the U.S. climate is changing rapidly. According to the National Assessment Synthesis Team’s U.S. Global Change Research Program in 2000‚ the average national temperature
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electricity savings would be……? Considering China’s current coal generation capacity‚ the average kilowatt need 400 grams of coal‚ but save a kilowatt of energy can reduce carbon emissions and protect the environment; Therefore‚ the use of LED tube light can not only save considerably large amount of
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