1. How is electricity produced? The most simple way of producing static ekectricity is by rubbing or friction. When you rub two different kind of materials that are insulator‚ you can transfer electrons from one substance to another. Nowadays‚ to create electricity we use battery and generators. Voltage can be made by heart‚ light or mechanical pressure. http://science.howstuffworks.com/electricity-info2.htm 2. Where and how is electricity used? Electricity gives us ability to produce
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taking orders. Law enforcement and government agencies can order one for an expected mid-2014 release‚ and private jet pack enthusiasts (and who isn’t) can get on a waiting list for a possible 2015 purchase [source: Martin Jet Pack]. ROBOT MAIDS The most obvious answer to a complaint about the lack of robot maids is of course‚ ’Hey‚ buddy‚ go buy a Roomba.’ Because while they don’t really resemble George Jetson’s robotic maid Rosie‚ modern bots do carry out a host of floor vacuuming‚ tile scrubbing
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THE INVENTION OF PHOTOGRAPHY Before the invention of photography‚ images were painted by artists or were duplicated by using printing plates. An image made by a painter was unique of its kind and copies of it could not be produced. Similarly‚ printing was done by hand and it required a lot of time and skill. The need remained for a process to be invented that could produce images of fine quality as well as to duplicate them. This was achieved in the 19th century with the invention of photography
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The overuse of electricity affects the ecosystem in several ways. The overuse of electricity can lead to an increased carbon footprint‚ increased climate change‚ reduction in supply‚ and high energy costs. The abiotic factors that contribute are electricity‚ smoke‚ temperature‚ climate‚ and mining. The biotic factor that affects it is people. Leaving your laptop plugged in all the time will use up 300 kilowatts an hour each year. A natural consequence of overusing energy is increased costs for you
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when two pieces of rock rubbed against each other‚ but since then people started using it for their protection and heating and cooking purposes. Undoubtedly‚ these seem meaningless to us today‚ but consider life without these discoveries and inventions. Would you be able to enjoy the same quality of life without them? But the fact is that the emergence of necessities led man to explore further. As time passed‚ man realized other needs arising around him. After catering to his fundamental needs
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significant history can happen. This includes time period‚ people‚ type of event‚ and the achievement. An important time period was the Golden Age in Greece. The major achievement was government. The most significant person in history was Jesus Christ. A crucial event that happened was the plague. All four parts have paved the way to present day and has shaped modern civilizations. The most important time period was the Golden Age in Greece. Advances in philosophy‚ entertainment‚ and the arts helped
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Life without Electricity In today’s society humankind has become dependent on electricity to be able to live and function. So how would the world be if we couldn’t rely on electricity? There would be no TVs‚ factories‚ cars‚ or even phones. Without electricity we would have to go back to our great great great grandparents’ ways of living. To entertain themselves children would have to learn how to use their imagination. In a world without electricity there would be no video games to play or TVs
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Electricity is the set of physical phenomena associated with the presence and flow of electric charge. Electricity gives a wide variety of well- know effects such as lightning‚ static electricity‚ electro magnetic induction and the flow of electrical current. In addition‚ electricity permits the creation and reception of electromagnetic radiation such as radio waves. Electrical phenomena have been studied since antiquity‚ though advances in the science were not made until the seventeenth and eighteenth
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Ways to save electricity Nowadays many people have electricity‚ but they don’t know how to use it wisely. There is many way to save electricity. We must use electricity wisely. 1. Way is only use electricity when needed. 2. Replace all of your inefficient incandescent light bulbs with energy efficient CFL bulbs. Replace halogen spotlights with much more efficient and longer lasting LED Spotlight. 3. Hang your clothes out to dry rather than using an electric tumble dryer. Ideally use a spin dryer before
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Introduction It has been said throughout time that‚ necessity is the mother of invention‚ but what facilitates necessity in today’s modern society has become a vast gray area. As a society‚ we are use to‚ and so dependent on‚ such modern conveniences‚ as high-speed internet‚ cell phones‚ laptops‚ tablets‚ search engines‚ and GPS‚ so much so that we would not know how to function without them. The dependence on modern technology is making way for a whole generation that is incapable of doing anything
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