A light-emitting diode (LED) is a semiconductor light source.[6] LEDs are used as indicator lamps in many devices and are increasingly used for other lighting. Appearing as practical electronic components in 1962‚[7] early LEDs emitted low-intensity red light‚ but modern versions are available across the visible‚ ultraviolet‚ and infrared wavelengths‚ with very high brightness. When a light-emitting diode is switched on‚ electrons are able to recombine with holes within the device‚ releasing energy
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Develop a versatile invention business plan for use by invention hunts‚ licening agents‚ engineers‚ provisional patents‚ etc. See actual examples. Overview As an experienced inventor‚ I’ve learned that an idea is not perceived as a viable business opportunity until it can be effectively communicated on paper (or any other readable format). No matter how great your idea is‚ most people expect that you have it written down. When I was new to inventing‚ I had no idea what that meant. I searched
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Industrialization would not have happened so quickly if it wasn ’t for new inventions. Inventions made it easier for people to do their jobs and get them finished quicker. Many new inventions made during this time period where the spinning jenny‚ water frame‚ steam engine and locomotive. The inventors of these inventions were Jasmes Hargreaves‚ Richard Arkwright‚ Jame ’s Watt and Richard Trevithick. New ideas‚ methods‚ and machinery helped the Industrial Revolution go at a faster pace. The spinning
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Sarah E. Goode‚ born in 1855‚ was the first African American woman to receive a United States patent. Her invention was a cabinet bed. When the bed was not in use‚ the invention also functioned as a roll-top desk. During the time of its invention‚ people commonly lived in studios or small apartments. Most people did not have the space for bulky or large pieces of furniture because there was little space in there homes as it was. However‚ the cabinet desk was an ideal piece of furniture because it
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The Problems Caused by the Modern Inventions As one famous commercial says‚ “Technology always comes from humanity.” In this modern world‚ we have been counting on technology. It deprives us of our time and energy‚ although we can no longer live without it. Since it has made a huge impact on our lives‚ some negative effects caused by the technology are not irrelevant to us. Thus‚ as I have observed‚ the problems caused by the modern inventions are the distancing among people‚ the limitation of
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the most important technology evolutions‚ Greece and Rome both had an impact on technology evolution. Most of their inventions and discoveries are still used today. Throughout the history of Rome‚ the Romans intelligence served them well with inventions like aqueducts‚ bound books‚ money‚ newspapers‚ or even concrete. However‚ the same could be said about Greece. The Greeks inventions consisted of the water mill‚ alarm clock‚ and basics of modern science. Romans technology changed more drastically
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The Invention of the DVD Many people enjoy watching or listening to DVDs every day. Now people can see more than just the movie. They can enjoy many different special features or quickly go to a certain spot in the movie without having to rewind or fast forward. Many people do not know how this invention came to be. Who invented the DVD and how did they do it? What are the different types DVDs? The invention we enjoy today only exists because of the hard work of many people. The DVD was
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to compose the telegraph guided the development of telephones‚ television‚ and many other electronic based devices. Telegrams were sent to communicate transversely throughout the world and forever changed the way electricity was used. Before this invention‚ a simple letter or semaphore would have to suffice. In the 1830’s‚ the telegraph was first invented. The telegraph had high expectations as it was invented to communicate to help railroad signaling in Britain. (Morse Code and the Telegraph). Whenever
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One day Edison’s boss called him to his office. He asked him how much it would cost to buy his improvements. He wanted $6‚000 but his boss offered $40‚000! Edison bought a factory and started inventing. In 1871‚ Edison married Mary Stiltwell and had three children. In 1876‚ Edison moved out of Newark and into Meleno Park. In 1876 Alexander Bell invented the telephone and Edison improved it by making it battery powered. He then invented a lampback out of graphite and it made the signal clearer
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Do you think life is possible without mobiles? Absolutely not! Mobiles has now became an important part of our life. In fact it has virtually become a necessity for people everywhere. As many things have been developed‚ from year to year‚ century to century‚ the world has become more unique. But mobiles will always be a popular gadget in the world. However‚ it also has certain advantages and disadvantages. Now a days‚ mobiles are not only used for communication but for other reasons also. The
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