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Great InventionsTelevision (1920s)The invention that swept the world and changed leisure habits for countless millions was pioneered by Scottish-born electrical engineer John Logie Baird. It had been realised for some time that light could be converted into electrical impulses, making it possible to transmit such impulses over a distance and then reconvert them into light.Motor Car (late 19th Century)With television, the car is probably the most widely used and most useful of all leisure-inspired inventions. German engineer Karl Benz produced the first petroldriven car in 1885 and the British motor industry started in 1896. Henry Ford was the first to use assembly line production for his Model Т car in 1908. Like them or hate them, cars have given people great freedom of travel.ElectricityThe name came from the Greek word for amber and was coined by Elizabeth I's physician William Gilbert who was among those who noticed that amber had the power to attract light objects after being rubbed. In the 19th century such great names as Michael Faraday, Humphry Davy, Alessandro Volta and Andre Marie Ampere all did vital work on electricity.Photography (early 19th Century)Leonardo da Vinci had described the camera obscura photographic principle as early as 1515. But it was not until 1835 that Frenchman Louis Daguerre produced camera photography. The system was gradually refined over the years, to the joy of happy snappers and the despair of those who had to wade through friends' endless holiday pictures.Telephone (1876)Edinburgh-born scientist Alexander Graham Bell patented his invention of the telephone in 1876. The following year, the great American inventor Thomas Edison produced the first working telephone. With telephones soon becoming rapidly available, the days of letter-writing became puter (20th Century)The computer has been another life-transforming invention. British mathematician Charles Babbage designed a form of computer in the mid-1830s, but it was not until more than a century later that theory was put into practice. Now, a whole generation has grown up with calculators, windows, icons, computer games and word processors, and the Internet and e-mail have transformed communication and information.AeroplaneThe plane was the invention that helped shrink the world and brought distant lands within easy reach of ordinary people. The invention of the petrol engine made flight feasible and the American Wright brothers made the first flight in 1903.A Modern Invention I Can’t Live Without(a personal computer)The come of the “digital decade”A lot of things have changed since the come of the “digital decade”. As we enter the era of modern inventions, people’s ideology of living becomes very different, in comparison as it was fifty years ago. We got used to such new things, which very help us in everyday life, people from the nearest past couldn’t even dream about. Nowadays many people can’t think their existence without such props of modern living as: huge screen TV-set and powerful multi-channel music system, tidal wave of sound from which crashes around the house, VHS/DVD/MP3-player and the Olympic-sized spa, Jacuzzi and power-shower etc. In this essay I would like to write about a modern invention personally I can’t live without.PC I can’t live withoutAs for me, I can’t imagine my life without a personal computer (PC). It is so fast, convenient and reliable to work on a PC. It helps me in solving many routine problems and not only. Computer is extremely multifunctional appliance. Either it is a complex calculation of some mathematical tasks or large text word processing, HiFi-quality music composing or high-definition video watching – computer is a very useful and labor-saving gadget. I study on my PC, entertain myself during the freetime. It is a great possibility to easily develop different skills yourself with the use of Internet, containing immeasurable amount of helpful information like encyclopedias, teaching programs, smart guides and much more. At all this is available only through the computer.Those old timesIt is very interesting how those people in 50’s lived without all this. At that time the word “computer” (electronic counting machine) sounded like something really mysterious and much-dreaded. People heard about them only by hearsay. Thus, there was no use for these great opportunities which PC gave. However, that time computers were so big in size that they could occupy the whole room that is inconceivable for our present time barebone-systems (small PCs which often resemble the main block of music systems, excluding speakers). It was a hard job of those computer system administrators who controlled these giants: using of punched cards that leaved much to be desired. Every command must be entered to the computer with thousands of punched cards, so that the whole process, for instance, A4-paper size text printing, took approximately an hour.The best is yet to comeWith this rapidly developing technological progress, the world will not stop on its achieved successes. I think that what we have here now, at least after several years will be called old-fashioned junk. This is what we all should take for granted. If I was asked to live without a computer I will refuse point-blank. In this case my pace of life can’t afford this decision. Our homes are filled with push-button entertainment and we can’t see in our mind’s eye what will be if we didn’t have it. Occasionally we should be afraid of these dependences, because doubtless people are leading their life in lazier way than it was in the past, loosing their possibilities to work and to show their worth in it. ................
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