Tuesday, May 6, 2008
LCD TV and HDTV Combination
Apart from offering the best value for money, LCD has the edge over plasma in several other key areas. LCDs tend to have higher resolution than plasmas of similar size, which means more pixels on the screen. If you are a true high-definition referrer who is keen to see every pixel of a high-definition image reproduced pixel-by-pixel then LCDs are always the way to go. However, top-of-the line plasmas will also display good pixel quality and content, so the choice isn't now as easy as it once was.
LCDs also use less power than plasma screens, generally saving around the 30% mark. LCDs are also generally lighter than similar sized plasmas, making them easier to move around or mount on the wall.
LCDs generally have a longer lifespan than plasma screens. This was true of earlier plasma models, that would lose half of their brightness after around 20,000 hours of viewing. Later plasma TVs have upped that up to anything between 30,000 and 60,000 hours. LCDs, on the other hand, are guaranteed for 60,000 hours from the start.
If you're in the market for a big screen television, the way to go would appear to be a plasma television. At the moment they are still the best for picture quality. Really though it depends on your budget and with LCD TV ‘s being less expensive it’s your preference, with these small differences to consider, choose one that suits your individual needs.
Technology?
Technology is a broad concept that deals with the usage and knowledge of tools and crafts, and how it affects the ability to control and adapt to the environment. In human society, it is a consequence of science and engineering, although several technological advances predate the two concepts. Technology is a term with origins in the Greek "technologia", "τεχνολογία" — "techne", "τέχνη" ("craft") and "logia", "λογία" ("saying").[1] However, a strict definition is elusive; "technology" can refer to material objects of use to humanity, such as machines, hardware or utensils, but can also encompass broader themes, including systems, methods of organization, and techniques. The term can either be applied generally or to specific areas: examples include "construction technology", "medical technology", or "state-of-the-art technology". Other species have also been observed to have created and used technology, including non-human primates, dolphins, and crows.
People's use of technology began with the conversion of natural resources into simple tools. The prehistorical discovery of the ability to control fire increased the available sources of food and the invention of the wheel helped humans in travelling in and controlling their environment. Recent technological developments, including the printing press, the telephone, and the Internet, have lessened physical barriers to communication and allowed humans to interact on a global scale. However, not all technology has been used for peaceful purposes; the development of weapons of ever-increasing destructive power has progressed throughout history, from clubs to nuclear weapons.
Technology has affected society and its surroundings in a number of ways. In many societies, technology has helped develop more advanced economies (including today's global economy) and has allowed the rise of a leisure class. Many technological processes produce unwanted by-products, known as pollution, and deplete natural resources, to the detriment of the Earth and its environment. Various implementations of technology influence the values of a society and new technology often raises new ethical questions. Examples include the rise of the notion of efficiency in terms of human productivity, a term originally applied only to machines, and the challenge of traditional norms.
Philosophical debates have arisen over the present and future use of technology in society, with disagreements over whether technology improves the human condition or worsens it. Neo-Luddism, anarcho-primitivism, and similar movements criticise the pervasiveness of technology in the modern world, claiming that it harms the environment and alienates people; proponents of ideologies such as transhumanism and techno-progressivism view continued technological progress as beneficial to society and the human condition. Indeed, until recently, it was believed that the development of technology was restricted only to human beings, but recent scientific studies indicate that other primates and certain dolphin communities have developed simple tools and learned to pass their knowledge to other generations.