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Wednesday, 9 November 2011

What is science and technology

Technology is the making, usage, and knowledge of devices , machines, techniques, crafts, systems or methods of organization in order to solve a problem or perform a specific function. It can also refer to the collection of such tools, machinery, and procedures. The word technology comes from Greek τεχνολογία (technología); from τέχνη (téchnē), meaning "art, skill, craft", and -λογία (-logía), meaning "study of-".[1] The term can either be applied generally or to specific areas: examples include construction technology, medical technology, and information technology.
Technologies significantly affect human as well as other animal species' ability to control and adapt to their natural environments.
The human species' 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 vehicles helped humans in travelling in and controlling their environment. Recent technological developments, including the computers, the mobile phones, and the Internet, have lessened physical barriers to communication and allowed humans to interact freely on a global scale. However, not all technology has been used for the purpose of peace; the development of weapons of very 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.Lots of organization are criticising the pervasiveness of technology in the modern world, considering the fact that it harms the environment and alienates people. 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.
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