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Technology ("science of craft", from Greek , ''techne'', "art, skill, cunning of hand"; and , ''-logia'') is the collection of techniques, skills, methods and processes used in the production of goods or services or in the accomplishment of objectives, such as scientific investigation. Technology can be the knowledge of techniques, processes, etc. or it can be embedded in machines, computers, devices and factories, which can be operated by individuals without detailed knowledge of the workings of such things. The human species' use of technology began with the conversion of natural resources into simple tools. The prehistoric discovery of how to control fire and the later Neolithic Revolution increased the available sources of food and the invention of the wheel helped humans to travel in and control their environment. Developments in historic times, including the printing press, the telephone, and the Internet, have lessened physical barriers to communication and allowed humans to interact freely on a global scale. The steady progress of military technology has brought weapons of ever-increasing destructive power, from clubs to nuclear weapons. Technology has many effects. It 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 Earth's 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 use of technology, with disagreements over whether technology improves the human condition or worsens it. Neo-Luddism, anarcho-primitivism, and similar reactionary movements criticise the pervasiveness of technology in the modern world, opining 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. Until recently, it was believed that the development of technology was restricted only to human beings, but 21st century scientific studies indicate that other primates and certain dolphin communities have developed simple tools and passed their knowledge to other generations. ==Definition and usage== The use of the term "technology" has changed significantly over the last 200 years. Before the 20th century, the term was uncommon in English, and usually referred to the description or study of the useful arts.〔For ex., George Crabb, (''Universal Technological Dictionary, or Familiar Explanation of the Terms Used in All Arts and Sciences, Containing Definitions Drawn From the Original Writers'' ), (London: Baldwin, Cradock and Joy, 1823), s.v. "technology."〕 The term was often connected to technical education, as in the Massachusetts Institute of Technology (chartered in 1861).〔Julius Adams Stratton and Loretta H. Mannix, Mind and Hand: The Birth of MIT (Cambridge: MIT Press, 2005), 190-92. ISBN 0262195240.〕 The term "technology" rose to prominence in the 20th century in connection with the Second Industrial Revolution. The term's meanings changed in the early 20th century when American social scientists, beginning with Thorstein Veblen, translated ideas from the German concept of ''Technik'' into "technology". In German and other European languages, a distinction exists between ''technik'' and ''technologie'' that is absent in English, which usually translates both terms as "technology". By the 1930s, "technology" referred not only to the ''study'' of the industrial arts but to the industrial arts themselves.〔Eric Schatzberg, ("''Technik'' Comes to America: Changing Meanings of ''Technology'' Before 1930," ) ''Technology and Culture'' 47 (July 2006): 486-512.〕 In 1937, the American sociologist Read Bain wrote that "technology includes all tools, machines, utensils, weapons, instruments, housing, clothing, communicating and transporting devices and the skills by which we produce and use them."〔Read Bain, ("Technology and State Government," ) American Sociological Review 2 (December 1937): 860.〕 Bain's definition remains common among scholars today, especially social scientists. But equally prominent is the definition of technology as applied science, especially among scientists and engineers, although most social scientists who study technology reject this definition.〔Donald A. MacKenzie and Judy Wajcman, "Introductory Essay" in ''The Social Shaping of Technology'', 2nd ed. (Buckingham, England : Open University Press, 1999) ISBN 0-335-19913-5.〕 More recently, scholars have borrowed from European philosophers of "technique" to extend the meaning of technology to various forms of instrumental reason, as in Foucault's work on technologies of the self (''techniques de soi''). Dictionaries and scholars have offered a variety of definitions. The ''Merriam-Webster Dictionary'' offers a definition of the term: "the practical application of knowledge especially in a particular area" and "a capability given by the practical application of knowledge".〔(【引用サイトリンク】 title=Definition of technology )〕 Ursula Franklin, in her 1989 "Real World of Technology" lecture, gave another definition of the concept; it is "practice, the way we do things around here". The term is often used to imply a specific field of technology, or to refer to high technology or just consumer electronics, rather than technology as a whole.〔(【引用サイトリンク】 title=Technology news )〕 Bernard Stiegler, in ''Technics and Time, 1'', defines technology in two ways: as "the pursuit of life by means other than life", and as "organized inorganic matter."〔 Stiegler has more recently stated that biotechnology can no longer be defined as "organized inorganic matter," given that it is, rather, "the reorganization of the organic." 〕 Technology can be most broadly defined as the entities, both material and immaterial, created by the application of mental and physical effort in order to achieve some value. In this usage, technology refers to tools and machines that may be used to solve real-world problems. It is a far-reaching term that may include simple tools, such as a crowbar or wooden spoon, or more complex machines, such as a space station or particle accelerator. Tools and machines need not be material; virtual technology, such as computer software and business methods, fall under this definition of technology. W. Brian Arthur defines technology in a similarly broad way as "a means to fulfill a human purpose". The word "technology" can also be used to refer to a collection of techniques. In this context, it is the current state of humanity's knowledge of how to combine resources to produce desired products, to solve problems, fulfill needs, or satisfy wants; it includes technical methods, skills, processes, techniques, tools and raw materials. When combined with another term, such as "medical technology" or "space technology", it refers to the state of the respective field's knowledge and tools. "State-of-the-art technology" refers to the high technology available to humanity in any field. Technology can be viewed as an activity that forms or changes culture. Additionally, technology is the application of math, science, and the arts for the benefit of life as it is known. A modern example is the rise of communication technology, which has lessened barriers to human interaction and, as a result, has helped spawn new subcultures; the rise of cyberculture has, at its basis, the development of the Internet and the computer.〔(【引用サイトリンク】 title=Defining Cyberculture )〕 Not all technology enhances culture in a creative way; technology can also help facilitate political oppression and war via tools such as guns. As a cultural activity, technology predates both science and engineering, each of which formalize some aspects of technological endeavor. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Technology」の詳細全文を読む スポンサード リンク
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