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The Technology Portal

Technology is the practical use of science, including the making, modification or improvement, applied activity or behavior, use and knowledge of tools, machines, techniques, crafts, systems, methods of organization, or environmental modifications or arrangement in order to solve a problem, improve a preexisting solution to a problem, achieve a goal or perform a specific function. It can also refer to the collection of such tools, machinery, modifications, environmental arrangement and procedures. Technologies significantly affect human as well as other animal species' ability to control and adapt to their natural environments. The word technology comes from Greek τεχνολογία (technología); from τέχνη (téchnē), meaning 'art, skill, craft', and -λογία (-logía), meaning 'study of-'. The term can be applied either generally or to many specific areas, examples of which include construction technology, medical technology and information technology.

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 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 freely 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, 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. 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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history of biology
The history of biology traces the study of the living world from ancient to modern times. Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to ancient Egyptian medicine and the works of Aristotle and Galen in the ancient Greco-Roman world, which were then further developed in the Middle Ages by Muslim physicians and scholars such as Avicenna. During the European Renaissance and early modern period, biological thought was revolutionized in Europe by a renewed interest in empiricism and the discovery of many novel organisms. Prominent in this movement were Vesalius and Harvey, who used experimentation and careful observation in physiology, and naturalists such as Linnaeus and Buffon who began to classify the diversity of life and the fossil record, as well as the development and behavior of organisms. Over the 18th and 19th centuries, biological sciences such as botany and zoology became increasingly professional scientific disciplines. Naturalists began to reject essentialism and reconsider the importance of extinction and the mutability of species. Cell theory provided a new perspective on the fundamental basis of life. These developments, as well as the results were synthesized in Charles Darwin's theory of evolution by natural selection.

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A portion of the Granite Railway

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Colorado State Capitol

Featured biography

Albert Stanley, 1st Baron Ashfield
Albert Stanley, 1st Baron Ashfield (1874–1948) was managing director, then chairman of the Underground Electric Railways Company of London (UERL) from 1910 to 1933 and chairman of the London Passenger Transport Board (LPTB) from 1933 to 1947. At a young age, he held senior positions in the developing tramway systems of Detroit and New Jersey. In 1907, his management skills led to his recruitment by the UERL, which was struggling through a financial crisis. He quickly integrated the company's management and used advertising and public relations to improve profits. As managing director of the UERL from 1910, he led the take-over of competing underground railway companies and bus and tram operations to form an integrated transport operation known as the Combine. He was Member of Parliament for Ashton-under-Lyne from December 1916 to January 1920 and was President of the Board of Trade between December 1916 and May 1919. He returned to the UERL and then chaired it and its successor the LPTB during the organisation's greatest period of expansion between the two World Wars, making it a world-respected organisation considered an exemplar of the best form of public administration.


Selected quote

Jane Harman
Jane Harman, "Introduction of the "Select Agent Program and Biosafety Improvement Act of 2008" (2008)

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ISS March 2009.jpg
Credit: NASA

The International Space Station (ISS) is a habitable artificial satellite in low Earth orbit. A joint effort by NASA, the Russian Federal Space Agency, JAXA, ESA, and CSA, it is the ninth space station to be inhabited.


Technology categories

Main topics


Technological concepts and issues – Appropriate technology • Clean technology • Diffusion of innovations in science • Doomsday device • Ecotechnology • Environmental technology • High technology • History of science and technology • History of technology • Industry • Innovation • Knowledge economy • Persuasion technology • Pollution • Posthumanism • Precautionary principle • Research and development • Science, technology, and society • Strategy of technology • Superpowers • Sustainable technology • Technocapitalism • Technocriticism • Techno-progressivism • Technological convergence • Technological evolution • Technological determinism • Technological diffusion • Technological singularity • Technology acceptance model • Technology assessment • Technology lifecycle • Technology transfer • Technology Tree • Technorealism • Timeline of invention • Transhumanism

Technologies and applied sciences – Aerospace • Agriculture, Agricultural science & Agronomy • Architecture • Artificial intelligence • Automation • Automobile • Big Science • Biotechnology • Cartography • Chemical engineering • Communication • Computing (Computer science, List of open problems in computer science, Programming, Software engineering, Information technology, Computer engineering) • Construction • Design • Electronics • Energy development • Energy storage • Engineering • Ergonomics • Firefighting • Forensics • Forestry • Free software • Health sciences • Health Informatics • Industry • Information science • Internet • Library and information science • Machines • Management • Manufacturing • Mass communication • Mass production • Medicine (Unsolved problems in neuroscience) • Military science • Military technology and equipment • Mining • Nanotechnology • Nuclear technology • Packaging and labeling • Processes • Robotics • Space exploration • Technology forecasting • Telecommunications • Tools • Transport • Vehicles • Weapons


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