The Technology Portal

Technology ("science of craft", from Greek τέχνη, techne, "art, skill, cunning of hand"; and -λογία, -logia) is first robustly defined by Jacob Bigelow in 1829 as: "...principles, processes, and nomenclatures of the more conspicuous arts, particularly those which involve applications of science, and which may be considered useful, by promoting the benefit of society, together with the emolument [compensation ] of those who pursue them" .

  • Principle is a term defined current-day by Merriam-Webster as: "a comprehensive and fundamental law, doctrine, or assumption", "a primary source", "the laws or facts of nature underlying the working of an artificial device", "an ingredient (such as a chemical) that exhibits or imparts a characteristic quality".
  • Process is a term defined current-day by the United States Patent Laws (United States Code Title 34 - Patents) published by the United States Patent and Trade Office (USPTO) as follows: "The term 'process' means process, art, or method, and includes a new use of a known process, machine, manufacture, composition of matter, or material."
  • Nomenclature is term defined by Merriam-Webster as: "name, designation", "the act or process or an instance of naming", "a system or set of terms or symbols especially in a particular science, discipline, or art" .
  • Application of Science is a term defined current-day by the United States' National Academies of Sciences, Engineering, and Medicine as: "...any use of scientific knowledge for a specific purpose, whether to do more science; to design a product, process, or medical treatment; to develop a new technology; or to predict the impacts of human actions."

The simplest form of technology is the development and use of basic 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.

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. Innovations have always influenced the values of a society and raised new questions of the ethics of technology. Examples include the rise of the notion of efficiency in terms of human productivity, and the challenges of bioethics.

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 criticize the pervasiveness of technology, arguing 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.

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Injection molding
Injection molding (British English: moulding) is a manufacturing process for producing parts by injecting material into a mold. Injection molding can be performed with a host of materials, including metals, glasses, elastomers, confections, and most commonly thermoplastic and thermosetting polymers. Material for the part is fed into a heated barrel, mixed, and forced into a mold cavity where it cools and hardens to the configuration of the cavity. After a product is designed, usually by an industrial designer or an engineer, molds are made by a moldmaker (or toolmaker) from metal, usually either steel or aluminum, and precision-machined to form the features of the desired part. Injection molding is widely used for manufacturing a variety of parts, from the smallest component to entire body panels of cars. Parts to be injection molded must be very carefully designed to facilitate the molding process; the material used for the part, the desired shape and features of the part, the material of the mold, and the properties of the molding machine must all be taken into account. The versatility of injection molding is facilitated by this breadth of design considerations and possibilities.

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The Trinity nuclear test, 16ms after detonation

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Plum Island

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Robert Oppenheimer
J. Robert Oppenheimer was an American physicist and the scientific director of the Manhattan Project, the World War II effort to develop the first nuclear weapons, at the secret Los Alamos laboratory in New Mexico. Known colloquially as "the father of the atomic bomb", Oppenheimer lamented the weapon's killing power after it was used to destroy the Japanese cities of Hiroshima and Nagasaki. After the war, he was a chief advisor to the newly-created Atomic Energy Commission and used that position to lobby for international control of atomic energy and to avert the nuclear arms race with the Soviet Union. After invoking the ire of many politicians and scientists with his outspoken political opinions during the Red Scare, he had his security clearance revoked in a much-publicized and politicized hearing in 1954. Though stripped of his political influence, Oppenheimer continued to lecture, write, and work in physics. A decade later, President Lyndon B. Johnson awarded him the Enrico Fermi Award as a gesture of rehabilitation.


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Jacques-Yves Cousteau

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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.


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Technological aspect of idea 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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