Portal:Technology

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The Technology Portal

Technology (Greek technologia (τεχνολογία) < techne (τέχνη) "craft" + -ologia (-ολογία) "science or discipline") is the application of developments in science and engineering to benefit a group of humans, or humanity as a whole. Over two million years ago, human ancestors are believed to have used stone tools, one of the earliest examples of technology. Other early examples include the controlled use of fire, the use of clothing, and the development of agriculture.

These, and other technologies significantly affect how humans interact with the natural environment. Many important technological advances are related to transportation, some early examples being seaworthy boats, and the invention of the wheel. More recent examples include rail transport, automobiles, aviation, and spaceflight. Some technologies have improved our ability to interact and communicate with each other, such as the development of a written language, the printing press, the telephone, and most recently the Internet.

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A modern blueprint of the French galleon La Belle.

The blueprint process is essentially the cyanotype process developed by the British astronomer and photographer Sir John Herschel in 1842. The photosensitive compound, a solution of ferric ammonium citrate and potassium ferricyanide, is coated onto paper. Areas of the compound exposed to strong light are converted to insoluble blue ferric ferrocyanide, or Prussian blue. The soluble chemicals are washed off with water leaving a light-stable print.

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Credit: Larry McElhiney

The Curta is a small, hand-cranked mechanical calculator introduced in 1948. It has an extremely compact design, a small cylinder that fits in the palm of the hand. It can be used to perform addition, subtraction, multiplication, division, and, with more difficulty, square roots and other operations.

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Did you know...

... that the intensity of a tropical cyclone (pictured) is usually determined by the Dvorak technique using only visible and infrared satellite images?
... that Linimo in Aichi, Japan, claims to be the world's first commercial automated "Urban Maglev" train, but it has to be shut down when it is too windy?
... that the technique of double-balloon enteroscopy allows any position along the gastrointestinal tract to be visualized in real-time?
…the record for the longest manned spaceflight stands at 437.7 days, which was set by Valeriy Polyakov aboard Mir, from January 1994 to March 1995?
... that an electronic gear-shifting system for bicycles can shift faster than a traditional mechanical system and calibrate itself to minimize maintenance?

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Categories (all)

Main categories: Technology and Applied sciences

Agriculture & Agronomy • Architecture • Automation • Biotechnology • Blu-ray • Cartography • Chemical engineering • Communication (Media studies • Telecommunications) • Construction • Design • Digital divide • Earthquake engineering • Electronics • Energy • Ergonomics • Firefighting • Fire prevention • Forensics • Forestry • Industry • Information science • Information technology • Internet • Management • Manufacturing • Marketing • Medicine (Unsolved problems in neuroscience) • Metalworking • Microtechnology • Military science • Mining • Nanotechnology • Nuclear technology • Nutrition • Optics • Plumbing • Robotics • Sound technology • Technology forecasting • Tools

Computing: Artificial intelligence • Classes of computers • Companies • Computer architecture • Computer model • Computer science • Computer security • Computing and society • Data • Embedded systems • Free software • Human–computer interaction • Information systems • Internet • Mobile Web • Languages • Multimedia • Networks • Industrial Networks • Operating systems • Platforms • Product lifecycle management • Programming • Real-time computing • Software • Software engineering • Unsolved problems in computer science • More...

Electronics: Avionics • RF & MMIC Design • Circuits • Companies • Connectors • Consumer electronics • Digital electronics • Digital media • Electrical components • Electronic design • Electronics manufacturing • Embedded systems • Integrated circuits • Microwave technology • Molecular electronics • Water technology • Optoelectronics • Quantum electronics • RFID • Radio electronics • Semiconductors • Signal cables • Surveillance • Telecommunications • Terminology • More...

Engineering: Aerospace engineering • Bioengineering • Chemical engineering • Civil engineering • Electrical engineering • Environmental engineering • Materials science • Mechanical engineering • Nuclear technology • Software engineering • Structural engineering • Systems engineering

Transport: By country • Automobiles • Aviation • Cycling • Public transport • Rail transport • Road transport • Shipping • Spaceflight • Vehicles • Water transport

Technology timelines

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Topics (all)

Main articles: Technology and Applied science

Technological concepts and issues • Appropriate technology • Diffusion of innovations • Doomsday device • High technology • History of science and technology • History of technology • Industry • Innovation • Knowledge economy • Persuasion technology • Pollution • Posthumanism • Precautionary principle • Research and development • Strategy of technology • Superpowers • Technicism • 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 • Computer science (Computing, Programming, Software engineering, List of open problems in computer science) • Construction • Dentistry • Design • Education • Electronics • Energy development • Energy storage • Engineering • Ergonomics • Family and consumer science • Firefighting • Forensics • Forestry • Free software • Health sciences • Health • Industry • Information science • Information technology • Internet • Library and information science • Machines • Management • Manufacturing • Marketing • Mass communication • Mass production • Medicine (Unsolved problems in neuroscience) • Military science • Military technology and equipment • Mining • Nanotechnology • Nuclear technology • Nutrition • Packaging and labeling Processes • Robotics • Space exploration • Technology forecasting • Telecommunications • Tools • Transport • Vehicles • Weapons

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Glossaries (all)

Air pollution dispersion terminology • Blogging • Broadcasting • Computing and IT (Alternative terms for free software • Computer • Fisheries • Fuel cell terms • Internet • Legal terms • Object-oriented programming • Unified Modeling Language) • Firefighting (Equipment • Wildland fires) • Library and information science • Machine vision • Metalworking terminology • Mill machinery • Nautical • Telephony • Textile manufacturing • Transport (Aviation, aerospace, and aeronautics • Automotive design • Rail (Passenger rail • NZ railfan • UK railfan • U.S. railfan) • U.S. Trucking industry ) • Woodworking (Joinery) • Winemaking

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Related portals (all)

Technology and applied sciences

Agriculture • Agronomy • Architecture (Bridges, Portal) • Biotechnology • Electronics • Energy (Renewable energy) • Engineering • Hazardous Materials • Home improvement • Nanotechnology • Nuclear technology • Robotics

Information technology

Apple Inc. • Blu-ray • Computer networking (Internet, Forums, IRC) • Computer science (Artificial intelligence) • Computer security (Cryptography) • Google • Microsoft • Java • Python programming • Software (Free software, Linux) • Telecommunication • Typography

Transport

Aviation • Cars (Australian, Japanese) • Bicycles/Cycling • London transport • Nautical • Roads (U.S. Roads, Washington Roads) • Spaceflight (Human spaceflight) • Trains (UK Railways, Railways in India, UK Trams) • UK Waterways

Science: History of science Philosophy of science Systems science Mathematics Biology Chemistry Physics Earth sciences Technology

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Technology: Computing · Cryptography · Electronics · Engineer · Optics · Robotics · Telecommunications · Wireless

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Computer science, computing, and Internet topics

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Technology on Wikinews	Technology on Wikiquote	Technology on Wikibooks	Technology on Wikisource	Technology on Wiktionary	Technology on Wikimedia Commons
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