Portal:Technology

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Introduction

A steam turbine with the case opened. Such turbines produce most of the electricity used today. Electricity consumption and living standards are highly correlated. Electrification is believed to be the most important engineering achievement of the 20th century.

Technology ("science of craft", from Greek τέχνη, techne, "art, skill, cunning of hand"; and -λογία, -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, and the like, or it can be embedded in machines to allow for operation without detailed knowledge of their workings.

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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18 December 2018 –
Elon Musk opens the 1.6km-long Boring Test Tunnel in Hawthorne, California, which is designed to demonstrate technology that will transport cars at high speeds below the city. (BBC)

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Technological concepts and issues – Accelerating change • Appropriate technology • Diffusion of innovations in science • 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 • 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 • Automation • Automobile • Big Science • Biotechnology • Cartography • Communication • Construction • Design • Electronics • Energy development • Energy storage • Engineering (Chemical engineering, Civil engineering, Electrical engineering, Mechanical engineering) • Ergonomics • Firefighting • Food science • Forensics • Forestry • Free software • Health sciences • Health Informatics • Industry • Information science (Library and information science) • Internet • 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 • Weapons

ComputingComputer science (Open problems in computer science) • Information systemsInformation technologyProgrammingSoftware engineeringComputer engineeringMoore's law
Artificial intelligenceAutomated reasoningComputer visionEthics of AIHistory of AI (Timeline of AI) • Machine learning (Pattern recognition) • Natural language processingProgress in AISelf-driving vehiclesSymbolic AISynthetic intelligenceWeak AI
Artificial general intelligenceAI control problemExistential risk from AGI (Technological singularityIntelligence explosionSuperintelligenceAI takeoverHuman extinction?) • AI completeArtificial consciousnessFriendly AIInstrumental convergenceSingularitarianism
Transport –   Air transport (Aircraft, Airline, Airport) • Maritime transport (Harbors, Ports, Ships) • Off-road transportRail transport (Trains, Train track) • Road transport (Roads, Bridges, Tunnels, Vehicles) • Space transport


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Technology

Agriculture and agronomy • Astronomy • Biotechnology • Forestry • Hazardous materials • Lasers • Mining • Nanotechnology • Nuclear technology • Technology in Pakistan • PyrotechnicsWater purification
Computing and Information technology
Computer networking: BitTorrent • Ethernet • Internet (Semantic Web) • IRC
Computer programming: .NET Framework • C • Java • PHP • Python
Computer science: Artificial intelligence • Computer graphics (Computer-generated imager)
Computer security: Cryptography
Software: Accounting software • Adobe Flash • Adobe Systems • Android • Free and open-source software • Linux • .NET Framework • Software testing
Services: Social networking
Hardware: Blu-ray • Smartphone (BlackBerry)
Companies: Alphabet (Google, YouTube) • Amiga • Apple • AT&T • Microsoft • Samsung
Cryptocurrency (Bitcoin) • Mass surveillance
Electronics
Digital electronics • Electric motors • Telecommunication
Energy
Renewable energy
Solar energy (Photovoltaics)
Engineering
Civil engineering
Infrastructure (Bridges)
Robotics
Androids
Transport
London transport • Nautical (Lighthouses, UK waterways) • Spaceflight (Human spaceflight)
Air transport
Aviation • Aircraft • Airports
Road transport
Road vehicles
Bicycles/cycling • Buses • Cars (Australian, Ferrari, Japanese) • Trucks
Roads
Australian roads • Canada roads • U.S. roads (California roads, Maryland roads, Michigan highways, New York roads, Washington roads)
Rail transport
Trains (UK railways, North American railways, Railways in India, Railways in Pakistan, Sri Lanka Railways) • Trams (UK trams)

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Tracy Caldwell Dyson in the Cupola module of the International Space Station, observing the Earth below during Expedition 24. Caldwell Dyson is an American chemist and astronaut. She was selected by NASA in 1998 and made her first spaceflight in August 2007 on the STS-118 mission aboard Space Shuttle Endeavour.
Tracy Caldwell Dyson in the Cupola module of the International Space Station, observing the Earth below during Expedition 24. Caldwell Dyson is an American chemist and astronaut. She was selected by NASA in 1998 and made her first spaceflight in August 2007 on the STS-118 mission aboard Space Shuttle Endeavour.

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