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Revision as of 08:39, 6 July 2024
Vital articles is a list of subjects for which Wikipedia should have corresponding high-quality articles. It serves as a centralized watchlist to track the status of Wikipedia's most essential articles. This is one of the sub-lists of the fifty thousand article Vital articles/Level 5 and is currently under construction.
Articles in the Vital list have their assessments labelled as:
- Featured articles
- Former featured articles
- A-class articles
- Good articles
- Delisted good articles
- Failed good article nominees
- B-class articles
- C-class articles
- Start-class articles
- Stub-class articles
- List-class articles
- Unassessed articles
The progress bar is auto-updated via category count, and the symbols and article counts are updated daily by User:cewbot. Please read the FAQ before modifying the article list.
Quota 3,200 articles.
Total 3,190 articles.
Class | #Articles |
---|---|
FA | 20 |
GA | 78 |
A | 2 |
B | 676 |
C | 1,524 |
LIST | 9 |
FFA | 55 |
DGA | 75 |
Start | 827 |
Stub | 55 |
Unassessed | 1 |
General
This section contains 89 articles.
- Technology (Level 1)
- Applied science
- Appropriate technology
- Emerging technologies
- Innovation
- Invention
- Maintenance
- Miniaturization
- Problem solving
- Research and development
- Scientific instrument
- Simulation
- Technological convergence
- Technological determinism
- Technology adoption life cycle
- Technology and society
- Technology assessment
- Technology life cycle
- Technology transfer
Creativity, Vocational education, Intellectual property and Patent are listed in the Society and Social Sciences section; Industrial design in the Arts section.
For history of technology, see History#History of science and technology section.
Engineering
This section contains 70 articles.
Basics
This section contains 18 articles.
- Engineering (Level 2)
- Nanotechnology (Level 4)
- Nuclear technology (Level 4)
- Technical drawing (Level 4)
- Engineering ethics
- Risk management
- Engineering management
- Engineering design process
- Computer-aided design
- Engineering economics
- Engineering statistics
- Engineering research
- Reverse engineering
- Engineering studies
Disciplines
This section contains 52 articles.
- Agricultural engineering
- Applied mechanics
- Biological engineering
- Ceramic engineering
- Chemical engineering (Level 4)
- Civil engineering (Level 3)
- Electrical engineering (Level 4)
- Energy engineering
- Engineering physics
- Industrial engineering (Level 4)
- Mechanical engineering (Level 3)
- Military engineering (Level 4)
- Sanitary engineering
- Security engineering
- Software engineering (Level 4)
- Structural analysis
- Systems engineering
Agriculture
This section contains 236 articles. See Agriculture in the Society category; also see History of Agriculture and related articles under History, or the Everyday life category for basic agricultural products
Basics
This section contains 11 articles.
Academic disciplines
This section contains 11 articles.
- Agricultural science (Level 4)
- Agricultural chemistry
- Agricultural economics
- Agricultural philosophy
- Agricultural soil science
- Agroecology
- Agricultural policy
- Agricultural geography
- Agricultural education
- Agrometeorology
- Also see Agricultural engineering in the Engineering section
Forms
This section contains 54 articles.
Agriculture
This section contains 37 articles.
- Beekeeping (Level 4)
- Cuniculture
- Dairy (Level 4)
- Dryland farming
- Desert farming
- Heliciculture
- Rainfed agriculture
- Extensive farming (Level 4)
- Gardening (Level 4)
- Intensive farming (Level 4)
- Mechanised agriculture
- Orchard (Level 4)
- Organic farming (Level 4)
- Genetically modified crops
- Sustainable agriculture (Level 4)
- Permaculture
- Subsistence agriculture (Level 4)
- Urban agriculture (Level 4)
- Pastoralism
- Shifting cultivation
- Regenerative agriculture
- Animal-free agriculture
- Intensive animal farming
- Free range
- Hydroponics
- Sericulture
- Viticulture
- Fungiculture
- Olericulture
- Slash-and-burn
- Vertical farming
- Polyculture
- Sharecropping
- Tenant farmer
Aquaculture
This section contains 17 articles.
Pest and disease control
This section contains 26 articles.
- Aerial application
- Acaricide
- Agrochemical
- Agent Orange
- Aldrin
- Chemosterilant
- DDT
- Defoliant
- Fumigation
- Fungicide
- Herbicide
- Insecticide
- Lindane
- Malathion
- Methoxychlor
- Pest (organism)
- Pest control
- Pesticide (Level 4)
- Rodenticide
- Scarecrow
- Smother crop
- Soil steam sterilization
- Tetraethyl pyrophosphate
- Toxaphene
Buildings and infrastructure
This section contains 28 articles.
Animal husbandry
This section contains 21 articles.
Agronomy
This section contains 29 articles.
Basics
This section contains 4 articles.
Agronomical techniques
This section contains 15 articles.
- Nutrient management
- Fertilizer (Level 3)
- Harvest (Level 4)
- Irrigation (Level 4)
- Tillage (Level 4)
- Silage
- Sowing
- Postharvest
Soil and soil management
This section contains 10 articles. See "Pedology" in Earth Science
Horticulture
This section contains 22 articles.
- Horticulture (Level 4)
- Espalier
- Floriculture
- Grafting
- Layering
- Plant propagation
- Pollarding
- Pollination management
- Pruning
- Smudge pot
- Topiary
- Transplanting
- Basal shoot
- Pomology
- Companion planting
- Genetically modified tree
- Indigenous horticulture
- Urban horticulture
- Hardiness (plants)
- Drought tolerance
- Tropical horticulture
Hunting and fishing
This section contains 18 articles.
Trees and forestry
This section contains 5 articles.
Agriculture, labor and economy
This section contains 8 articles.
Agriculture and ecology
This section contains 3 articles.
Agricultural machinery and tools
See "Agricultural tools" and "Farm and Garden Machinery" in Technology : Machinery and tools
Biotechnology
This section contains 45 articles. See also : Selective Breeding in Agriculture; Fermentation in Biology
- Biotechnology (Level 3)
- Cell culture
- Genetic engineering (Level 3)
- Recombinant DNA
- Cloning (Level 4)
- Gel electrophoresis (Level 4)
- Polymerase chain reaction (Level 4)
- Western blot
- Cyborg
- Whole genome sequencing
- Tissue engineering
- Biochip
- De-extinction
- Genome editing
- Nuclear transfer
- Pharming (genetics)
- Biomimetics
- DNA microarray
- Micropropagation
- Biological hazard
- Bioterrorism
- Pharmacogenomics
- Biopharmaceutical
- Genetic testing
- Synthetic biopolymer
- Biomaterial
- Agricultural biotechnology
- Environmental biotechnology
- Bioreactor
- Gene therapy
- Stem-cell therapy
- Antisense therapy
- Organ printing
- Protein engineering
- Activated sludge
- Anaerobic digestion
- Bioleaching
- Biomining
- Somatic fusion
Communication, media, and computing technology
This section contains 725 articles. For abstract topics in computer science, see Mathematics: Theoretical computer science (Level 5)
Computing and information technology basics
This section contains 11 articles.
Computer science
This section contains 16 articles.
- Computer science (Level 3)
- Artificial intelligence (Level 3)
- Computer architecture (Level 4)
- Computer simulation (Level 4)
- Parallel computing (Level 4)
- Augmented reality
- Mixed reality
- Virtual reality
- Concurrent computing
- Floating-point arithmetic
- Real-time computing
- Computer graphics (computer science)
Computer architecture concepts
This section contains 27 articles.
- Cache (computing)
- Cache coherence
- Distributed computing
- Cloud computing
- Optical computing
- DNA computing
- Quantum computing
- Von Neumann architecture
- 8-bit computing
- 16-bit computing
- 32-bit computing
- 64-bit computing
- Endianness
- Multithreading (computer architecture)
- Multiprocessing
- Instruction set architecture
- System time
Computer security
This section contains 40 articles.
Computer hardware
This section contains 80 articles.
- Computer hardware (Level 4)
- Computer (Level 2)
- Booting (Level 4)
- Processor (computing)
- Motherboard
- Processor register
- Floating-point unit
- Graphics processing unit
- Arithmetic logic unit
- Digital signal processor
- Bus (computing)
- Expansion card
- Modem
- Device driver
- Intel High Definition Audio
- Moore's law
- Clock rate
- Embedded system
- Real-time clock
- Computer case
- Computer cooling
- Analog computer
- Stored-program computer
- Hardware acceleration
- Plug and play
User interface
This section contains 25 articles.
Computer software
This section contains 37 articles.
- Software (Level 4)
- Application software
- Database (Level 4)
- Emulator
- Media player software
- Mobile app
- Open-source software (Level 4)
- Spreadsheet (Level 4)
- System software
- Web application
- Web browser (Level 4)
- Word processor (Level 4)
- Desktop publishing
- Plug-in (computing)
- POSIX
- GNU Project
- Input method
Operating systems
This section contains 16 articles.
Data storage and memory
This section contains 77 articles.
For units of information (bit, byte, megabyte, etc.), see Physical sciences/Basics and measurement
- Computer file (Level 4)
- Backup
- Barcode (Level 4)
- File system (Level 4)
- Directory (computing)
- Filename extension
- Data storage (Level 4)
- RAID
- Disk partitioning
- Computer memory
- Binary file
- Text file
File format
This section contains 26 articles.
- File format
- Archive file
- Document file format
- Image file format
- Audio coding format
- Video coding format
- Container format
Volatile memory
This section contains 5 articles.
Non-volatile memory
This section contains 23 articles.
Networks
This section contains 70 articles.
- Computer network (Level 4)
- Email (Level 4)
- Ethernet (Level 4)
- Router (computing) (Level 4)
- Routing
- Wi-Fi (Level 4)
- Bluetooth
- Cellular network
- Server (computing)
- Client–server model
- Network topology
- Network switch
- Network packet
- Network interface controller
- Node (networking)
- Internet of things
- Wireless mesh network
- Content delivery network
- Private network
- Subnet
- Tunneling protocol
- Proxy server
- Reverse proxy
Internet
This section contains 42 articles. For Internet culture, see Society and social sciences/Culture#Internet medium
- Internet (Level 3)
- ARPANET
- CSS
- Communication protocol
- Common Gateway Interface
- File Transfer Protocol
- Hashtag
- HTML (Level 4)
- HTTP (Level 4)
- Instant messaging
- Internet protocol suite (Level 4)
- Internet service provider
- Peer-to-peer file sharing
- Social media (Level 4)
- Web 2.0
- Search engine (Level 4)
- Tor (network)
- Website (Level 4)
- World Wide Web (Level 4)
Specific websites and other computing services
This section contains 51 articles.
Cloud server
This section contains 2 articles.
Multimedia
This section contains 5 articles.
E-commerce
This section contains 3 articles.
Portals/Platform sites
This section contains 3 articles.
Utility
This section contains 7 articles.
Science
This section contains 1 article.
Search engines
This section contains 2 articles.
Social network and blogging
This section contains 28 articles.
Software development
This section contains 122 articles.
Software development: General
This section contains 64 articles.
- Software development
- Software prototyping
- Reusability
- Software portability
- Transparency (human–computer interaction)
- Library (computing)
- Formal specification
- Formal verification
- Software design
- Abstraction (computer science)
- Variable (computer science)
- Function (computer programming)
- Pointer (computer programming)
- Recursion (computer science)
- Iteration
- Computer programming (Level 4)
- Flowchart
- Source code
- Bytecode
- Object code
- Executable
- Parameter (computer programming)
- Collation
- Universal Product Code
- Character encoding (Level 4)
- Error correction code
- Compiler (Level 4)
- Interpreter (computing)
- Control flow
- Macro (computer science)
- Regular expression
- Calling convention
- Programming language (Level 4)
- Programming paradigm (Level 4)
- API
- Software testing
- Software bug
- Debugging
- Application checkpointing
- Exception handling
- Version control
- Software maintenance
- Software documentation
Programming languages
This section contains 41 articles.
- Syntax (programming languages)
- Metasyntax
- Backus–Naur form
- Type conversion
- Data type
- Delimiter
- Operator overloading
- Language binding
- Low-level programming language
- High-level programming language
- C (programming language) (Level 4)
- C++
- C Sharp (programming language)
- Objective-C
- Delphi (software)
- Haskell
- Java (programming language) (Level 4)
- Kotlin (programming language)
- Lisp (programming language)
- Lua (programming language)
- Scala (programming language)
- Swift (programming language)
- Visual Basic (.NET)
- Shading language
- R (programming language)
Data modeling languages
This section contains 1 article.
Markup languages
This section contains 1 article.
Scripting languages
This section contains 6 articles.
- Python (programming language)
- Ruby (programming language)
- PHP
- Perl
- JavaScript (Level 4)
- Shell script
"Historical" languages
This section contains 6 articles.
Artificial intelligence concepts
This section contains 17 articles.
- AI alignment
- Artificial general intelligence
- Neural network (machine learning)
- Computer chess
- Computer Go
- Existential risk from artificial general intelligence
- Generative artificial intelligence
- Large language model
- Machine learning
- Natural language processing
- Philosophy of artificial intelligence
- Technological singularity
- Turing test
- Weak artificial intelligence
Other media and communication technology
This section contains 101 articles.
See also Arts: Literature; Society: Mass media
Physical and analog media are also included here
- Broadcasting (Level 3)
- Communications satellite (Level 4)
- Display device
- Ebook
- Image (Level 4)
- Image scanner (Level 4)
- Mail (Level 3)
- Manuscript
- Portable media player
- Printing (Level 3)
- Radio (Level 3)
- Smartwatch
- Sound recording and reproduction (Level 4)
- Speech synthesis (Level 4)
- Telecommunications (Level 3)
- Television (Level 3)
- Typewriter (Level 4)
- Video (Level 4)
- Digital video recorder
Specific hardware
This section contains 34 articles.
See also video game hardware section under games for early Home Computers
- Amazon Kindle
- Amiga
- Arduino
- Chromebook
- Commodore 64
- Deep Blue (chess computer)
- iPad
- iPhone (Level 4)
- iPod
- Mac (computer) (Level 4)
- PC-98
- Raspberry Pi
- Samsung Galaxy
- Walkman
- ZX Spectrum
Early computers
This section contains 18 articles.
Specific software
This section contains 59 articles.
Artificial Intelligence
This section contains 2 articles.
Browsers
This section contains 6 articles.
- Firefox
- Google Chrome
- History of the web browser
- Internet Explorer
- Microsoft Edge
- Safari (web browser)
Communication
This section contains 2 articles.
Development
This section contains 2 articles.
Multimedia
This section contains 9 articles.
Office and data management
This section contains 11 articles.
Operating Systems
This section contains 19 articles.
- Android (operating system) (Level 4)
- iOS
- DOS
- Mac operating systems
- Microsoft Windows (Level 4)
- Symbian
- Unix (Level 4)
- Unix-like
Science and Engineering
This section contains 2 articles.
System
This section contains 3 articles.
Virtualization
This section contains 3 articles.
Electronics
This section contains 116 articles. For topics in electromagnetism, see Physics:Electromagnetism
Electronics: General
This section contains 9 articles.
Components
This section contains 36 articles.
- Electronic component
- Amplifier (Level 4)
- Capacitor (Level 4)
- Diode (Level 4)
- Electrical connector (Level 4)
- Inductor (Level 4)
- Power supply (Level 4)
- Resistor (Level 4)
- Switch (Level 4)
- Transducer
- Transformer (Level 4)
Consumer electronics
This section contains 3 articles.
Digital logic
This section contains 16 articles.
Functional circuits
This section contains 14 articles.
- Bridge circuit
- Electronic oscillator
- Frequency mixer
- Gyrator
- Negative impedance converter
- Power inverter
- Rectifier
- Voltage regulator
Semiconductors
This section contains 14 articles.
Signal processing
This section contains 17 articles.
- Signal processing (Level 4)
- Analog-to-digital converter
- Digital-to-analog converter
- Filter (signal processing) (Level 4)
- Multiplexing
- Noise (electronics)
- Oscilloscope (Level 4)
- Sampling (signal processing)
Signal transmission
This section contains 7 articles.
Energy
This section contains 170 articles.
Energy: General
This section contains 5 articles.
Fuel
This section contains 25 articles.
- Fuel (Level 4)
- Biofuel (Level 4)
- Fossil fuel (Level 3)
- Hydrogen economy
- Oil refinery (Level 4)
- Nuclear fuel
Heating and cooling
This section contains 11 articles.
- Heating, ventilation, and air conditioning (Level 4)
- Air conditioning (Level 4)
- Boiler
- Fan (machine)
- Heat exchanger
- Refrigeration (Level 3)
Lighting
This section contains 12 articles.
Power generation
This section contains 40 articles.
- Power station (Level 4)
- Hydropower (Level 3)
- Microgeneration
- Nuclear power (Level 3)
- Solar energy (Level 3)
- Thermal power station
- Turbine (Level 4)
- Wind power (Level 3)
Power storage
This section contains 12 articles.
Power transmission
This section contains 62 articles. See also: Electromagnetism and Electromagnetism
- AC power plugs and sockets
- Electric power transmission (Level 4)
- Electric power distribution (Level 4)
- Electrical grid (Level 4)
- Electrical wiring (Level 4)
- Mains electricity
Concepts
This section contains 23 articles.
- Availability factor
- Automatic generation control
- Backfeeding
- Base load
- Capacity factor
- Demand factor
- Droop speed control
- Energy demand management
- Energy return on investment
- Electrical fault
- Grid energy storage
- Grid code
- Home energy storage
- Load factor (electrical)
- Load-following power plant
- Merit order
- Nameplate capacity
- Peak demand
- Electric power quality
- Power-flow study
- Repowering
- Utility frequency
- Variable renewable energy
Electricity transmission and distribution
This section contains 20 articles.
- Demand response
- Distributed generation
- Distribution board
- Dynamic demand (electric power)
- Electrical busbar system
- Electric power system
- Interconnector
- High-voltage direct current
- Load management
- Mains electricity by country
- Overhead power line
- Smart grid
- Electrical substation
- Super grid
- Transmission system operator
- Transmission tower
- Utility pole
- Wide area synchronous grid
Electrical protective devices
This section contains 10 articles.
- Arc-fault circuit interrupter
- Circuit breaker (Level 4)
- Earth-leakage circuit breaker
- Fuse (electrical) (Level 4)
- Lightning rod
- Residual-current device
- Power system protection
- Protective relay
- Numerical relay
- Sulfur hexafluoride circuit breaker
Specific energy structure
This section contains 3 articles. See "Dams" section in "Specific infrastructure" for hydroelectric power plants
Industry
This section contains 206 articles. See also: "Industry" in Business and economics (Level 4)
Industry: General
This section contains 17 articles.
Food, water and health
This section contains 30 articles.
- Air purifier
- Bleach (Level 4)
- Desalination (Level 4)
- Detergent (Level 4)
- Laundry (Level 4)
- Food processing
- Food storage
- Oxygen mask
- Sanitation (Level 3)
- Soap (Level 4)
- Sterilization (microbiology)
- Water supply network (Level 4)
Materials
This section contains 40 articles.
- Abrasive (Level 4)
- Ceramic (Level 4)
- Chemical vapor deposition
- Cork (material)
- Glass (Level 3)
- Gutta-percha
- Leather (Level 4)
- Mineral wool
- Natural rubber (Level 3)
- Paper (Level 3)
- Plastic (Level 3)
Chemicals
This section contains 8 articles.
- Adhesive (Level 4)
- Chemical plant (Level 4)
- Composite material (Level 4)
- Explosive (Level 3)
- Lubricant
- Petrochemical (Level 4)
Metallurgy
This section contains 48 articles.
- Metallurgy (Level 3)
- Extractive metallurgy
- Metalworking (Level 4)
- Anvil
- Bellows
- Bending (metalworking)
- Metal casting
- Drawing (manufacturing)
- Electrical discharge machining
- Extrusion (Level 4)
- Forge
- Forging (Level 4)
- Grinding (abrasive cutting)
- Heat treating (Level 4)
- Laser cutting (Level 4)
- Machining
- Metal fabrication
- Plating
- Precipitation hardening
- Quenching
- Rolling (metalworking) (Level 4)
- Sheet metal
- Sintering
- Soldering (Level 4)
- Steelmaking (Level 4)
- Welding (Level 4)
- Work hardening
Textiles
This section contains 63 articles.
Fabrics and fibers
This section contains 22 articles.
- Canvas (Level 4)
- Carbon fibers
- Cotton (Level 3)
- Felt (Level 4)
- Flannel
- Fiber (Level 4)
- Jute (Level 4)
- Kevlar
- Lace (Level 4)
- Linen (Level 4)
- Polyester (Level 4)
- Rayon
- Silk (Level 4)
- Spandex
- Thread (yarn) (Level 4)
- Wool (Level 4)
- Yarn (Level 4)
Other techniques
This section contains 12 articles.
- Basket weaving (Level 4)
- Crochet (Level 4)
- Dyeing (Level 4)
- Embroidery (Level 4)
- Knitting (Level 4)
- Macramé (Level 4)
- Textile printing
- Quilting (Level 4)
- Sewing (Level 4)
Spinning
This section contains 12 articles.
- Hand spinning (Level 4)
- Open-end spinning
- Spinning (polymers)
- Ring spinning
- Spinning frame
- Spinning jenny
- Spinning mule
- Spinning wheel
Weaving
This section contains 15 articles.
Infrastructure
This section contains 236 articles. See also Arts: Architecture
Basics
This section contains 2 articles.
Building materials
This section contains 42 articles.
- Brick (Level 4)
- Cement (Level 4)
- Concrete (Level 3)
- Masonry (Level 3)
- Quarry (Level 4)
- Scaffolding (Level 4)
- Adobe
- Construction aggregate
- Clapboard
- Mortar (masonry)
- Lath and plaster
- Drywall
- Rammed earth
- Roof shingle
- Siding (construction)
- Stone slab
- Tile
- Wattle and daub
- Wood (Level 3)
Environmental remediation
This section contains 9 articles.
Infrastructure by type
This section contains 99 articles.
Architectural elements
This section contains 21 articles.
- Arch (Level 4)
- Buttress
- Ceiling (Level 4)
- Column (Level 4)
- Dome (Level 4)
- Door (Level 4)
- Elevator (Level 4)
- Escalator
- Façade (Level 4)
- Floor (Level 4)
- Foundation (engineering) (Level 4)
- Ladder (Level 4)
- Lighting (Level 4)
- Pier (architecture)
- Roof (Level 4)
- Room (Level 4)
- Stairs (Level 4)
- Vault (architecture)
- Wall (Level 4)
- Window (Level 4)
Coastal infrastructure
This section contains 10 articles.
Ceremonial buildings
This section contains 2 articles.
Commercial buildings
This section contains 3 articles.
Mixed-use buildings
This section contains 3 articles.
Residential buildings and housing units
This section contains 10 articles.
Rooms and spaces
This section contains 20 articles.
- Attic
- Balcony
- Basement
- Bathroom (Level 4)
- Bedroom (Level 4)
- Courtyard
- Dining room
- Garage (residential) (Level 4)
- Hall
- Kitchen (Level 4)
- Laundry room
- Living room
- Lobby (room)
- Porch
- Patio
- Sauna (Level 4)
- Study (room)
- Sunroom
Portable buildings and shelters
This section contains 2 articles.
Earthworks
This section contains 3 articles.
Fire protection
This section contains 3 articles.
Hydraulic infrastructure
This section contains 10 articles.
- Cistern
- Dam (Level 3)
- Drainage (Level 4)
- Dredging
- Flood control (Level 4)
- Levee (Level 4)
- Reservoir (Level 4)
Transport infrastructure
This section contains 12 articles. See also #Transportation section
Specific infrastructure
This section contains 84 articles.
See "Transportation" and "Energy" section for infrastructure in respective discipline
Dams
This section contains 26 articles.
- Aswan Dam (Level 4)
- Grand Coulee Dam
- Grand Ethiopian Renaissance Dam
- Hoover Dam (Level 4)
- Itaipu Dam (Level 4)
- Tarbela Dam
- Three Gorges Dam (Level 4)
- Akosombo Dam
- Atatürk Dam
- Bratsk Hydroelectric Power Station
- Cahora Bassa
- Cofferdam
- New Croton Dam
- Delta Works
- Tabqa Dam
- Fort Peck Dam
- Grande Dixence Dam
- Guri Dam
- Enguri Dam
- Kariba Dam
- Mangla Dam
- Nurek Dam
- Oroville Dam
- Rogun Dam
- Sup'ung Dam
- Vajont Dam
Bridges
This section contains 48 articles.
- Akashi Kaikyo Bridge (Level 4)
- Alcántara Bridge
- Astoria–Megler Bridge
- Auckland Harbour Bridge
- Banpo Bridge
- Bosphorus Bridge
- Bridge of Sighs
- Bridge of the Americas
- Britannia Bridge
- Brooklyn Bridge (Level 4)
- Charles Bridge
- Confederation Bridge
- Danyang–Kunshan Grand Bridge
- El Ferdan Railway Bridge
- Forth Bridge
- Gateshead Millennium Bridge
- George Washington Bridge
- Golden Gate Bridge (Level 4)
- Great Belt Bridge
- Great Seto Bridge
- Humber Bridge
- Qingdao Jiaozhou Bay Bridge
- Kapellbrücke
- London Bridge
- Mackinac Bridge
- Manhattan Bridge
- Mehmed Paša Sokolović Bridge
- Menai Bridge
- Millau Viaduct
- Minneapolis Skyway System
- Pont Alexandre III
- Pont du Gard
- Pont Neuf
- Ponte Sant'Angelo
- Ponte Vecchio
- Rainbow Bridge (Niagara Falls)
- Rainbow Bridge (Tokyo)
- Rialto Bridge
- San Francisco–Oakland Bay Bridge
- Si-o-se-pol
- Stari Most
- Sydney Harbour Bridge
- Tacoma Narrows Bridge
- The Iron Bridge
- Tower Bridge (Level 4)
- Trajan's Bridge
- Vasco da Gama Bridge
- Verrazzano-Narrows Bridge
Tunnels
This section contains 3 articles.
Multi-modal crossings
This section contains 5 articles.
- Bering Strait crossing
- Chesapeake Bay Bridge–Tunnel
- Hong Kong–Zhuhai–Macau Bridge
- Tokyo Bay Aqua-Line
- Øresund Bridge
Others
This section contains 2 articles.
Machinery and tools
This section contains 285 articles.
Machinery and tools: General
This section contains 10 articles.
Engines
This section contains 11 articles.
- Engine (Level 3)
- Electric motor (Level 3)
- Internal combustion engine (Level 3)
- Steam engine (Level 3)
Hydraulics and pneumatics
This section contains 26 articles.
Machinery
This section contains 63 articles.
Farm and garden machinery
This section contains 16 articles.
- Baler
- Chainsaw (Level 4)
- Combine harvester (Level 4)
- Corn harvester
- Cotton gin (Level 4)
- Cotton picker
- Cultivator (Level 4)
- Irrigation sprinkler (Level 4)
- Lawn mower (Level 4)
- Planter (farm implement)
- Reaper
- Reaper-binder
- Seed drill
- Swather
- Threshing machine
- Transplanter
Household appliances
This section contains 35 articles.
- Home appliance (Level 4)
- Major appliance
- Barbecue grill
- Blender
- Clothes dryer (Level 4)
- Coffeemaker
- Dishwasher (Level 4)
- Furnace (central heating) (Level 4)
- Hair dryer
- Hair iron
- Humidifier
- Ironing (Level 4)
- Juicer
- Lock and key (Level 4)
- Microwave oven (Level 4)
- Mixer (appliance)
- Oven (Level 3)
- Refrigerator (Level 4)
- Rice cooker
- Sewing machine (Level 4)
- Slow cooker
- Stove (Level 4)
- Vacuum cleaner (Level 4)
- Washing machine (Level 4)
- Water dispenser
- Water heating
Industrial machinery
This section contains 12 articles.
- Centrifuge (Level 4)
- Crane (machine) (Level 4)
- Forklift
- Mill (grinding)
- Machine tool
- Potter's wheel (Level 4)
- Trip hammer
Mechanisms
This section contains 61 articles.
Flexible components
This section contains 15 articles.
Rigid components
This section contains 20 articles.
Simple mechanisms
This section contains 25 articles.
Tools
This section contains 114 articles.
Agricultural tools
This section contains 14 articles.
- Archimedes' screw (Level 4)
- Flail
- Harrow (tool) (Level 4)
- Hoe (tool) (Level 4)
- Machete (Level 4)
- Mattock
- Pitchfork
- Plough (Level 4)
- Rake (tool) (Level 4)
- Roller (agricultural tool)
- Scythe
- Sickle (Level 4)
- Shadoof
- Shovel (Level 4)
Artist's and drafting tools
This section contains 20 articles.
- Compass (drawing tool)
- Drafting machine
- Drawing board
- Easel
- Eraser
- French curve
- Ink (Level 4)
- Modelling clay (Level 4)
- Paint (Level 4)
- Brush (Level 4)
- Pastel (Level 4)
- Pencil (Level 4)
- Pencil sharpener
- Pigment (Level 4)
- Pen (Level 4)
- T-square
Containers
This section contains 20 articles.
- Container (Level 4)
- Aluminum can
- Bag
- Barrel
- Basket
- Bottle
- Box
- Envelope
- Intermodal container
- Packaging
- Paper cup
- Pressure vessel
- Steel and tin cans
Hand tools
This section contains 15 articles.
- Adze
- Axe (Level 4)
- Chalk line
- Chisel (Level 4)
- Clamp (tool) (Level 4)
- Crowbar
- Drilling (Level 4)
- Hammer (Level 4)
- Hook (hand tool)
- Plane (tool) (Level 4)
- Pliers
- Saw (Level 4)
- Scissors (Level 4)
- Screwdriver
- Wrench
Measuring instruments
This section contains 21 articles.
Surveying tools
This section contains 20 articles.
Medical technology
This section contains 31 articles.
Diagnostic technologies
This section contains 4 articles.
Imaging
This section contains 6 articles.
- Medical imaging (Level 3)
- CT scan
- Magnetic resonance imaging (Level 4)
- Medical ultrasound (Level 4)
- Positron emission tomography
- Radiography (Level 4)
Devices
This section contains 11 articles.
- Artificial cardiac pacemaker
- Artificial organ (Level 4)
- Hearing aid
- Prosthesis (Level 4)
- Reflex hammer
- Sling (medicine)
- Splint (medicine)
- Stethoscope (Level 4)
- Tourniquet
- Ventilator
- Wheelchair (Level 4)
Equipment
This section contains 6 articles.
- Adhesive bandage
- Bandage (Level 4)
- Hypodermic needle
- Retainer (orthodontics)
- Stretcher
- Syringe (Level 4)
Techniques
This section contains 2 articles.
Transport
This section contains 2 articles.
Military technology
This section contains 303 articles.
Military technology: General
This section contains 8 articles.
Countermeasures
This section contains 27 articles.
Armour
This section contains 11 articles.
Fortification
This section contains 14 articles.
Melee weapons
This section contains 41 articles.
- Melee weapon
- Battle axe (Level 4)
- Brass knuckles
- Club (weapon) (Level 4)
- Flail (weapon)
- Sai (weapon)
- Tonfa
Knives
This section contains 10 articles.
- Bayonet (Level 4)
- Knife (Level 3)
- Dagger (Level 4)
- Hunting knife
- Pocketknife
- Throwing knife
- Utility knife
Polearms
This section contains 8 articles.
Swords
This section contains 12 articles.
- Sword (Level 4)
- Claymore
- Cutlass
- Dao (Chinese sword)
- Gladius
- Katana (Level 4)
- Longsword
- Rapier (Level 4)
- Sabre
- Scimitar
- Talwar
- Wakizashi
Ranged weapons
This section contains 107 articles.
Archery
This section contains 11 articles.
Artillery
This section contains 13 articles.
Firearms
This section contains 65 articles.
Ammunition
This section contains 15 articles.
- Ammunition (Level 4)
- Gunpowder (Level 3)
- Bullet
- Flechette
- Cartridge (firearms)
- Shotgun cartridge
- Shotgun slug
Mechanisms
This section contains 19 articles.
Specific cartridges
This section contains 2 articles.
Specific firearms
This section contains 11 articles.
- AK-47
- AR-15–style rifle
- Chassepot
- Dreyse needle gun
- Gatling gun
- Glock
- IWI Tavor
- M134 Minigun
- M4 carbine
- M16 rifle
- M1911 pistol
Missiles
This section contains 11 articles.
Explosive weapons
This section contains 15 articles.
- Bomb (Level 3)
- Cluster munition (Level 4)
- Grenade (Level 4)
- Land mine (Level 4)
- Plastic explosive
- Shaped charge
- Thermobaric weapon
Incendiary weapons
This section contains 5 articles.
Maneuver
This section contains 9 articles.
Military aviation
This section contains 45 articles.
- Military aviation
- Military aircraft (Level 4)
- Attack aircraft (Level 4)
- Bomber (Level 4)
- Fighter aircraft (Level 4)
- Electronic-warfare aircraft
- Maritime patrol aircraft
- Multirole combat aircraft
- Military transport aircraft
- Airborne early warning and control
- Reconnaissance aircraft
- Surveillance aircraft
- Experimental aircraft
- Aerial refueling
Specific aircraft
This section contains 19 articles.
- Boeing B-29 Superfortress
- Boeing B-52 Stratofortress
- Dassault Rafale
- Embraer EMB 314 Super Tucano
- Eurofighter Typhoon
- Fairchild Republic A-10 Thunderbolt II
- General Dynamics F-16 Fighting Falcon
- Lockheed C-130 Hercules
- Lockheed SR-71 Blackbird
- Lockheed Martin F-22 Raptor
- Lockheed Martin F-35 Lightning II
- McDonnell Douglas F-15 Eagle
- McDonnell Douglas F/A-18 Hornet
- Mikoyan-Gurevich MiG-21
- North American P-51 Mustang
- Northrop B-2 Spirit
- Panavia Tornado
- Rockwell B-1 Lancer
Naval warfare
This section contains 20 articles.
- Warship (Level 4)
- Submarine (Level 4)
- Boom (navigational barrier)
- Depth charge
- Naval mine (Level 4)
- Torpedo (Level 4)
Less-lethal weapons
This section contains 14 articles.
- Non-lethal weapon
- Active Denial System
- Baton round
- Sonic weapon
- Stun grenade
- Taser
- Tear gas
- Water cannon
Weapon of mass destruction
This section contains 12 articles.
Navigation and timekeeping
This section contains 87 articles. For units of time (hour, day, etc.), see Physical sciences – Measurement. For maps and cartography, see Geography – Physical geography.
Navigation
This section contains 23 articles.
- Navigation (Level 3)
- Compass (Level 3)
- Cardinal direction (Level 4)
- Celestial navigation (Level 4)
- Dead reckoning (Level 4)
- Gyroscope (Level 4)
- Satellite navigation (Level 4)
- Radar (Level 3)
- Sonar
Timekeeping
This section contains 64 articles.
- Astronomical year numbering
- Calendar (Level 3)
- Clock (Level 3)
- Leap year (Level 4)
- Leap second
- Future
- Present
- Past
- Standard time
- Timeline
- Time standard
- Time zone (Level 4)
Calendars
This section contains 12 articles.
Clocks
This section contains 16 articles.
- 12-hour clock
- 24-hour clock
- Alarm clock
- Atomic clock (Level 4)
- Digital clock
- Clock face
- Hourglass
- Marine chronometer
- Pendulum clock
- Quartz clock
- Sundial (Level 4)
- Watch (Level 4)
- Water clock
Months
This section contains 12 articles.
Days of the Week
This section contains 8 articles.
Optical technology
This section contains 59 articles.
Optical components
This section contains 14 articles.
- Lens (Level 3)
- Anti-reflective coating (Level 4)
- Collimator
- Diffraction grating (Level 4)
- Mirror (Level 4)
- Optical fiber (Level 4)
- Optical filter
- Optical isolator
- Polarizer (Level 4)
- Prism (optics) (Level 4)
Optical instruments
This section contains 16 articles.
- Autocollimator
- Binoculars (Level 4)
- Glasses (Level 4)
- Interferometry (Level 4)
- Loupe
- Magnifying glass
- Microscope (Level 3)
- Periscope
- Projector
Lasers
This section contains 9 articles.
Photography
This section contains 20 articles.
Astronomical technology
This section contains 71 articles.
Telescope
This section contains 67 articles.
- Telescope (Level 3)
- Reflecting telescope
- Refracting telescope
- X-ray telescope
- Optical telescope (Level 4)
- Infrared telescope
- Radio telescope (Level 4)
- Solar telescope
- Space telescope
- Astronomical interferometer
- Telescope mount
- Active optics
- Adaptive optics
- Eyepiece
- Astronomical filter
- Primary mirror
- Gravitational-wave observatory
Space-based observatories
This section contains 15 articles.
- Hubble Space Telescope (Level 4)
- Spitzer Space Telescope
- Herschel Space Observatory
- INTEGRAL
- Fermi Gamma-ray Space Telescope
- James Webb Space Telescope
- Wide-field Infrared Survey Explorer
- IRAS
- Chandra X-ray Observatory
- Kepler
- GALEX
- Hipparcos
- Gaia (spacecraft)
- XMM-Newton
- ROSAT
Ground-based observatories
This section contains 26 articles.
- Atacama Large Millimeter Array (Level 4)
- Mauna Kea Observatories (Level 4)
- Gemini Observatory
- Five-hundred-meter Aperture Spherical Telescope
- LIGO
- Virgo interferometer
- IceCube Neutrino Observatory
- Very Large Telescope
- Large Binocular Telescope
- Mount Wilson Observatory
- Very Large Array
- Very Long Baseline Array
- Arecibo Observatory
- Green Bank Telescope
- Effelsberg 100-m Radio Telescope
- Low-Frequency Array
- MeerKAT
- Square Kilometre Array
- Extremely Large Telescope
- Wise Observatory
- South Pole Telescope
- Jodrell Bank Observatory
Space
This section contains 74 articles.
Basics
This section contains 18 articles.
- Spaceflight (Level 3)
- Spacecraft (Level 4)
- Rocket (Level 3)
- Satellite (Level 3)
- Space station (Level 3)
- Astronaut (Level 4)
- Space capsule
- Uncrewed spacecraft
- Interstellar travel
- Space colonization
- Space settlement
- Space industry
Programs and launch sites
This section contains 16 articles.
- NASA (Level 4)
- Soviet space program (Level 4)
- Roscosmos (Level 4)
- European Space Agency (Level 4)
- China National Space Administration (Level 4)
- ISRO
- Israel Space Agency
- JAXA
Crewed vehicles
This section contains 12 articles.
- Apollo 11
- International Space Station (Level 4)
- Mir (Level 4)
- Salyut 1
- Space Shuttle (Level 4)
- Saturn V (Level 4)
- Soyuz (spacecraft) (Level 4)
- Skylab
- Tiangong space station
- Vostok 1
Unmanned spacecraft
This section contains 19 articles.
- Sputnik 1 (Level 4)
- Sputnik 2
- Luna 2
- Luna 3
- Mariner 2
- Luna 9
- Voyager program (Level 4)
- Pioneer program
- New Horizons
- Galileo project
- Cassini–Huygens
- Cosmic Background Explorer
- Wilkinson Microwave Anisotropy Probe
- MESSENGER
Rovers
This section contains 9 articles.
Transportation
This section contains 457 articles.
Basics
This section contains 20 articles.
Ground transport
This section contains 164 articles.
Concepts of ground transport
This section contains 22 articles.
- Land transport
- Breakdown (vehicle)
- Charging station
- Driving (Level 4)
- Filling station (Level 4)
- Parking (Level 4)
- Service (motor vehicle)
- Rest area
- Tire (Level 4)
- Transport hub
Road infrastructure
This section contains 24 articles. For bridges and tunnels, see transport infrastructure in #Infrastructure section.
- Road (Level 3)
- Footpath
- Pedestrian crossing
- Pedestrian zone
- Sidewalk
- Trail (Level 4)
- Cycling infrastructure
Motorized road transport
This section contains 54 articles.
- Auto rickshaw
- Bus (Level 4)
- Car (Level 3)
- Motorcycle (Level 4)
- Off-road vehicle
- Shared transport
- Truck (Level 4)
- Van (Level 4)
- Vehicle for hire
Rail and cable transport
This section contains 28 articles.
- Rail transport (Level 4)
- Train (Level 3)
- Cable transport (Level 4)
- High-speed rail (Level 4)
- Tram (Level 4)
- Rapid transit (Level 4)
Animal-powered transport
This section contains 7 articles.
Human-powered transport
This section contains 15 articles.
Specific-purpose transportation
This section contains 12 articles. For medical transport, see Medical section
Specific automobiles
This section contains 2 articles.
Naval transport
This section contains 65 articles. For military watercraft, see Military technology. For pier and port, see coastal infrastructure.
- Maritime transport (Level 4)
- Ship (Level 3)
- Watercraft
- Buoy
- Canal (Level 3)
- Barge (Level 4)
- Boat (Level 4)
- Canoe (Level 4)
- Cargo ship (Level 4)
- Ferry (Level 4)
- Fishing vessel (Level 4)
- Hospital ship
- Hovercraft (Level 4)
- Hydrofoil
- Icebreaker
- Kayak
- Merchant ship (Level 4)
- Motor ship
- Motorboat
- Multihull
- Naval architecture
- Outrigger
- Passenger ship (Level 4)
- Personal watercraft
- Riverboat (Level 4)
- Sail (Level 4)
- Sailboat
- Sailing ship (Level 4)
- Sailing (Level 4)
- Scuba set
- Snorkel (swimming)
- Shipbuilding (Level 4)
- Steamboat (Level 4)
- Steamship
- Submersible
- Tanker (ship) (Level 4)
- Tugboat
Specific piers and ports
This section contains 13 articles.
Aviation
This section contains 112 articles.
Specific aircraft
This section contains 29 articles. For military aircraft, see Military technology
- Airbus A300
- Airbus A320 family
- Airbus A330
- Airbus A350
- Airbus A380
- Antonov An-225 Mriya
- Boeing 707
- Boeing 727
- Boeing 737
- Boeing 747
- Boeing 757
- Boeing 767
- Boeing 777
- Boeing 787 Dreamliner
- De Havilland Canada Dash 8
- Cessna 172
- Concorde
- de Havilland Comet
- Douglas DC-3
- Douglas DC-6
- Douglas DC-8
- Embraer E-Jet family
- Ilyushin Il-76
- Lockheed Constellation
- McDonnell Douglas DC-9
- McDonnell Douglas DC-10
- Mil Mi-8
- Tupolev Tu-154
- Wright Flyer
Airports
This section contains 13 articles.
Asia
This section contains 6 articles.
- Beijing Capital International Airport
- Dubai International Airport
- Haneda Airport
- Hong Kong International Airport
- Indira Gandhi International Airport
- Shanghai Pudong International Airport
Europe
This section contains 3 articles.
North America
This section contains 4 articles.
Specific transportation systems
This section contains 96 articles.
Ground transportation networks
This section contains 13 articles. See Geography/Physical for Maritime transportation network. See Society/Politic and economic for companies that operate transportation networks.
- Intercontinental and transoceanic fixed links
- Arab Mashreq International Road Network
- Asian Highway Network
- Autobahn
- Camino de Santiago
- Interstate Highway System
- Roman roads
- Trans-African Highway network
- Trans-European Transport Network
- EuroVelo
- European long-distance paths
- Transcontinental railroad
Rapid transit
This section contains 66 articles.
Africa
This section contains 1 article.
Americas
This section contains 14 articles.
Brazil
This section contains 2 articles.
Canada
This section contains 3 articles.
United States
This section contains 5 articles.
- Bay Area Rapid Transit
- Chicago "L"
- Massachusetts Bay Transportation Authority
- New York City Subway (Level 4)
- Washington Metro
Asia
This section contains 24 articles.
China
This section contains 6 articles.
India
This section contains 5 articles.
Japan
This section contains 6 articles.
- Hiroshima Electric Railway
- Nagoya Municipal Subway
- Osaka Metro
- Sapporo Municipal Subway
- Tokyo Metropolitan Bureau of Transportation
- Tokyo Metro
South Korea
This section contains 2 articles.
Europe
This section contains 26 articles.
France
This section contains 3 articles.
Germany
This section contains 3 articles.
Italy
This section contains 2 articles.
Netherlands
This section contains 2 articles.
Russia
This section contains 2 articles.
Scandinavia
This section contains 4 articles.
Spain
This section contains 2 articles.
United Kingdom
This section contains 1 article.
Oceania
This section contains 1 article.
High-speed rail
This section contains 11 articles.
- Acela
- AVE
- China Railway High-speed
- Eurostar
- Frecciarossa
- Intercity Express
- Korea Train Express
- Shinkansen (Level 4)
- Taiwan High Speed Rail
- TGV
- Sapsan
Railway lines
This section contains 4 articles.
- Trans-Australian Railway
- Chinese Eastern Railway
- Trans-Mongolian Railway
- Trans-Siberian Railway (Level 4)
Railway services
This section contains 2 articles.