Wikipedia:Vital articles/Level/5/Technology
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:
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Former featured articles
A-class articles
Good articles
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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 3,203 articles.
Class | #Articles |
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20 | |
78 | |
2 | |
681 | |
1,532 | |
9 | |
55 | |
76 | |
826 | |
54 | |
1 | |
2 |
General
[edit]This section contains 90 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
[edit]This section contains 71 articles.
Basics
[edit]This section contains 19 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
[edit]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
[edit]This section contains 237 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
[edit]This section contains 11 articles.
Academic disciplines
[edit]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
[edit]This section contains 54 articles.
Agriculture
[edit]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
[edit]This section contains 17 articles.
Pest and disease control
[edit]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
[edit]This section contains 29 articles.
Animal husbandry
[edit]This section contains 21 articles.
Agronomy
[edit]This section contains 29 articles.
Basics
[edit]This section contains 4 articles.
Agronomical techniques
[edit]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
[edit]This section contains 10 articles. See "Pedology" in Earth Science
Horticulture
[edit]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
[edit]This section contains 18 articles.
Trees and forestry
[edit]This section contains 5 articles.
Agriculture, labor and economy
[edit]This section contains 8 articles.
Agriculture and ecology
[edit]This section contains 3 articles.
Agricultural machinery and tools
[edit]See "Agricultural tools" and "Farm and Garden Machinery" in Technology : Machinery and tools
Biotechnology
[edit]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
[edit]This section contains 729 articles. For abstract topics in computer science, see Mathematics: Theoretical computer science (Level 5)
Computing and information technology basics
[edit]This section contains 11 articles.
Computer science
[edit]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
[edit]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
[edit]This section contains 40 articles.
Computer hardware
[edit]This section contains 80 articles.
Computer hardware (Level 4)
Computer (Level 2)
Booting
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
[edit]This section contains 25 articles.
Computer software
[edit]This section contains 38 articles.
Software (Level 4)
Application software
Chatbot
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
[edit]This section contains 16 articles.
Data storage and memory
[edit]This section contains 78 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
[edit]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
[edit]This section contains 5 articles.
Non-volatile memory
[edit]This section contains 24 articles.
Networks
[edit]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
[edit]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
[edit]This section contains 51 articles.
Cloud server
[edit]This section contains 2 articles.
Multimedia
[edit]This section contains 5 articles.
E-commerce
[edit]This section contains 3 articles.
Portals/Platform sites
[edit]This section contains 3 articles.
Utility
[edit]This section contains 7 articles.
Science
[edit]This section contains 1 article.
Search engines
[edit]This section contains 2 articles.
Social network and blogging
[edit]This section contains 28 articles.
Software development
[edit]This section contains 122 articles.
Software development: General
[edit]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
[edit]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
[edit]This section contains 1 article.
Markup languages
[edit]This section contains 1 article.
Scripting languages
[edit]This section contains 6 articles.
Python (programming language)
Ruby (programming language)
PHP
Perl
JavaScript (Level 4)
Shell script
"Historical" languages
[edit]This section contains 6 articles.
Artificial intelligence concepts
[edit]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
[edit]This section contains 104 articles.
See also Arts: Literature; Society: Mass media
Physical and analog media are also included here
Broadcasting (Level 3)
Audiobook
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)
Specific hardware
[edit]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
[edit]This section contains 18 articles.
Specific software
[edit]This section contains 58 articles.
Artificial Intelligence
[edit]This section contains 2 articles.
Browsers
[edit]This section contains 5 articles.
Communication
[edit]This section contains 2 articles.
Development
[edit]This section contains 2 articles.
Multimedia
[edit]This section contains 9 articles.
Office and data management
[edit]This section contains 11 articles.
Operating Systems
[edit]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
[edit]This section contains 2 articles.
System
[edit]This section contains 3 articles.
Virtualization
[edit]This section contains 3 articles.
Electronics
[edit]This section contains 116 articles. For topics in electromagnetism, see Physics:Electromagnetism
Electronics: General
[edit]This section contains 9 articles.
Components
[edit]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
[edit]This section contains 3 articles.
Digital logic
[edit]This section contains 16 articles.
Functional circuits
[edit]This section contains 14 articles.
Bridge circuit
Electronic oscillator
Frequency mixer
Gyrator
Negative impedance converter
Power inverter
Rectifier
Voltage regulator
Semiconductors
[edit]This section contains 14 articles.
Signal processing
[edit]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
[edit]This section contains 7 articles.
Energy
[edit]This section contains 172 articles.
Energy: General
[edit]This section contains 5 articles.
Fuel
[edit]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
[edit]This section contains 12 articles.
Heating, ventilation, and air conditioning (Level 4)
Air conditioning (Level 4)
Boiler
Fan (machine)
Heat exchanger
Refrigeration (Level 3)
Lighting
[edit]This section contains 12 articles.
Power generation
[edit]This section contains 41 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
[edit]This section contains 12 articles.
Power transmission
[edit]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
[edit]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
[edit]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
Substation
Super grid
Transmission system operator
Transmission tower
Utility pole
Wide area synchronous grid
Electrical protective devices
[edit]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
[edit]This section contains 3 articles. See "Dams" section in "Specific infrastructure" for hydroelectric power plants
Industry
[edit]This section contains 211 articles. See also: "Industry" in Business and economics (Level 4)
Industry: General
[edit]This section contains 17 articles.
Food, water and health
[edit]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
[edit]This section contains 45 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
[edit]This section contains 8 articles.
Adhesive (Level 4)
Chemical plant (Level 4)
Composite material (Level 4)
Explosive (Level 3)
Lubricant
Petrochemical (Level 4)
Metallurgy
[edit]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
[edit]This section contains 63 articles.
Fabrics and fibers
[edit]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
[edit]This section contains 12 articles.
Basket weaving (Level 4)
Crochet (Level 4)
Dyeing (Level 4)
Embroidery (Level 4)
Knitting (Level 4)
Macramé
Textile printing
Quilting (Level 4)
Sewing (Level 4)
Spinning
[edit]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
[edit]This section contains 15 articles.
Infrastructure
[edit]This section contains 236 articles. See also Arts: Architecture
Basics
[edit]This section contains 2 articles.
Building materials
[edit]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
[edit]This section contains 9 articles.
Infrastructure by type
[edit]This section contains 99 articles.
Architectural elements
[edit]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
[edit]This section contains 10 articles.
Ceremonial buildings
[edit]This section contains 2 articles.
Commercial buildings
[edit]This section contains 3 articles.
Mixed-use buildings
[edit]This section contains 3 articles.
Residential buildings and housing units
[edit]This section contains 10 articles.
Rooms and spaces
[edit]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
[edit]This section contains 2 articles.
Earthworks
[edit]This section contains 3 articles.
Fire protection
[edit]This section contains 3 articles.
Hydraulic infrastructure
[edit]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
[edit]This section contains 12 articles. See also #Transportation section
Specific infrastructure
[edit]This section contains 84 articles.
See "Transportation" and "Energy" section for infrastructure in respective discipline
Dams
[edit]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
[edit]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
[edit]This section contains 3 articles.
Multi-modal crossings
[edit]This section contains 5 articles.
Bering Strait crossing
Chesapeake Bay Bridge–Tunnel
Hong Kong–Zhuhai–Macau Bridge
Tokyo Bay Aqua-Line
Øresund Bridge
Others
[edit]This section contains 2 articles.
Machinery and tools
[edit]This section contains 285 articles.
Machinery and tools: General
[edit]This section contains 10 articles.
Engines
[edit]This section contains 11 articles.
Engine (Level 3)
Electric motor (Level 3)
Internal combustion engine (Level 3)
Steam engine (Level 3)
Hydraulics and pneumatics
[edit]This section contains 26 articles.
Machinery
[edit]This section contains 63 articles.
Farm and garden machinery
[edit]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
[edit]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
[edit]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
[edit]This section contains 61 articles.
Flexible components
[edit]This section contains 15 articles.
Rigid components
[edit]This section contains 20 articles.
Simple mechanisms
[edit]This section contains 25 articles.
Tools
[edit]This section contains 114 articles.
Agricultural tools
[edit]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
[edit]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
[edit]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
[edit]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
[edit]This section contains 21 articles.
Surveying tools
[edit]This section contains 20 articles.
Medical technology
[edit]This section contains 31 articles.
Diagnostic technologies
[edit]This section contains 4 articles.
Imaging
[edit]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
[edit]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
[edit]This section contains 6 articles.
Adhesive bandage
Bandage (Level 4)
Hypodermic needle
Retainer (orthodontics)
Stretcher
Syringe (Level 4)
Techniques
[edit]This section contains 2 articles.
Transport
[edit]This section contains 2 articles.
Military technology
[edit]This section contains 303 articles.
Military technology: General
[edit]This section contains 8 articles.
Countermeasures
[edit]This section contains 27 articles.
Armour
[edit]This section contains 11 articles.
Fortification
[edit]This section contains 14 articles.
Melee weapons
[edit]This section contains 41 articles.
Melee weapon
Battle axe (Level 4)
Brass knuckles
Club (weapon) (Level 4)
Flail (weapon)
Sai (weapon)
Tonfa
Knives
[edit]This section contains 10 articles.
Bayonet (Level 4)
Knife (Level 3)
Dagger (Level 4)
Hunting knife
Pocketknife
Throwing knife
Utility knife
Polearms
[edit]This section contains 8 articles.
Swords
[edit]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
[edit]This section contains 107 articles.
Archery
[edit]This section contains 11 articles.
Artillery
[edit]This section contains 13 articles.
Firearms
[edit]This section contains 65 articles.
Ammunition
[edit]This section contains 15 articles.
Ammunition (Level 4)
Gunpowder (Level 3)
Bullet
Flechette
Cartridge (firearms)
Shotgun cartridge
Shotgun slug
Mechanisms
[edit]This section contains 19 articles.
Specific cartridges
[edit]This section contains 2 articles.
Specific firearms
[edit]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
[edit]This section contains 11 articles.
Explosive weapons
[edit]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
[edit]This section contains 5 articles.
Maneuver
[edit]This section contains 9 articles.
Military aviation
[edit]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
[edit]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
[edit]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
[edit]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
[edit]This section contains 12 articles.
Navigation and timekeeping
[edit]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
[edit]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
[edit]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
[edit]This section contains 12 articles.
Clocks
[edit]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
[edit]This section contains 12 articles.
Days of the Week
[edit]This section contains 8 articles.
Optical technology
[edit]This section contains 59 articles.
Optical components
[edit]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
[edit]This section contains 16 articles.
Autocollimator
Binoculars (Level 4)
Glasses (Level 4)
Interferometry (Level 4)
Loupe
Magnifying glass
Microscope (Level 3)
Periscope
Projector
Lasers
[edit]This section contains 9 articles.
Photography
[edit]This section contains 20 articles.
Astronomical technology
[edit]This section contains 71 articles.
Telescope
[edit]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
[edit]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
[edit]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
[edit]This section contains 75 articles.
Basics
[edit]This section contains 19 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
[edit]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
[edit]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
[edit]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
[edit]This section contains 9 articles.
Transportation
[edit]This section contains 456 articles.
Basics
[edit]This section contains 20 articles.
Ground transport
[edit]This section contains 163 articles.
Concepts of ground transport
[edit]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
[edit]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
[edit]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
[edit]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
[edit]This section contains 6 articles.
Human-powered transport
[edit]This section contains 15 articles.
Specific-purpose transportation
[edit]This section contains 12 articles. For medical transport, see Medical section
Specific automobiles
[edit]This section contains 2 articles.
Naval transport
[edit]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 (nautical)
Passenger ship (Level 4)
Personal watercraft
Riverboat (Level 4)
Sail (Level 4)
Sailboat
Sailing ship (Level 4)
Sailing (Level 4)
Shipbuilding (Level 4)
Steamboat (Level 4)
Steamship
Submersible
Tanker (ship) (Level 4)
Tugboat
Specific piers and ports
[edit]This section contains 13 articles.
Aviation
[edit]This section contains 112 articles.
Specific aircraft
[edit]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
[edit]This section contains 13 articles.
Asia
[edit]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
[edit]This section contains 3 articles.
North America
[edit]This section contains 4 articles.
Specific transportation systems
[edit]This section contains 96 articles.
Ground transportation networks
[edit]This section contains 15 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
[edit]This section contains 65 articles.
Africa
[edit]This section contains 1 article.
Americas
[edit]This section contains 14 articles.
Brazil
[edit]This section contains 2 articles.
Canada
[edit]This section contains 3 articles.
United States
[edit]This section contains 5 articles.
Bay Area Rapid Transit
Chicago "L"
Massachusetts Bay Transportation Authority
New York City Subway (Level 4)
Washington Metro
Asia
[edit]This section contains 24 articles.
China
[edit]This section contains 6 articles.
India
[edit]This section contains 5 articles.
Japan
[edit]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
[edit]This section contains 2 articles.
Europe
[edit]This section contains 26 articles.
France
[edit]This section contains 3 articles.
Germany
[edit]This section contains 3 articles.
Italy
[edit]This section contains 2 articles.
Netherlands
[edit]This section contains 2 articles.
Russia
[edit]This section contains 2 articles.
Scandinavia
[edit]This section contains 4 articles.
Spain
[edit]This section contains 2 articles.
United Kingdom
[edit]This section contains 1 article.
High-speed rail
[edit]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
[edit]This section contains 4 articles.
Trans-Australian Railway
Chinese Eastern Railway
Trans-Mongolian Railway
Trans-Siberian Railway (Level 4)
Railway services
[edit]This section contains 1 article.