Wikipedia:Vital articles/Level/4/Technology

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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 eleven Level 4 sub-lists of ten thousand articles 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.

This list is tailored to the English-language Wikipedia. There is also a list of ten thousand articles considered vital to Wikipedias of all languages.

For more information on this list and the process for adding articles, please see the Frequently Asked Questions (FAQ) page.

Technology (742 articles)

Basics (1 article)

1. Technology (Level 1)

Agriculture (34 articles)

Basics (1 article)

1. Agricultural science

Forms (12 articles)

1. Aquaculture
2. Beekeeping
3. Dairy
4. Extensive farming
5. Gardening
6. Intensive farming
7. Orchard
8. Organic farming
9. Sustainable agriculture
   1. Permaculture
10. Subsistence agriculture
11. Urban agriculture

Buildings and infrastructure (6 articles)

1. Garden (Level 3)
2. Farm
3. Barn
4. Stable
5. Silo
6. Granary

Animal husbandry (6 articles)

1. Animal husbandry (Level 3)
2. Domestication (Level 3)
3. Selective breeding
4. Breed
5. Livestock
6. Hay

Agronomy and horticulture (9 articles)

Basics (4 articles)

1. Agronomy
2. Horticulture
3. Plant breeding
   1. Cultivar

Horticultural techniques (5 articles)

1. Fertilizer (Level 3)
2. Harvest
3. Irrigation
4. Pesticide
5. Tillage

Biotechnology (7 articles)

1. Biotechnology (Level 3)
2. Genetic engineering (Level 3)
   1. Genetically modified organism
3. Cybernetics
4. Cloning
5. Gel electrophoresis
6. Polymerase chain reaction

Computing and information technology (75 articles)

For topics in theoretical computer science, see Mathematics: Discrete mathematics

Basics (8 articles)

1. Computing
2. Information technology
3. Abacus
4. Calculator
5. Computer security
   1. Computer virus
6. Data
   1. Data communication

Computer science (5 articles)

1. Computer science (Level 3)
2. Artificial intelligence (Level 3)
3. Computer architecture
4. Computer simulation
5. Parallel computing

Computer hardware (5 articles)

1. Computer hardware
2. Computer (Level 2)
3. Booting
4. Central processing unit
5. ENIAC

Computer software (6 articles)

1. Software
2. Database
3. Open-source software
4. Spreadsheet
5. Web browser
6. Word processor

Operating systems (8 articles)

1. Operating system
2. Android
3. iOS
4. Linux
5. Macintosh operating systems
6. Microsoft Windows
7. MS-DOS
8. Unix

User interface (5 articles)

1. User interface
2. Keyboard technology
3. Computer monitor
4. Mouse (computing)
5. Touchscreen

Cryptography (3 articles)

1. Cryptography (Level 3)
2. Authentication
3. Encryption

Data storage (11 articles)

1. Computer file
   1. File system
2. Barcode
3. Data storage
4. Hard disk drive
5. Magnetic tape
6. Memory card
7. Optical disc
8. Punched card
9. Random-access memory
10. Read-only memory

Networks (5 articles)

1. Computer network
2. Email
3. Ethernet
4. Router
5. Wi-Fi

Internet (7 articles)

1. Internet (Level 3)
2. HTML
3. Hypertext Transfer Protocol
4. Internet protocol suite
5. Search engine
6. Website
7. World Wide Web

Programming (12 articles)

1. Computer programming
2. Character encoding
3. Compiler
4. Programming language
   1. Assembly language
   2. C
   3. Java (programming language)
   4. JavaScript
5. Programming paradigm
   1. Functional programming
   2. Structured programming
      1. Object-oriented programming

Electronics (32 articles)

Basics (8 articles)

1. Electronics (Level 3)
   1. Consumer electronics
2. Sensor
3. Signal processing
   1. Signal-to-noise ratio
4. Circuit design
5. Oscilloscope
6. Remote control

Components (24 articles)

1. Semiconductor device (Level 3)
   1. Transistor
   2. Diode
      1. Light-emitting diode
2. Integrated circuit (Level 3)
3. Battery (Level 3)
4. Amplifier
5. Antenna
6. Capacitor
7. Cavity magnetron
8. Electrical connector
9. Filter
10. Inductor
11. Power supply
12. Printed circuit board
13. Resistor
14. Switch
    1. Circuit breaker
    2. Fuse
    3. Relay
15. Transformer
16. Vacuum tube
17. Waveguide
18. Wire

Engineering (15 articles)

Basics (4 articles)

1. Engineering (Level 2)
2. Nanotechnology
3. Nuclear technology
4. Technical drawing

Disciplines (11 articles)

1. Civil engineering (Level 3)
2. Mechanical engineering (Level 3)
3. Aerospace engineering
4. Architectural engineering
5. Automotive engineering
6. Biomedical engineering
7. Chemical engineering
8. Electrical engineering
9. Industrial engineering
10. Military engineering
11. Software engineering

Industry (101 articles)

See also: "Industry" in Business and economics

Basics (12 articles)

1. Factory
   1. Assembly line
   2. Automation
   3. Industrial robot
   4. Interchangeable parts
   5. Mass production
   6. Mechanization
2. Standardization
3. Waste
   1. Landfill
   2. Recycling
   3. Waste management

Energy and fuel (38 articles)

1. Fire (Level 2)
   1. Candle
2. Fuel
3. Biofuel
   1. Charcoal
4. Fossil fuel (Level 3)
   1. Coal (Level 3)
   2. Natural gas (Level 3)
   3. Petroleum (Level 3)
      1. Gasoline (Level 3)
      2. Kerosene
      3. Oil refinery
      4. Oil well
5. Nuclear power (Level 3)
6. Renewable energy (Level 3)
   1. Geothermal power
   2. Hydropower (Level 3)
      1. Hydroelectricity
      2. Watermill
   3. Solar energy (Level 3)
      1. Solar power
      2. Solar cell
   4. Wind power (Level 3)
      1. Windmill

Electricity generation and distribution (14 articles)

See also: Electromagnetism and Electromagnetism

1. Electric light (Level 3)
   1. Incandescent light bulb
2. Electric power transmission
3. Electric power distribution
4. Electrical grid
5. Electric generator
6. Electricity generation
7. Electrification
8. Power station
9. Turbine
   1. Gas turbine
   2. Steam turbine
   3. Wind turbine
10. Cooling tower

Food, water and health (18 articles)

1. Bleach
2. Desalination
3. Detergent
4. Laundry
5. Pasteurization
6. Refrigeration (Level 3)
7. Sanitation (Level 3)
   1. Sanitary sewer
   2. Sewage treatment
   3. Water purification
8. Soap
9. Water supply network
   1. Aqueduct
   2. Plumbing
   3. Qanat
   4. Pumping station
   5. Water tower
   6. Well

Material and chemical (20 articles)

1. Abrasive
2. Adhesive
3. Ceramic
4. Chemical plant
5. Composite material
6. Explosive (Level 3)
   1. Dynamite
   2. Fireworks
7. Glass (Level 3)
8. Natural rubber (Level 3)
9. Paper (Level 3)
10. Parchment
11. Papyrus
12. Petrochemical
13. Plastic (Level 3)
14. Pottery (Level 3)
    1. Porcelain
15. Wood (Level 3)
16. Woodworking
    1. Carpentry

Metallurgy (13 articles)

1. Metallurgy (Level 3)
   1. Smelting
2. Metalworking
   1. Die casting
   2. Extrusion
   3. Forging
   4. Heat treating
   5. Laser cutting
   6. Rolling
   7. Soldering
   8. Steelmaking
   9. Welding
3. Ore

Infrastructure (70 articles)

See also Arts: Architecture

Basics (2 articles)

1. Infrastructure (Level 3)
2. Building

Building materials (7 articles)

1. Concrete (Level 3)
2. Masonry (Level 3)
   1. Brick
   2. Quarry
3. Cement
4. Lumber
5. Scaffolding

Infrastructure by type (61 articles)

Architectural elements (16 articles)

1. Arch
2. Ceiling
3. Column
4. Dome
5. Door
6. Elevator
7. Façade
8. Floor
9. Foundation
10. Ladder
11. Lighting
12. Roof
13. Room
14. Stairs
15. Wall
16. Window

Coastal infrastructure (5 articles)

1. Dock (maritime)
2. Harbor
3. Lighthouse
4. Pier
5. Port

Ceremonial buildings (2 articles)

1. Pagoda
2. Pyramid

Commercial buildings (2 articles)

1. Office
2. Warehouse

Mixed-use buildings (3 articles)

1. Tower
2. High-rise building
3. Skyscraper

Residential and housing units (9 articles)

1. Home (Level 2)
   1. House
   2. Apartment
   3. Hut
   4. Igloo
   5. Palace
   6. Tent
   7. Villa
2. Hotel

Rooms and spaces (5 articles)

1. Bathroom
2. Bedroom
3. Garage
4. Kitchen
5. Sauna

Other components (2 articles)

1. Electrical wiring
2. Heating, ventilation, and air conditioning

Hydraulic infrastructure (10 articles)

1. Dam (Level 3)
   1. Aswan Dam
   2. Hoover Dam
   3. Itaipu Dam
   4. Three Gorges Dam
2. Drainage
3. Flood control
   1. Flood control in the Netherlands
4. Levee
5. Reservoir

Transport infrastructure (7 articles)

1. Bridge (Level 3)
   1. Akashi Kaikyo Bridge
   2. Brooklyn Bridge
   3. Golden Gate Bridge
   4. London Bridge
2. Tunnel
   1. Channel Tunnel

Machinery and tools (99 articles)

Basics (21 articles)

1. Machine
2. Crane (machine)
3. Engine (Level 3)
   1. Electric motor (Level 3)
   2. Internal combustion engine (Level 3)
      1. Diesel engine
      2. Four-stroke engine
   3. Jet engine (Level 3)
   4. Steam engine (Level 3)
4. Robotics (Level 3)
   1. Robot
5. Simple machine (Level 3)
   1. Inclined plane
   2. Lever
   3. Pulley
   4. Screw (simple machine)
   5. Wedge
   6. Wheel (Level 3)
   7. Wheel and axle
6. Siphon
7. System

Components (18 articles)

1. Axle
   1. Bearing
   2. Clutch
   3. Gear
2. Electrical cable
   1. Chain
   2. Rope
3. Fastener
   1. Knot
   2. Nail (fastener)
   3. Nut (hardware)
   4. Rivet
   5. Washer
4. Lock and key
5. Pipe
   1. Gasket
   2. Valve
6. Spring (device)

Tools (34 articles)

General (2 articles)

1. Tool (Level 2)
2. Container

Measuring instruments (7 articles)

1. Measuring instrument
   1. Barometer
   2. Calipers
   3. Photometer
   4. Ruler
   5. Spectrometer
   6. Thermometer

Artist's tools (8 articles)

1. Ink
2. Modelling clay
3. Paint
4. Brush
5. Pastel
6. Pencil
7. Pigment
8. Pen

Hand tools (8 articles)

1. Axe
2. Chisel
3. Clamp
4. Drilling
5. Hammer
6. Plane (tool)
7. Saw
8. Scissors

Agricultural tools (9 articles)

1. Archimedes' screw
2. Harrow (tool)
3. Hoe (tool)
4. Machete
5. Plough
6. Rake (tool)
7. Sickle
8. Shovel
9. Wheelbarrow

Machinery (26 articles)

Farm and garden machinery (6 articles)

1. Chainsaw
2. Combine harvester
3. Cotton gin
4. Cultivator
5. Irrigation sprinkler
6. Lawn mower

Household appliances (15 articles)

1. Home appliance
2. Air conditioning
3. Clothes dryer
4. Dishwasher
5. Furnace
6. Ironing
7. Microwave oven
8. Oven
9. Refrigerator
10. Sewing machine
11. Sink
12. Stove (Level 3)
13. Toilet
14. Vacuum cleaner
15. Washing machine

Industrial machinery (5 articles)

1. Centrifuge
2. Lathe
3. Loom
4. Machine press
5. Potter's wheel

Media and communication (36 articles)

See also Arts: Literature; Society: Mass media; and Technology: Computing and information technology

1. Broadcasting (Level 3)
2. Cathode-ray tube
3. Communications satellite
4. Flat-panel display
   1. Liquid-crystal display
5. Image
6. Image scanner
7. Mail (Level 3)
   1. Courier
   2. Postage stamp
8. Mobile phone (Level 3)
   1. Smartphone
9. Printing (Level 3)
   1. Book (Level 2)
   2. Photocopier
   3. Printer
   4. Printing press
10. Radio (Level 3)
    1. Amateur radio
    2. Radio broadcasting
11. Social media
12. Sound recording and reproduction
    1. Loudspeaker
    2. Microphone
13. Speech synthesis
14. Telecommunications (Level 3)
    1. Modulation
    2. Telegraphy
    3. Telephone (Level 3)
15. Television (Level 3)
    1. Cable television
    2. Satellite television
16. Text messaging
17. Typewriter
18. Video (Level 3)
    1. Video camera

Medical technology (13 articles)

Devices (3 articles)

1. Artificial organ
2. Prosthesis
3. Wheelchair

Techniques (2 articles)

1. Cardiopulmonary bypass
2. Dialysis

Diagnostic technologies (3 articles)

1. DNA profiling
2. Electrocardiography
3. Endoscopy

Transport (1 article)

1. Ambulance

Imaging (4 articles)

1. Medical imaging (Level 3)
2. Magnetic resonance imaging
3. Medical ultrasonography
4. Radiography

Military technology (68 articles)

General (7 articles)

1. Weapon (Level 3)
2. Tank
3. Military technology
4. Horses in warfare
   1. Chariot
5. Stealth technology
6. War elephant

Ammunition (2 articles)

1. Ammunition
2. Gunpowder (Level 3)

Armour (6 articles)

1. Armour (Level 3)
2. Bulletproof vest
3. Helmet
4. Chain mail
5. Plate armour
6. Shield

Explosive weapons (6 articles)

1. Bomb
2. Cluster munition
3. Improvised explosive device
4. Grenade
5. Land mine
6. Missile

Fortification (3 articles)

1. Fortification (Level 3)
   1. Castle
   2. Defensive wall

Incendiary weapons (1 article)

1. Napalm

Melee weapons (9 articles)

1. Knife (Level 3)
   1. Dagger
2. Sword
   1. Katana
   2. Rapier
3. Battle axe
4. Bayonet
5. Club (weapon)
6. Spear

Military aviation (4 articles)

1. Military aircraft
2. Attack aircraft
3. Bomber
4. Fighter aircraft

Naval warfare (8 articles)

1. Aircraft carrier
2. Battleship
3. Galley
4. Naval mine
5. Ship of the line
6. Submarine
7. Torpedo
8. Warship

Projectile weapons (11 articles)

1. Boomerang
2. Bow and arrow (Level 3)
3. Crossbow
4. Firearm (Level 3)
   1. Rifle
      1. Assault rifle
   2. Handgun
   3. Machine gun
   4. Musket
   5. Shotgun
5. Sling

Artillery and siege (6 articles)

1. Artillery
2. Ballista
3. Battering ram
4. Cannon
5. Catapult
6. Mortar

Weapons of mass destruction (5 articles)

1. Weapon of mass destruction
2. Biological warfare
3. Chemical weapon
4. Nuclear weapon (Level 3)
   1. Thermonuclear weapon

Navigation and timekeeping (25 articles)

For units of time (hour, day, etc.), see Physical sciences – Measurement.

Timekeeping (13 articles)

1. Calendar (Level 3)
   1. Chinese calendar
   2. Gregorian calendar
   3. Islamic calendar
   4. Julian calendar
   5. Leap year
2. Clock (Level 3)
   1. Watch
   2. Atomic clock
   3. Pendulum
   4. Sundial
3. Time zone
   1. Daylight saving time

Navigation (12 articles)

1. Navigation (Level 3)
   1. Compass (Level 3)
   2. Map (Level 3)
   3. Cardinal direction
   4. Celestial navigation
      1. Sextant
   5. Dead reckoning
   6. Gyroscope
   7. Satellite navigation
      1. Global Positioning System
2. Radar (Level 3)
3. Sonar

Optical technology (26 articles)

Basics (3 articles)

1. Laser (Level 3)
2. Holography
3. Optical fiber

Optics (7 articles)

1. Lens (Level 3)
   1. Fresnel lens
2. Anti-reflective coating
3. Diffraction grating
4. Mirror
5. Polarizer
6. Prism

Optical instruments (16 articles)

1. Microscope (Level 3)
   1. Electron microscope
   2. Optical microscope
2. Telescope (Level 3)
   1. Optical telescope
   2. Radio telescope
   3. Theodolite
3. Camera (Level 3)
   1. Photography (Level 3)
      1. Digital photography
      2. Fine-art photography
   2. Photographic film
4. Glasses
5. Binoculars
6. Charge-coupled device
7. Interferometry

Space (32 articles)

Basics (12 articles)

1. Space exploration (Level 3)
   1. Exploration of Mars
2. Spaceflight (Level 3)
3. Rocket (Level 3)
   1. Launch pad
   2. Launch vehicle
   3. Rocket engine
4. Satellite (Level 3)
5. Space station (Level 3)
6. Astronaut
7. Space capsule
8. Space probe

Crewed spacecraft (5 articles)

1. International Space Station
2. Mir
3. Space Shuttle
4. Saturn V
5. Soyuz (spacecraft)

Uncrewed spacecraft (4 articles)

1. Hubble Space Telescope
2. Spitzer Space Telescope
3. Herschel Space Observatory
4. Sputnik 1

Programs and launch sites (9 articles)

1. NASA
   1. Apollo program
   2. Kennedy Space Center
   3. Voyager program
2. Soviet space program
   1. Baikonur Cosmodrome
3. Russian Federal Space Agency
4. European Space Agency
5. China National Space Administration

Ground-based observatories (2 articles)

1. Atacama Large Millimeter Array
2. Mauna Kea Observatories

Textiles (25 articles)

Fabrics and fibers (13 articles)

1. Textile (Level 3)
2. Canvas
3. Cotton
4. Felt
5. Fiber
6. Jute
7. Lace
8. Leather
9. Linen
10. Silk
11. Thread
12. Wool
13. Yarn

Techniques (12 articles)

1. Basket weaving
2. Crochet
3. Dyeing
   1. Dye
4. Embroidery
5. Hand spinning
6. Knitting
7. Macramé
8. Quilting
9. Sewing
10. Tapestry
11. Weaving

Transportation (83 articles)

Basics (7 articles)

1. Transport (Level 2)
   1. Public transport
2. Travel
3. Freight transport
   1. Cargo
4. Passport
5. Vehicle

Road transport (18 articles)

1. Road (Level 3)
   1. Highway
      1. Controlled-access highway
   2. Trail
2. Car (Level 3)
3. Bicycle (Level 3)
   1. Cycling
4. Bus
5. Motorcycle
6. Rickshaw
7. Truck
8. Taxi
9. Van
10. Driving
    1. Parking
11. Tire
12. Filling station
13. Traffic collision

Animal-powered transport (3 articles)

1. Carriage
2. Cart
3. Saddle

Rail transport (14 articles)

1. Rail transport (Level 3)
2. Railway track
3. Train
   1. Locomotive
      1. Steam locomotive
   2. Train station
4. Rapid transit
   1. London Underground
   2. New York City Subway
5. High-speed rail
   1. Shinkansen
6. Monorail
7. Tram
8. Trans-Siberian Railway

Aviation (17 articles)

1. Aircraft (Level 3)
2. Aviation
3. Air traffic control
4. Aircraft engine
5. Airline
6. Airplane
7. Airport
8. Airship
9. Balloon (aeronautics)
   1. Hot-air balloon
10. Fixed-wing aircraft
11. Glider
12. Helicopter
13. Jet aircraft
14. Parachute
15. Unmanned aerial vehicle
16. Wing

Naval transport (19 articles)

1. Ship (Level 3)
2. Canal (Level 3)
   1. Lock (water navigation)
3. Barge
4. Boat
5. Canoe
6. Cargo ship
7. Ferry
8. Fishing vessel
9. Hovercraft
10. Merchant ship
11. Passenger ship
12. Riverboat
13. Sailing
    1. Sail
14. Sailing ship
15. Shipbuilding
16. Steamboat
17. Tanker

Other (5 articles)

1. Cable transport
   1. Aerial tramway
2. Baby transport
3. Pipeline transport
4. Tractor