Wikipedia:Vital articles/Level/4/Technology

Overview
Level 1 Level 2 Level 3 Level 4 Level 5

Level 4 Sublists

People History Geography Arts Philosophy and religion Everyday life Society and social sciences Biology and health sciences Physical sciences Technology Mathematics

Improve a random level 4 vital article in 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 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. Total 741 articles.

Class	#Articles
FA	8
GA	18
A	2
B	203
C	421
FFA	25
DGA	31
Start	90

Technology

This section contains 741 articles.

Technology: General

This section contains 2 articles.

1. Technology (Level 1)
2. Invention

Agriculture

This section contains 32 articles.

Basics

This section contains 1 article.

1. Agricultural science

Forms

This section contains 10 articles.

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

Buildings and infrastructure

This section contains 6 articles.

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

Animal husbandry

This section contains 6 articles.

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

Agronomy and horticulture

This section contains 9 articles.

Basics

This section contains 4 articles.

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

Horticultural techniques

This section contains 5 articles.

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

Biotechnology

This section contains 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

This section contains 80 articles.

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

Basics

This section contains 8 articles.

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

Computer science

This section contains 6 articles.

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

Computer hardware

This section contains 10 articles.

1. Computer hardware
2. Computer (Level 2)
   1. Mobile device
      1. Smartphone
         1. iPhone
   2. Personal computer
      1. Mac (computer)
   3. Supercomputer
3. Central processing unit
4. ENIAC

Computer software

This section contains 7 articles.

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

Operating systems

This section contains 6 articles.

1. Operating system
2. Android
3. Linux
4. Microsoft Windows
5. MS-DOS
6. Unix

User interface

This section contains 5 articles.

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

Cryptography

This section contains 3 articles.

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

Data storage

This section contains 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

This section contains 5 articles.

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

Internet

This section contains 7 articles.

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

Programming

This section contains 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

This section contains 32 articles.

Basics

This section contains 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

This section contains 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

This section contains 14 articles.

Basics

This section contains 4 articles.

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

Disciplines

This section contains 10 articles.

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

Industry

This section contains 99 articles. See also: "Industry" in Business and economics

Basics

This section contains 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

This section contains 37 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
      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

This section contains 13 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. Power station
8. Turbine
   1. Gas turbine
   2. Steam turbine
   3. Wind turbine
9. Cooling tower

Food, water and health

This section contains 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

This section contains 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

This section contains 12 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

Infrastructure

This section contains 70 articles. See also Arts: Architecture

Basics

This section contains 2 articles.

1. Infrastructure (Level 3)
2. Building (Level 3)

Building materials

This section contains 7 articles.

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

Infrastructure by type

This section contains 61 articles.

Architectural elements

This section contains 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

This section contains 5 articles.

1. Dock
2. Harbor
3. Lighthouse
4. Pier
5. Port

Ceremonial buildings

This section contains 2 articles.

1. Pagoda
2. Pyramid

Commercial buildings

This section contains 2 articles.

1. Office
2. Warehouse

Mixed-use buildings

This section contains 3 articles.

1. Tower
2. Tower block
3. Skyscraper

Residential and housing units

This section contains 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

This section contains 5 articles.

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

Other components

This section contains 2 articles.

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

Hydraulic infrastructure

This section contains 10 articles.

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

Transport infrastructure

This section contains 7 articles.

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

Machinery and tools

This section contains 99 articles.

Basics

This section contains 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
   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 mechanism
   5. Wedge
   6. Wheel (Level 3)
   7. Wheel and axle
6. Siphon
7. System

Components

This section contains 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

This section contains 34 articles.

Tools: General

This section contains 2 articles.

1. Tool (Level 2)
2. Container

Measuring instruments

This section contains 7 articles.

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

Artist's tools

This section contains 8 articles.

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

Hand tools

This section contains 8 articles.

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

Agricultural tools

This section contains 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

This section contains 26 articles.

Farm and garden machinery

This section contains 6 articles.

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

Household appliances

This section contains 15 articles.

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

Industrial machinery

This section contains 5 articles.

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

Media and communication

This section contains 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)
9. Printing (Level 3)
   1. Book (Level 2)
      1. Scroll
   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
    1. Video camera

Medical technology

This section contains 16 articles.

Devices

This section contains 5 articles.

1. Artificial organ
2. Dentures
3. Prosthesis
4. Stethoscope
5. Wheelchair

Equipment

This section contains 2 articles.

1. Bandage
2. Syringe

Techniques

This section contains 1 article.

1. Cardiopulmonary bypass

Diagnostic technologies

This section contains 3 articles.

1. DNA profiling
2. Electrocardiography
3. Endoscopy

Transport

This section contains 1 article.

1. Ambulance

Imaging

This section contains 4 articles.

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

Military technology

This section contains 68 articles.

Military technology: General

This section contains 7 articles.

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

Ammunition

This section contains 2 articles.

1. Ammunition
2. Gunpowder (Level 3)

Armour

This section contains 6 articles.

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

Explosive weapons

This section contains 6 articles.

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

Fortification

This section contains 3 articles.

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

Incendiary weapons

This section contains 1 article.

1. Napalm

Melee weapons

This section contains 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

This section contains 4 articles.

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

Naval warfare

This section contains 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

This section contains 11 articles.

1. Boomerang
2. Bow and arrow
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

This section contains 6 articles.

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

Weapons of mass destruction

This section contains 5 articles.

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

Navigation and timekeeping

This section contains 25 articles. For units of time (hour, day, etc.), see Physical sciences – Measurement.

Timekeeping

This section contains 14 articles.

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

Navigation

This section contains 11 articles. See the Cartography section under Geography for Map.

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

Optical technology

This section contains 25 articles.

Basics

This section contains 3 articles.

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

Optics

This section contains 6 articles.

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

Optical instruments

This section contains 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

This section contains 28 articles.

Basics

This section contains 10 articles.

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

Programs and launch sites

This section contains 9 articles.

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

Crewed spacecraft

This section contains 5 articles.

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

Uncrewed spacecraft

This section contains 2 articles.

1. Hubble Space Telescope
2. Sputnik 1

Ground-based observatories

This section contains 2 articles.

1. Atacama Large Millimeter Array
2. Mauna Kea Observatories

Textiles

This section contains 23 articles.

Fabrics and fibers

This section contains 12 articles.

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

Techniques

This section contains 11 articles.

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

Transportation

This section contains 85 articles.

Basics

This section contains 7 articles.

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

Road transport

This section contains 19 articles.

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

Animal-powered transport

This section contains 3 articles.

1. Carriage
2. Cart
3. Saddle

Trains

This section contains 14 articles.

1. Train (Level 3)
   1. Locomotive
      1. Steam locomotive
   2. Train station
2. Rail transport
3. Railway track
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

This section contains 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

Maritime transport

This section contains 20 articles.

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

Other

This section contains 5 articles.

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