Technology
General View All
Engineering
Applied science
Electrical engineering
Field of engineering that deals with electricity, electromagnetism, and electronics
Technology
Use of knowledge for practical goals
Software engineering
Computing discipline
Nanotechnology
Field of applied science whose theme is the control of matter on atomic and (supra)molecular scale
Computer-aided design
Constructing a product by means of computer
Civil engineering
Engineering discipline focused on physical infrastructure
Innovation
Application of better solutions that meet new requirements, inarticulated needs, or existing market needs
Computer engineering
Engineering discipline specializing in the design of computer hardware
Mechanical engineering
Engineering discipline
Systems engineering
Interdisciplinary field of engineering and engineering management that focuses on how to design and manage complex systems over their life cycles
Problem solving
Generic and ad hoc approach to problem solving
Chemical engineering
Branch of engineering
Research and development
General term for activities in connection with corporate or governmental innovation
Biomedical engineering
Application of engineering principles and design concepts to medicine and biology for healthcare, healthfood and health purposes
Reverse engineering
Process of extracting design information from anything man-made
Technical drawing
Creation of standards and the technical drawings
Mechatronics
Combination of electronics and mechanics
Electronic engineering
Electrical engineering involved in the design of electronic circuits, devices, and their systems
Applied science
Practical application of scientific knowledge
Industrial engineering
Branch of engineering which deals with the optimization of complex processes or systems
Invention
Novel device, material or technical process
Environmental engineering
Integration of sciences and engineering principles to improve the natural environment for life
Structural engineering
Sub-discipline of civil engineering dealing with the creation of man made structures
Agricultural engineering
Field of study and application of engineering science and designs principles for agriculture purposes
Agriculture View All
Agent Orange
Military herbicide
Horticulture
Agriculture of plants
Fertilizer
Substance added to soils to supply plant nutrients for a better growth
Hardiness zone
Geographical regions defined by climatic conditions for horticultural purposes
Greenhouse
Building made chiefly of transparent material in which plants are grown
Pesticide
Substance used to destroy pests
Guano
Excrement of seabirds and bats
Hydroponics
Growing plants without soil using nutrients in water
Livestock
Animals kept for production of meat, eggs, milk, wool, etc.
Domestication
Selective breeding of plants and animals to serve humans
Animal husbandry
Management of farm animals
Animal husbandry
Management of farm animals
Coppicing
Method of tree management
Poultry farming
Part of animal husbandry
Silage
Fermented, high-moisture stored fodder
Vermicompost
Product of the composting process using various species of worms
Cultivar
Plant or grouping of plants selected for desirable characteristics
Compost
A mixture used to improve the soil
Slaughterhouse
Facility where animals are slaughtered for meat
Permaculture
Approach to agriculture and land management
Aquaculture
Farming of aquatic organisms
Nitrogen fixation
Conversion of molecular nitrogen into the biologically-accessible nitrogen compounds
Irrigation
Agricultural artificial application of water to land
Rodenticide
Chemical used to kill rodents
Sustainable agriculture
Farming relying on as many renewable resources as possible
Biotechnology View All
CRISPR
Family of DNA sequences found in prokaryotic organisms
Genetic engineering
Direct manipulation of an organism's genome using biotechnology
Cyborg
Being with both organic and biomechatronic body parts
Polymerase chain reaction
Laboratory technique to multiply a DNA sample for study
Biotechnology
Use of living systems and organisms to develop or make useful products
Cloning
Process of producing genetically identical individuals of an organism
Genetically modified organism
Organisms whose genetic material has been altered using genetic engineering methods
Western blot
Analytical technique used in molecular biology
Biological hazard
Biological material that poses serious risks to the health of living organisms
De-extinction
Process of re-creating an extinct species
Stem-cell therapy
Use of stem cells to treat or prevent a disease or condition
Gene therapy
Medical technology
Anaerobic digestion
Processes by which microorganisms break down biodegradable material in the absence of oxygen
Biopharmaceutical
Type of pharmaceutical drug product
Gel electrophoresis
Method for separation and analysis of macromolecules
Recombinant DNA
DNA molecules formed by human agency at a molecular level generating novel DNA sequences
Bioterrorism
Terrorism involving biological agents
Whole genome sequencing
Determining nearly the entirety of the DNA sequence of an organism's genome at a single time.
Biomimetics
Imitation of biological systems for the solving of human problems
Bioreactor
Device or system that supports a biologically active environment
DNA microarray
Collection of microscopic DNA spots attached to a solid surface
Genetic testing
Medical test
Genome editing
Type of genetic engineering
Molecular cloning
Insertion of recombinant DNA molecules, by means of a replicating vehicle, into recipient cells without altering their viability
Tissue engineering
Combination of cells, engineering, and materials methods, and suitable biochemical and physicochemical factors to improve or replace biological tissues
Computing and information technology View All
Instagram
American photo and video sharing social networking service
YouTube
Video-sharing and social media platform
Wikipedia
Free online crowdsourced encyclopedia
Pornhub
Pornographic video sharing website owned by MindGeek
Wiki
Type of website that visitors can edit
Google
American multinational technology company
WhatsApp
Messaging and VoIP service owned by Meta
Meta Platforms
American technology conglomerate
QR code
Type of matrix barcode
Netflix
American content platform and production company
Yandex
Russian Dutch-domiciled Internet company
Artificial intelligence
Intelligence of machines
Twitter
Social networking service
Dark web
Part of the World Wide Web that is only reachable over darknets
Email
Method of exchanging digital messages between people over a network
World Wide Web
System of interlinked hypertext documents accessed over the Internet
Pinterest
American photo sharing and saving website
iPhone
Line of smartphones designed and marketed by Apple Inc.
TikTok
Video-focused social media platform
Android (operating system)
Mobile operating system based on a modified version of the Linux kernel and other open source software
Computer
Automatic general-purpose device for performing arithmetic or logical operations
4chan
Anonymous imageboard website
Reddit
Social news aggregation, web content rating, livestreaming, and discussion platform
C (programming language)
General-purpose programming language
Twitch (service)
Live-streaming video platform; Amazon subsidiary
Electronics View All
Faraday cage
Enclosure of conductive mesh used to block electric fields
Capacitor
Passive two-terminal electronic component that stores electrical energy in an electric field
Transistor
Solid-state electrically operated switch also used as an amplifier
Integrated circuit
Electronic circuit formed on a small, flat piece of semiconductor material
Light-emitting diode
Semiconductor and solid state light source
Transformer
Passive electrical device that transfers electrical energy from one electrical circuit to another, or multiple circuits
Printed circuit board
Board to support and connect electronic components
MOSFET
Transistor used for amplifying or switching electronic signals
XOR gate
Logic gate
Flip-flop (electronics)
Circuit that has two stable states and can be used to store state information
Diode
Electronic component that only allows current to flow in one direction
Logic gate
Computational equipment, physical or theoretical, that performs a boolean logic function
Power inverter
Device that changes direct current (DC) to alternating current (AC)
Consumer electronics
Electronic products for everyday use
Resistor
Passive electrical component providing electrical resistance
Low-pass filter
Type of signal filter
Vacuum tube
Device that controls electric current between electrodes in an evacuated container
Multimeter
Electronic measuring instrument that combines several measurement functions in one unit
Amplifier
Electronic device/component that increases the strength of a signal
Signal-to-noise ratio
Ratio of the desired signal to the background noise
Field-programmable gate array
Array of logic gates that are reprogrammable
Inductor
Passive two-terminal electrical component that stores energy in its magnetic field
Oscilloscope
Instrument for displaying time-varying signals
Electronics
Branch of physics and electrical engineering
Rectifier
Electrical device that converts AC to DC
Energy View All
Lithium-ion battery
Rechargeable battery type
Coal
Combustible sedimentary rock composed primarily of carbon
Natural gas
Gaseous fossil fuel
Gasoline
Liquid fuel derived from petroleum
Heat pump
Device that heats buildings
Kerosene
Combustible hydrocarbon liquid
Air conditioning
Cooling of air in an enclosed space
Charcoal
Lightweight black carbon residue, after pyrolysis of animal or vegetable substances
Nuclear power
Power generated from nuclear reactions
Heating, ventilation, and air conditioning
Technology of indoor and vehicular environmental comfort
Three-phase electric power
Common electrical power generation, transmission and distribution method for alternating currents
Alkaline battery
Type of battery
AC power plugs and sockets
Connector used to connect to mains power
Incandescent light bulb
Electric light bulb with a resistively heated wire filament
Wind turbine
Machine which converts wind energy into mechanical and electric energy
Nuclear reactor
Device used to initiate and control a nuclear chain reaction
Jet fuel
Type of aviation fuel
Renewable energy
Energy collected from renewable resources
Coke (fuel)
Coal product used in making steel
Circuit breaker
Automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit
Windmill
Machine that converts the energy of wind into rotational energy
Electric generator
Device that converts other energy to electrical energy
Solar energy
Radiant light and heat from the Sun that is harnessed using a range of technologies
Gas turbine
Type of internal combustion engine
Hydroelectricity
Electricity generated by hydropower
Industry View All
Silo (series)
Science fiction series by Hugh Howey, consisting of the books Wool, Shift, and Dust.
Catalytic converter
Emission control device that treats engine exhaust gas by catalyzing pollutant-destroying redox reactions
Cotton
Plant fiber from the genus Gossypium
Plastic
Material of a wide range of synthetic or semi-synthetic organic solids
Waste management
Activities and actions required to manage waste from its source to its final disposal
Recycling
Converting waste materials into new products
3D printing
Additive process used to make a three-dimensional object
Glass
Transparent non-crystalline solid material
Dynamite
Explosive made using nitroglycerin
Cashmere wool
Fiber obtained from cashmere goats and other types of goat
Bleach
Number of chemicals which remove color, whiten, or disinfect, often via oxidation
Textile
Material produced by twining, weaving, felting, knotting, or otherwise processing natural or synthetic fibers
Pottery
Craft of making objects from clay
Paper
Thin material for writing, printing, etc.
Welding
Fabrication or sculptural process for joining materials
Papyrus
Writing and implement
Water purification
Process of removing undesirable chemicals, biological contaminants, suspended solids from water
Denim
Warp-faced textile
Ceramic
Inorganic, nonmetallic solid prepared by the action of heat
Pasteurization
Process of preserving foods with heat
Linen
Textile made from spun flax fiber
Polyester
Category of polymers, in which the monomers are joined together by ester links
Blast furnace
Type of metallurgical furnace used for smelting to produce industrial metals
Fiberglass
Type of plastic reinforced by glass fiber
Crochet
Technique of creating lace or fabric from thread using a hook
Infrastructure View All
Golden Gate Bridge
Suspension bridge on the San Francisco Bay
Channel Tunnel
Undersea rail tunnel linking France to UK
Hoover Dam
Dam in Clark County, Nevada, and Mohave County, Arizona, US
Three Gorges Dam
Dam in Sandouping, Yiling District, Hubei, China
Bridge of Sighs
Bridge over a canal in Venice
Brooklyn Bridge
Bridge between Manhattan and Brooklyn, New York
Pyramid
Structure shaped as a geometric pyramid
London Bridge
1973 Thames road bridge in London
Hong Kong–Zhuhai–Macau Bridge
Fixed link consisting of tunnel and multiple bridges
Skyscraper
High-rise building
Brick
Block or a single unit of a ceramic material used in masonry construction
Yurt
Portable, round tent covered with skins or felt
Concrete
Composite construction material
Tower Bridge
Bridge over the Thames in London, England
Øresund Bridge
Road and railway bridge over Øresund
Elevator
Vertical transport device
Sydney Harbour Bridge
Bridge across Sydney Harbour in Australia
Kitchen
Space primarily used for preparation and storage of food
Cement
Hydraulic binder used in the composition of mortar and concrete
Infrastructure
Facilities and systems serving society
Window
Opening in a wall, door, roof or vehicle that allows the passage of light and may also allow the passage of sound and sometimes air
Adobe
Building material made from earth and organic materials
Scaffolding
A temporary structure used to support a work crew and materials
Carpentry
Skilled trade
Hotel
Establishment that provides lodging paid on a short-term basis
Machinery and tools View All
Valve Corporation
American video game company
Internal combustion engine
Engine in which the combustion of a fuel occurs with an oxidizer in a combustion chamber
Bidet
Plumbing fixture or type of sink intended for washing the genitalia and anus of the human body
Steam engine
Heat engine that performs mechanical work using steam as its working fluid
Microwave oven
Kitchen cooking appliance
Diesel engine
Type of internal combustion engine
Lidar
Method of spatial measurement using laser
Refrigerator
Household or industrial appliance for preserving food at a low temperature
Pencil
Writing implement
Machine
Powered mechanical device
Four-stroke engine
Internal combustion engine type
Wheel
A circular item that rotates about an axle bearing, often used for transport.
Robot
Machine capable of carrying out a complex series of actions automatically
Sewing machine
Machine used to stitch fabric
Toilet
Piece of hardware for the collection or disposal of human excreta
Electric motor
Machine that converts electrical energy into mechanical energy
Lathe
Machine tool which rotates the work piece on its axis
Geiger counter
Instrument used for measuring ionizing radiation
Scissors
Hand-operated cutting instrument
Calipers
Tool to measure dimensions of an object
Engine
Machine that converts one or more forms of energy into mechanical energy (of motion)
Machete
Type of broad and heavy knife
Wankel engine
Combustion engine using an eccentric rotary design
Astrolabe
Astronomical instrument
Plough
Tool or farm implement
Medical technology View All
Electrocardiography
Examination of the heart's electrical activity
Magnetic resonance imaging
Medical imaging technique
CT scan
Medical imaging procedure using X-rays to produce cross-sectional images
Endoscopy
Examine the interior of a hollow organ or cavity of the body
Electroencephalography
Electrophysiological monitoring method to record electrical activity of the brain
Positron emission tomography
Medical imaging technique
Medical imaging
Technique and process of creating visual representations of the interior of a body
Prosthesis
Artificial device that replaces a missing body part
Ambulance
Vehicle equipped for transporting and care for ill and wounded people
DNA profiling
Technique used to identify individuals via DNA characteristics
Medical ultrasound
Medical intervention
Radiography
Imaging technique using ionizing and non-ionizing radiation
Wheelchair
Chair with wheels used by people with mobility deficiencies
Cardiopulmonary bypass
Technique that temporarily takes over the function of the heart and lungs during surgery
Air medical services
Use of air transportation to move patients to and from healthcare facilities and accident scenes
Dialysis (chemistry)
Process of separating molecules
Artificial organ
Engineered device or tissue that is implanted or integrated into a human to replace a natural organ
Military technology View All
Northrop B-2 Spirit
American strategic stealth bomber
Lockheed Martin F-35 Lightning II
American stealth multirole fighter aircraft
Boeing B-52 Stratofortress
US Air Force strategic bomber (1955–present)
Rockwell B-1 Lancer
American strategic bomber by Rockwell International, later Boeing
White phosphorus munition
Incendiary munition
Lockheed Martin F-22 Raptor
American stealth air superiority fighter
General Dynamics F-16 Fighting Falcon
American multi-role fighter aircraft
Dassault Rafale
Multi-role combat aircraft family by Dassault
AK-47
1949 Soviet 7.62×39mm assault rifle
Lockheed SR-71 Blackbird
Supersonic reconnaissance aircraft in service with US Air Force 1964-1998
Eurofighter Typhoon
1994 multi-role combat aircraft family by Eurofighter
McDonnell Douglas F-15 Eagle
Multirole and air superiority fighter family
Intercontinental ballistic missile
Ballistic missile with a range of more than 5,500 kilometres
Mikoyan-Gurevich MiG-21
1956 Soviet fighter aircraft family
M4 carbine
A type of selective-fire carbine assault rifle
McDonnell Douglas F/A-18 Hornet
American carrier-capable multirole strike aircraft
M16 rifle
American assault rifle
Enola Gay
US Army Air Forces Boeing B-29 airplane that dropped the first atomic bomb
Lockheed C-130 Hercules
Military transport aircraft
Glock
Series of pistols
M1911 pistol
American semi-automatic pistol
Fairchild Republic A-10 Thunderbolt II
American close air support attack aircraft
Nuclear weapon
Explosive weapon that utilizes nuclear reactions
Boeing B-29 Superfortress
Four-engined American heavy bomber aircraft
AR-15–style rifle
Lightweight semi-automatic based on the Colt AR-15 design
Navigation and timekeeping View All
Time zone
Area that observes a uniform standard time
September
Ninth month in the Julian and Gregorian calendars
October
Tenth month in the Julian and Gregorian calendars
Global Positioning System
United States satellite navigation system
Gregorian calendar
Internationally accepted civil calendar
June
Sixth month in the Julian and Gregorian calendars
Cardinal direction
Directions of north, east, south and west
Hebrew calendar
Lunisolar calendar used for Jewish religious observances
Daylight saving time
Seasonal change of clock settings
Julian calendar
Calendar introduced by Julius Caesar
Islamic calendar
Lunar calendar used by Muslims to determine religious observances
May
Fifth month in the Julian and Gregorian calendars
Radar
Object detection system using radio waves
Leap year
Calendar year containing an additional day
Calendar
System for organizing the days of year
Names of the days of the week
List article
Dead reckoning
Process of calculating one's current position by using a previously determined position
Chinese calendar
Lunisolar calendar from China
F.C. Copenhagen
Professional football club in Copenhagen, Denmark
Gyroscope
Device for measuring or maintaining orientation and direction
Watch
Personal timepiece
Alarm clock
Type of clock
Pendulum
Mechanism for regulating the speed of clocks
Atomic clock
Extremely accurate reference clock used as standard for timekeeping
Sonar
Technique that uses sound propagation
Optical technology View All
Scanning electron microscope
Type of electron microscope
Holography
Recording to reproduce a three-dimensional light field
Lens
Optical device which transmits and refracts light
Glasses
Form of vision aid
Mirror
Object that reflects light
Photography
Art and practice of creating images by recording light
Fresnel lens
Compact composite lens
Transmission electron microscopy
Technique in microscopy
Electron microscope
Type of microscope with electrons as a source of illumination
Digital single-lens reflex camera
Digital cameras combining the parts of a single-lens reflex camera and a digital camera back
Diffraction grating
Optical component which splits light into several beams
Periscope
Instrument for observation from a concealed position
Scanning tunneling microscope
Instrument able to image surfaces at the atomic level by exploiting quantum tunneling effects
Binoculars
Pair of telescopes mounted side-by-side
Photographic film
Visual storage media used by film (analog) cameras
Magnifying glass
Convex lens used to magnify images
Nd:YAG laser
Crystal used as a lasing medium for solid-state lasers
Projector
Optical device that projects an image or moving images onto a surface
High dynamic range
Enhanced signal representation in images, videos, audio or radio
Interferometry
Measurement method using interference of waves
Maser
Microwave Amplification by Stimulated Emission of Radiation
Single-lens reflex camera
Camera that typically uses a mirror and prism system
One-way mirror
Glass that allows people on one side to see those on the other but not vice versa
Ruby laser
Solid-state laser with ruby as gain medium
Instant camera
Type of camera whose film self-develops a short time after the picture is taken
Astronomical technology View All
James Webb Space Telescope
NASA/ESA/CSA space telescope launched in 2021
Hubble Space Telescope
Space telescope
Arecibo Observatory
Radio observatory in Arecibo, Puerto Rico
Extremely Large Telescope
Major astronomical facility in Chile
Telescope
Instrument that makes distant objects appear magnified
Very Large Telescope
Telescope in the Atacama Desert, Chile
LIGO
Gravitational wave detector
Kepler space telescope
Tenth mission of the Discovery program; optical space telescope for exoplanetology
IceCube Neutrino Observatory
Observatory constructed under the ice at the South Pole
Ephemeris
Table of values that gives the positions of astronomical objects in the sky at a given time or times
Very Large Array
Radio astronomy observatory located in New Mexico
Five-hundred-meter Aperture Spherical Telescope
Radio telescope located in Guizhou Province, China
Reflecting telescope
Telescopes which utilize curved mirrors to form an image
Radio telescope
Directional radio antenna used in radio astronomy
Space telescope
Instrument in outer space for observing distant space objects
Chandra X-ray Observatory
Space telescope
Thirty Meter Telescope
Future observatory in the United States
Refracting telescope
Type of optical telescope
Gaia (spacecraft)
European optical space observatory for astrometry
Square Kilometre Array
Radio telescope planned in Australia and South Africa
Newtonian telescope
Type of reflecting telescope
Star chart
Map of the night sky
Spitzer Space Telescope
Infrared space telescope
Atacama Large Millimeter Array
66 radio telescopes in the Atacama Desert of northern Chile
Jodrell Bank Observatory
Radio astronomical observatory at the University of Manchester, England
Space View All
International Space Station
Inhabited space station in low Earth orbit
Space Shuttle Columbia disaster
Fatal in-flight breakup of the space vehicle
Apollo 11
First crewed Moon landing (1969)
Space Shuttle Challenger disaster
1986 breakup of U.S. Space Shuttle
Apollo program
1961–1972 American crewed lunar exploration program
NASA
American space and aeronautics agency
Voyager 1
NASA space probe launched in 1977
Satellite
Human-made object put into an orbit
Sputnik 1
First artificial Earth satellite
Space Shuttle
Partially reusable launch system and space plane
ISRO
India's national space agency
Mars rover
Robotic vehicle for Mars surface exploration
Astronaut
Person who commands, pilots, or serves as a crew member of a spacecraft
Saturn V
American super heavy-lift expendable rocket
Curiosity (rover)
NASA robotic rover exploring the crater Gale on Mars, arrived in August 2012
Voyager program
American NASA scientific program about the space probes Voyager 1 and Voyager 2
Perseverance (rover)
NASA Mars rover deployed in 2021
Space station
Habitable artificial satellite
New Horizons
NASA spacecraft launched in 2006
Voyager 2
NASA space probe launched in 1977
Mir
Soviet/Russian space station that operated in Earth orbit from 1986 to 2001
European Space Agency
Intergovernmental organization dedicated to the exploration of space
Baikonur Cosmodrome
Rocket launch complex in Kazakhstan, used by Russia
Rocket
Vehicle propelled by a reaction gas engine
Cassini–Huygens
Space research mission sent to the Saturnian system
Transportation View All
Boeing 787 Dreamliner
Boeing wide-body jet airliner
Airbus A380
Wide-body double deck aircraft
Boeing 747
American wide-body long-range commercial jet aircraft
Boeing 777
Wide-body, long-range, twin-engine jet airliner family
Boeing 737
Single-aisle airliner family by Boeing
Concorde
British–French supersonic airliner
Namma Metro
Rapid Transit System in Bangalore, Karnataka, India
Airbus A350
Wide-body, long-range, twin-engine jet airliner family
John F. Kennedy International Airport
Major U.S. airport in New York City
Airbus A320 family
Airliner family
Antonov An-225 Mriya
Soviet/Ukrainian six-engine heavy strategic cargo aircraft
Airbus A330
Wide-body twin-engine jet airliner
Heathrow Airport
Main airport serving London, England, United Kingdom
Ilyushin Il-76
Russian heavy military transport aircraft
Unmanned aerial vehicle
Aircraft without any humans on board
Boeing 707
Narrow-body jet airliner family
Indira Gandhi International Airport
International airport in Delhi, India
Bicycle
Pedal-driven two-wheel vehicle
Shinkansen
Japanese high-speed rail system
Boeing 767
Wide-body twin-engine jet airliner family
Embraer E-Jet family
Regional jet airliner family
Boeing 757
Airliner family by Boeing
Delhi Metro
Rapid transit system in India serving Delhi NCR
Hartsfield–Jackson Atlanta International Airport
Airport serving Atlanta, Georgia, United States
O'Hare International Airport
Airport serving Chicago, Illinois, United States