Semantic Coherence: SRI International – Signal Evidence & AI Readability

We create and deliver world-changing solutions for a safer, healthier, and more sustainable future.

A global leader in R&D with deep roots in Silicon Valley, SRI is an independent nonprofit research institute with a rich history of supporting government and industry. For almost 80 years, we have collaborated across technical and scientific disciplines to discover and develop groundbreaking products and technologies and bring innovations and ideas to the marketplace.
Innovating in
AI
Climate & sustainability
The future of education & work
Health
Quantum
Security
Space
[H2] News and stories
All Stories
[IMG: SRI spinout Autonomique brings lab research to the factory floor]
[H3] SRI spinout Autonomique brings lab research to the factory floor
Licensed teleoperation and AI are driving production-grade robotics at a global Tier 1 automotive supplier
[IMG: SRI’s Tixiao Shan recognized by Scientific American]
[H3] SRI’s Tixiao Shan recognized by Scientific American
His work: robots that navigate spaces, reason about objects, and understand relationships.
[IMG: The SRI Dish turns 65]
[H3] The SRI Dish turns 65
SRI’s iconic antenna celebrates 65 years of looking to space.
[H2] Work with us
At SRI, we’re always leaning toward the future — to the possibilities ahead — to bring to the world the next generation of technologies, services, and ideas.
We’re blazing new trails every day in quantum, AI, human-machine collaboration, precision medicine, education, sustainability, and much more.
Learn how you can make your mark — and build your own legacy.
[H2] Collaborate with us
We take on the most difficult scientific challenges — and deliver. From our two locations in the heart of Silicon Valley, plus our offices and labs throughout the U.S. and Tokyo, we collaborate closely with government and commercial customers to meet their precise needs and specifications — and to come up with solutions they may have never dreamed possible.
Learn more about how we might work together.
[H2] Connect with us
At SRI, we bring together some of the world’s most interesting people for conversations at the intersection of technology, business, and society. Reserve your spot at one of our upcoming events and be a part of shaping the future with us. And find out how you can meet some of our researchers at events throughout the U.S. and the world.
Learn more about the events coming up near you.
[H2] Our legacy of innovation
full index
Since our founding in 1946, SRI has invented and made meaningful contributions to innovations that touch every one of our lives, every day. Explore how these technologies, services, and ideas have created new industries, billions of dollars in market value, and lasting benefits to society.

[H3] Siri
2000s

[H3] Disneyland
1955

[H3] Transmission electron microscope
1940

[H3] Acoustic modem
1960s

[H3] Sleep activated neurons
2008

[H3] Golf economy
2002

[H3] Artificial muscle
2000s

[H3] Telerobotic surgery
1990s

[H3] High-definition television
1996

[H3] Domain names and the Network Information Center
1970

[H3] Iris recognition
2003

[H3] Solar energy
1995

[H3] Environmental test methods
1980s

[H3] India’s National Council for Applied Economic Research
1955

[H3] Internetworking
1970s

[H3] ARPANET
1969

[H3] Handwriting recognition, signature verification, and pen-input computing
1964

[H3] Over-the-horizon radar
1970s

[H3] Spindt cold cathode for displays
1973

[H3] Cancer research
1956

[H3] Color television
1953

[H3] Ozone depletion research
1980s

[H3] Environmental causes of lung disease
1970s

[H3] Laser photocoagulation for ophthalmology
1966

[H3] Banking automation: ERMA
1955

[H3] Electrostatic discharge rods
1950s

[H3] Software implemented fault tolerance
1973

[H3] Postal address recognition
1997

[H3] NASA Parker Solar Probe
2018

[H3] Surface Analysis by Laser Ionization (SALI)
1984

[H3] Movie printing timer
1950

[H3] Smog research
1947

[H3] Super steel alloys
1950s

[H3] Risks forum
1980s

[H3] Liquid crystal display
1960s

[H3] Lymphoma treatment: Targretin® (bexarotene)
1999

[H3] Airline reservation system
1960s

[H3] Random Sample Consensus (RANSAC) algorithm
1981

[H3] Sonar and sea mammals
1960

[H3] Polymers for super strength
1980s

[H3] National education technology plan development
2010s

[H3] Network intrusion detection
1990s

[H3] Longitudinal studies of youth with disabilities
1985

[H3] Malaria treatment: Halofantrine
1975

[H3] Radar that penetrates ground and foliage
1990s

[H3] Maude software language
1996

[H3] Computer security theory of noninterference
1982

[H3] Robot teams: Centibots
2002

[H3] CMOS: Integrated Circuit
1975

[H3] Professional Golfers’ Association education
1992

[H3] Computer mouse
1960s

[H3] PROSPECTOR computer-based expert system
1970s

[H3] Natural language speech recognition
1996

[H3] Head Start Program
1969

[H3] Shakey the Robot
1966

[H3] TIROS 1 weather satellite
1960

[H3] Scenario planning
1970s

[H3] Order-sorted algebra
1980s

[H3] Virtual private networks
1994

[H3] Monterey Bay Aquarium
1977

[H3] Formal software methods
1970s

[H3] Optical video disk
1963

[H3] MOTOBOT
2016

[H3] 911 Emergency Call System
1970s

[H3] Blue light-emitting diode
1972

[H3] Laser printing
1971

[H3] Air combat training
1980s

[H3] Human liver tissue bank
1980s

[H3] Railroad hydra-cushion
1950s

[H3] Twin research
1995

[H3] Hazardous waste disposal
1998

[H3] Alto PC
1973

[H3] Advanced modular incoherent scatter radar
2005

[H3] Rapid prototyping method for ceramics
1990s

[H3] Open agent architecture software
1990s

[H3] WYSIWYG
1974

[H3] Graphical User Interface (GUI)
1975

[H3] Ethernet
1973

[H3] Virtual advertising insertion
2016

[H3] Natural Language Processing
1979

[H3] Atmospheric research and radar
1983

[H3] Football safety
1980s

[H3] Two-dimensional laser fluorescence technology
1982

[H3] ImageCALC Software
1980s

[H3] Anti-viral: Vidarabine
1964

[H3] All-magnetic logic computer
1959

[H3] Artificial intelligence: CALO
2003

[H3] Training the National Guard
2005

[H3] Venus night-side airglow
2001

[H3] Bioagent detection using upconverting phosphors
1990s

[H3] Blood treatment: Hirudin
1980s

[H3] Eyetracker
1965

[H3] Ultrasound for medical diagnostics
1980s

[H3] Deafnet
1978

[H3] Cash management accounts
1970s

[H3] VALS™ market research
1978

[H3] Cancer treatment: Pralatrexate
2009

[H3] Fracture Analysis System: FRASTA
1980s

[H3] CCD broadcast camera
1984

[H3] Banking guidelines for SWIFT
1977

[H3] Charter school evaluation
2002

[H3] Chemical Economics Handbook
1950s

[H3] Digital FAX machine
1970s

[H3] Dish radio antenna
1960s

[H1] 1970s

[IMG: Atmospheric research and radar]

[H2] Atmospheric research and radar

[IMG: Natural Language Processing]

[H2] Natural Language Processing

[IMG: 911 emergency call system]

[H2] 911 emergency call system

[IMG: Deafnet]

[H2] Deafnet

[IMG: VALS™ market research]

[H2] VALS™ market research

[IMG: Monterey Bay Aquarium]

[H2] Monterey Bay Aquarium

[IMG: Internetworking]

[H2] Internetworking

[IMG: Graphical User Interface (GUI)]

[H2] Graphical User Interface (GUI)

[IMG: WYSIWYG]

[H2] WYSIWYG

[IMG: Banking guidelines for SWIFT]

[H2] Banking guidelines for SWIFT

[IMG: Ethernet]

[H2] Ethernet

[IMG: Alto PC]

[H2] Alto PC

[H1] 1980s

[IMG: Ozone depletion research]

[H2] Ozone depletion research

[IMG: Longitudinal studies of youth with disabilities]

[H2] Longitudinal studies of youth with disabilities

[IMG: CCD broadcast camera]

[H2] CCD broadcast camera

[IMG: Football safety]

[H2] Football safety

[IMG: Order-sorted algebra]

[H2] Order-sorted algebra

[IMG: Surface analysis by laser ionization (SALI)]

[H2] Surface analysis by laser ionization (SALI)

[IMG: Human liver tissue bank]

[H2] Human liver tissue bank

[IMG: Polymers for super strength]

[H2] Polymers for super strength

[IMG: Environmental test methods]

[H2] Environmental test methods

[IMG: Ultrasound for medical diagnostics]

[H2] Ultrasound for medical diagnostics

[IMG: Blood treatment: Hirudin]

[H2] Blood treatment: Hirudin

[IMG: Two-dimensional laser fluorescence technology]

[H2] Two-dimensional laser fluorescence technology

[H1] 1990s

[IMG: Bioagent detection using upconverting phosphors]

[H2] Bioagent detection using upconverting phosphors

[IMG: Network intrusion detection]

[H2] Network intrusion detection

[IMG: Lymphoma treatment: Targretin® (bexarotene)]

[H2] Lymphoma treatment: Targretin® (bexarotene)

[IMG: The first-down marker: How technology changed the game]

[H2] The first-down marker: How technology changed the game

[IMG: Hazardous waste disposal]

[H2] Hazardous waste disposal

[IMG: Postal address recognition]

[H2] Postal address recognition

[IMG: High-definition television]

[H2] High-definition television

[IMG: Virtual advertising insertion]

[H2] Virtual advertising insertion

[IMG: Natural language speech recognition]

[H2] Natural language speech recognition

[IMG: BioCyc database collection]

[H2] BioCyc database collection

[IMG: Telerobotic surgery]

[H2] Telerobotic surgery

[IMG: Twin research]

[H2] Twin research