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EVTOL
An eVTOL (electric vertical take-off and landing) aircraft is an electric aircraft that takes off and lands vertically like a helicopter, often called an air taxi.
Ewa Alice Bardasz
Ewa Alice Bardasz is a tribology and lubrication engineer, cofounder of Zual Associates in Lubrication in Mentor, Ohio, elected to the National Academy of Engineering in 2015.
EWE (utility)
EWE AG is a German energy and telecommunications company headquartered in Oldenburg, Lower Saxony, serving northwestern Germany, Brandenburg, and Rügen with electricity, natural gas, and telecom services.
Ewenki power station
Ewenki power station (鄂温克电厂) is a 1,200 MW lignite-fired power station in the Evenki Autonomous Banner of Hulunbuir, Inner Mongolia, China, with two 600 MW units commissioned in 2011 and 2012.
eWLB
eWLB, or embedded wafer-level ball grid array, is a fan-out wafer-level packaging technology developed by Infineon between 2001 and 2007 and introduced to the market in 2009.
EWM (welding)
EWM, originally Elektrowerke Mündersbach, is a German family-owned manufacturer of arc welding equipment and robotic welding systems, founded in 1957 and headquartered in Mündersbach in the Westerwald region of Germany.
Exa (search engine)
Exa is a San Francisco search engine that serves web results to AI agents through an API, matching queries by meaning using embeddings rather than keywords.
Exact cellular decomposition coverage
Exact cellular decomposition coverage is a coverage path planning method dividing a robot's free space into non-overlapping cells whose union exactly fills it, so covering every cell covers the whole environment.
Exact inference
Exact inference is a class of algorithms that computes posterior probabilities in probabilistic graphical models exactly, using methods like variable elimination and the junction tree algorithm.
Exactly-once semantics
Exactly-once semantics: strongest stream processing guarantee that no record is lost or duplicated under failure, achieved via checkpointing, deduplication IDs, and transactions in Dataflow, Flink, Kafka, and Spark.
ExacTrac Dynamic
ExacTrac Dynamic is a patient positioning and monitoring system for radiotherapy, made by Brainlab of Munich, Germany, combining optical surface tracking, thermal imaging, and stereoscopic X-ray verification.
Exadata
Oracle Exadata is an engineered database system combining Oracle Database servers with intelligent storage servers, first shipped in 2008 and sold as racks or cloud services.
Exail Technologies
Exail Technologies is a French high-tech holding company specializing in maritime robotics and navigation systems, formerly Groupe Gorgé, serving defense and civil customers in 80 countries.
Exaone (model family)
EXAONE is a family of large language models from LG AI Research, spanning bilingual English-Korean, reasoning, Mixture-of-Experts, and vision-language models released from 2024 to 2026.
Exascale computing
Exascale computing, done by exascale computers, is supercomputing at one quintillion (10^18) floating-point operations per second, a thousandfold step beyond petascale, first achieved by the United States' Frontier machine in 2022.
Exascale Computing Project
The Exascale Computing Project was a $1.8 billion US Department of Energy program, running 2016 to 2024, that readied software and applications for the nation's first exascale supercomputers.
Excalibur (automobile)
Excalibur is a West Allis, Wisconsin, neoclassic automobile founded by David and William Stevens in 1964, which produced cars powered by Chevrolet V8s from 1965 until 1997.
Excalibur rifle
The Excalibur rifle is a 5.56×45 mm assault rifle developed in India as an improved version of the INSAS, rejected by the Indian Army in 2016.
Excavator
An excavator, also called a trackhoe or hydraulic excavator, is a construction machine for earthmoving, using engine-driven hydraulics to move its boom, arm, and bucket.
Excelerate Energy
Excelerate Energy is an American LNG infrastructure company in The Woodlands, Texas, founded in 2003 by George B. Kaiser, that pioneered the floating storage and regasification unit.
Excimer lamp
An excimer lamp is a mercury-free ultraviolet light source emitting a single narrow band from short-lived excited dimers, typically in a dielectric barrier discharge, used for disinfection, water treatment, and coating matting.
Exciplex emission in organic light-emitting diodes
Exciplex emission in organic light-emitting diodes is light from an excited donor-acceptor complex at interfaces between hole- and electron-transporting materials, exploited since about 2012 as emitter and host.
Excitation trajectory optimization
Excitation trajectory optimization is the design of a robot's reference motion, often a finite Fourier series, chosen to make estimating dynamic parameters like link masses and friction coefficients as accurate as possible.
Execuflight Flight 1526
Execuflight Flight 1526 was a charter flight whose Hawker 700A crashed on approach to Akron Fulton International Airport in Ohio on November 10, 2015, killing all nine aboard.
Executable
An executable is a file containing machine code that an operating system loads and runs as a process, produced by compiling and linking source code.
Executable and Linkable Format
The Executable and Linkable Format (ELF), also called ELF32, is a standard file format for executables, shared objects, relocatable object files, and core files, originating in System V.
Execution-based verification
Execution-based verification judges generated programs by running them on test inputs and checking behavior, supplying the pass@k metric and reward signals for training LLMs to write code.
Executive car
An executive car is a medium-to-large premium saloon or estate, classified as Segment E in UK and EU vehicle categories, typified by the Mercedes-Benz E-Class and BMW 5 Series.
Executive Decision
Executive Decision (1996) is an American action thriller, Stuart Baird's directorial debut, written by Jim and John Thomas. Kurt Russell's intelligence analyst boards a hijacked 747 carrying nerve gas; Steven Seagal's character dies early. Grossed $55.7M in the US.
ExecuTorch
ExecuTorch is an open-source stack from Meta for running PyTorch machine learning models directly on edge devices, from phones to microcontrollers, without a cloud connection.