61,984 articles
EMD MRS-1
The EMD MRS-1 is a six-axle diesel-electric locomotive built by General Motors' Electro-Motive Division in 1952 for the US Army, designed for multiple track gauges.
EMD SD40-2
The EMD SD40-2 is a six-axle, 3,000 hp diesel-electric freight locomotive built by General Motors from 1972 to 1986 and one of the best-selling in North America.
EMD SD70 series
The EMD SD70 series is a family of six-axle diesel-electric freight locomotives built by Electro-Motive Diesel, introduced in late 1992 as an extension of the SD60.
EMD SD90MAC
The EMD SD90MAC is a six-axle diesel-electric locomotive built by EMD from 1995, intended as the first 6,000 hp single-engine diesel; early units were SD9043MACs with a 4,300 hp engine.
Emera Brunswick Gas Pipeline
A 145 km natural gas pipeline carrying re-gasified LNG from the Saint John terminal near Saint John, New Brunswick, to the Maritimes & Northeast Pipeline at the US border.
Emeraude Marine Oil and Gas Field
Emeraude Marine is a shallow-water offshore oil field off Pointe-Noire in the Republic of the Congo, discovered in 1969 as the country's first major oil field.
Emergency core cooling system
The emergency core cooling system (ECCS) is a nuclear reactor safety system of pumps, valves, and tanks that cools fuel rods when normal cooling fails.
Emergency Declaration (비상선언) (film)
Emergency Declaration (비상선언) is a 2022 South Korean aviation-disaster thriller written and directed by Han Jae-rim, about a bioterrorist attack on a passenger flight from Incheon to Hawaii.
Emergency exit sign
An emergency exit sign is a permanently installed sign marking an exit or escape route, lit by LED, photoluminescent, or external light, showing "EXIT" or the ISO 7010 running man.
Emergency landing
An emergency landing is a landing made when an aircraft can no longer continue its flight under normal procedures, whether from engine failure, fire, weather, or a medical emergency.
Emergency light
An emergency light is a battery-backed luminaire that switches on automatically when normal lighting fails, illuminating escape routes and exits so occupants can evacuate a building safely.
Emergency locator transmitter
An emergency locator transmitter (ELT) is a battery-operated aircraft radio transmitter that activates on crash forces and broadcasts a distress signal to help rescuers locate the downed plane.
Emergency position-indicating radiobeacon
An emergency position-indicating radiobeacon (EPIRB) is a battery-powered maritime distress transmitter that sends a coded 406 MHz signal to the Cospas-Sarsat satellite system, which has helped rescue more than 50,000 people since 1982.
Emergency roadside telephone
An emergency roadside telephone, commonly called a call box, is a phone beside a highway that connects stranded motorists directly to police or highway patrol dispatch.
Emergency service response codes
Emergency service response codes are standardized labels used by emergency dispatchers and responders to classify an incident's type and urgency, determining which resources are sent and how quickly.
Emergency SOS via satellite
Emergency SOS via satellite is an Apple service, launched with the iPhone 14 in November 2022, for texting emergency services when no cellular or Wi-Fi network is available.
Emergency telephone number
An emergency telephone number is a short, free three-digit number, such as 112 or 911, that connects callers to police, fire, and ambulance dispatch services.
Emergency vehicle lighting
Emergency vehicle lighting, also known as police lights, is the flashing warning lamps fitted to police, fire, and ambulance vehicles to alert motorists and pedestrians.
Emergency vehicle preemption
Emergency vehicle preemption is a traffic signal mode that gives approaching emergency vehicles the right of way, cutting response times by up to 50 percent.
Emergent abilities debate
The emergent abilities debate is a 2022–2023 machine-learning dispute over whether large language models gain sharp, unpredictable capability jumps as they scale, or whether those jumps are metric artifacts.
Emergent abilities of large language models
Emergent abilities of large language models are capabilities, such as multi-step reasoning, that appear in models above a certain scale but are absent in smaller models trained the same way.
Emergent misalignment
Emergent misalignment is a phenomenon in language model safety research, first reported in 2025, in which finetuning a model on a narrow task such as writing insecure code produces broad misaligned behavior in unrelated domains.
Emerging Objects
Emerging Objects is an Oakland, California 3D printing company co-founded by Ronald Rael and Virginia San Fratello, known for inventing printable building materials including salt and cement polymer.
Emerging technologies
Emerging technologies, also called new technologies, are novel technologies in early stages of development and diffusion, marked by rapid change and uncertainty about their future impact.
Emerson Electric
Emerson Electric Co. is an American automation technology company headquartered in St. Louis, Missouri. Founded in 1890, it reported net sales of $18.0 billion for fiscal 2025.
Emery Walker
Emery Walker (1851–1933) was an English process engraver, printer, and typographic adviser, a central figure in the Arts and Crafts and Private Press movements who co-founded the Doves Press.
Emery Worldwide
Emery Worldwide, also known as Emery Air Freight, was an American air freight company founded in 1946 whose airline was grounded by the FAA in August 2001.
Emesent Hovermap ST
Emesent Hovermap ST is a mobile LiDAR mapping payload by Australia's Emesent, launched in 2022, that maps GPS-denied environments like mines and tunnels using SLAM.
EMIB
EMIB, short for Embedded Multi-die Interconnect Bridge, is an Intel packaging technology that connects chiplets with small silicon bridges embedded in the package substrate, in high-volume manufacturing since 2017.
Emil Frey Group
The Emil Frey Group is a Swiss, family-owned automotive import and retail group founded in Zurich in 1924, ranking first among Europe's largest dealer groups.