All articles A–Z
519,064 articles
Ambev
Ambev, Companhia de Bebidas das Américas, is a Brazilian brewing company formed in 1999 and 2000 from the merger of Brahma and Antarctica, two of Brazil's oldest brewers.
AmBex Venture Partners
AmBex Venture Partners is a Silicon Valley venture capital firm founded in 1996 by Chong-Moon Lee of Diamond Multimedia, investing its own capital in technology and bioscience startups.
Ambhi
Ambhi (अम्भि), known as Omphis or Taxiles in Greek sources, was the ruler of Taxila on the Indus who allied with Alexander the Great against Porus in 326 BC.
Ambidexterity
Ambidexterity: equal skill or no preference between both hands, distinct from mixed-handedness. Rare in humans (about 2% of adults); linked to weak lateralization, negligible cognitive differences, and no confirmed corpus callosum enlargement.
Ambience Healthcare
Ambience Healthcare is a San Francisco health-AI startup, founded in 2020 by Michael Ng and Nikhil Buduma, whose AutoScribe platform automates clinical documentation and coding.
Ambient 1: Music for Airports
Ambient 1: Music for Airports is a 1978 studio album by Brian Eno, the first in his Ambient series and the first album issued under the term ambient music.
Ambient mass spectrometry
Ambient mass spectrometry, also called ambient ionization mass spectrometry, analyzes untreated samples in open air without sample preparation, beginning with DESI in 2004 and DART in 2005.
Ambient music
Ambient music, a genre named by Brian Eno in 1978 with Music for Airports, is atmosphere-oriented music 'as ignorable as it is interesting', spanning drone, new age, ambient techno, and chill-out, now strained by short-form streaming economics.
Ambient noise cross-correlation
Ambient noise cross-correlation is a seismology technique that estimates the Green's function between two stations by cross-correlating continuous recordings of background seismic noise, treating one as a virtual source.
Ambient noise tomography
Ambient noise tomography is a seismic imaging technique that cross-correlates continuous background noise recorded at station pairs to build 3D shear-wave velocity models of the crust.
Ambient occlusion
Ambient occlusion (AO) darkens crevices and contact points where ambient light is blocked. Key variants: SSAO (Crysis 2007), HBAO/HBAO+, GTAO (Jimenez et al., 0.5 ms on PS4), VXAO, RTAO.
Ambient-pressure X-ray photoelectron spectroscopy
Ambient-pressure X-ray photoelectron spectroscopy (AP-XPS), also called NAP-XPS, is a form of X-ray photoelectron spectroscopy that measures surfaces in a surrounding gas instead of vacuum, mainly to study catalysts under reaction conditions.
Ambigram
Ambigram: typographic art readable in multiple orientations, coined by Douglas Hofstadter (1983–84), developed by Scott Kim and John Langdon; types include rotational, mirror, chain, and figure/ground designs.
Ambiguity
Ambiguity (linguistic ambiguity): the property of a word or utterance bearing two or more meanings or interpretations. Types include lexical, morphological, syntactic, and pragmatic; distinguished from vagueness, context sensitivity, and generality, and central to sentence processing, law, and NLP.
Ambiguity aversion
Ambiguity aversion is a preference for betting on events of known probability over events of unknown probability, first documented by Daniel Ellsberg's 1961 urn experiments.
Ambiguity function
The ambiguity function is a two-dimensional function of time delay and Doppler frequency, credited to P. M. Woodward, that characterizes how well a radar waveform resolves range and velocity.
Ambiguous Adventure
Ambiguous Adventure (L'Aventure ambiguë) is a 1961 novel by Senegalese writer Cheikh Hamidou Kane about a young Fulani boy caught between Islamic tradition and French colonial education; it won the 1962 Grand Prix Littéraire d'Afrique Noir.
Ambika (അംബിക) (actress)
Ambika (അംബിക), South Indian film actress of the 1980s in Malayalam, Tamil, Kannada, and Telugu cinema; elder sister of actress Radha; heroine debut around 1978, about 150 Malayalam films, Nancy in Rajavinte Makan, co-ran ARS Studios. Not Ambika Mohan, Ambika Mod, or Ambika Rao.
Ambika Bajpayee
Ambika Bajpayee is a bioengineer at Northeastern University who designs positively charged drug carriers that penetrate negatively charged tissues like cartilage, earning the 2025 PECASE award.
Ambika Sukumaran (അമ്പിക സുകുമാരൻ)
Ambika Sukumaran is an Indian former actress who was a leading heroine of Malayalam cinema in the 1950s and 1960s. She appeared in 71 films.
Ambipolar diffusion
Ambipolar diffusion is the process in weakly ionized plasmas where fast electrons and slow ions are forced to diffuse together at one rate by a self-generated electric field.
Ambipolar organic transistor
An ambipolar organic transistor is an organic field-effect transistor whose single semiconducting layer transports both holes and electrons, operating as p-type, n-type, or a p-n junction.
Ambiq Micro
Ambiq Micro is a fabless semiconductor company in Austin, Texas, founded in 2010 by Scott Hanson, that makes ultra-low-power chips for battery-powered edge AI devices such as smartwatches.
Ambisonics
Ambisonics, or ambisonic surround sound, is a 3D audio format developed in 1970s Britain by Michael Gerzon and P. B. Fellgett, encoding sound fields as spherical harmonics rather than speaker channels.
Ambitiouz Entertainment
Ambitiouz Entertainment (Ambitious Group Pty Ltd) is an independent, black-owned South African record label founded in Johannesburg by Kgosi Mahumapelo around 2015, known for launching Emtee, Sjava, Amanda Black, and A-Reece, and for later artist-contract disputes and a 2026 relaunch.
Ambivalence
Ambivalence: simultaneous contradictory feelings or attitudes toward the same object, coined by Eugen Bleuler (1911) for schizophrenia and extended by Freud. Modern research distinguishes objective from subjective ambivalence and links it to discomfort, weak attitude-behavior ties, and decisions.
Ambivalent Sexism Inventory
The Ambivalent Sexism Inventory (ASI) is a 22-item questionnaire measuring hostile and benevolent sexism toward women, introduced by Peter Glick and Susan Fiske in 1996.
Ambix
Ambix, quarterly peer-reviewed journal of the Society for the History of Alchemy and Chemistry (SHAC), founded May 1937, published by Taylor & Francis, covering the intellectual, social, and cultural history of alchemy and chemistry.
Amblada
Amblada (Greek Ἄμβλαδα) was a small city of ancient Pisidia in southern Asia Minor, on Asar Tepe near Seydişehir in Konya Province, Turkey, known from Strabo, its bronze coinage, and surface surveys.
Amble (band)
Amble is an Irish folk trio formed in 2022 by two former teachers and a data scientist, whose debut album Reverie topped the Irish Albums Chart for four weeks.