All articles starting with Q
2,252 articles
QBasic
QBasic is a free BASIC interpreter and IDE Microsoft bundled with MS-DOS 5.0 in 1991, a stripped-down QuickBASIC whose sample games Nibbles and Gorillas taught programming.
QBE Insurance Group
QBE Insurance Group Limited is an Australian international commercial and specialty insurer and reinsurer, founded in Townsville, Queensland in 1886 and now headquartered in Sydney, operating in 26 countries.
QBittorrent
QBittorrent is a free and open-source BitTorrent client for Windows, macOS, Linux, FreeBSD, and OS/2, built as an open-source alternative to µTorrent with a similar interface, built-in search, and no ads.
QBO
QBO is a Mexican alternative rock power trio from Mexico City, formed around 2002 by Tonio Ruiz, Lu Salinas, and Tarro Martínez, with five albums since 2003.
QBS-06
The QBS-06 (06式5.8毫米水下自动步枪) is a Chinese underwater assault rifle for PLA Navy combat divers, patterned after the Soviet APS and firing the 5.8 mm DBS-06 dart cartridge; it was design-finalized in 2006.
QBZ-95 (95式自动步枪)
The QBZ-95 (95式自动步枪, Type 95) is a Chinese bullpup assault rifle made by Norinco, the People's Liberation Army's service rifle since 1995, chambered for the 5.8×42mm DBP87 cartridge.
QC080000
QC 080000 is an international technical specification published by IECQ that defines Hazardous Substance Process Management requirements, built on ISO 9001, supporting compliance with EU RoHS, WEEE, and REACH.
QCD critical point
The QCD critical point is a hypothesized point in the quantum chromodynamics phase diagram where the first-order transition between quark-gluon plasma and hadronic matter ends, sought at RHIC.
QCD factorization
QCD factorization is a particle physics framework separating hard hadronic processes into short-distance parts calculable in perturbation theory and universal nonperturbative functions such as parton distribution functions.
QCD matter
QCD matter, also called quark matter, is matter whose behavior follows quantum chromodynamics, including the hot quark-gluon plasma and cold dense quark matter in neutron stars.
QCD sum rules
QCD sum rules are a theoretical physics method relating hadron properties, such as masses and decay constants, to the fundamental parameters of quantum chromodynamics (QCD).
Qcells
Qcells, also known as Hanwha Q CELLS (한화큐셀), is a solar cell and module maker founded in Germany in 1999, acquired by South Korea's Hanwha Group in 2012.
QClaw
QClaw, nicknamed "little crayfish AI," was a Tencent AI agent assistant for Windows and macOS that users controlled remotely through WeChat, shut down in December 2026.
QCraft
QCraft (轻舟智航) is a Chinese autonomous-driving company founded in Silicon Valley in 2019 by four former Waymo engineers, best known for supplying navigation-on-autopilot software to Li Auto.
QD Vision
QD Vision Inc was an American nanotechnology startup in Lexington, Massachusetts, founded in 2004, whose Color IQ component widened LCD TV color range by about 50 percent.
Qdoba
Qdoba (QDOBA Mexican Eats) is an American fast-casual Mexican restaurant chain founded in Denver in 1995 as Zuma Fresh Mexican Grill, later Z-TECA. Over 850 locations; owned by Butterfly Equity since 2022; known for free guacamole and queso.
Qdrant
Qdrant is an open-source vector database written in Rust that stores and searches high-dimensional embeddings, founded in Berlin in 2021 by André Zayarni and Andrey Vasnetsov.
Qedar (קֵדָר) (person)
Qedar (Kedar, קֵדָר) is the second son of Ishmael in Genesis 25:13 and 1 Chronicles 1:29, eponym of the North Arabian Kedarite tribe attested in Assyrian inscriptions and later Muslim genealogy of Muhammad.
Qeddase
Qeddase (ቅዳሴ), a Ge'ez word meaning sanctification, is the eucharistic liturgy of the Ethiopian and Eritrean Tewahedo Churches, an Alexandrian-rite service celebrated in Ge'ez with fourteen anaphoras.
QEMU
QEMU (Quick EMUlator) is a generic, open source machine emulator and virtualizer that models entire computers or runs single processes, pairing with hypervisors such as KVM for near-native speed.
Qen (workman of Deir el-Medina)
Qen was a sculptor in the workmen's community of Deir el-Medina under Ramesses II, known chiefly from his family tomb TT 4 and two funerary stelae.
Qena Governorate
Qena Governorate (محافظة قنا), Egypt: Upper Egypt governorate on the Nile south of Sohag, capital Qena City, 3.16 million people (2017), major sugar producer, home to Dendera Temple.
Qenamun (TT93)
TT93 is the rock-cut Theban tomb of Qenamun (Kenamun), chief steward of Amenhotep II, at Sheikh Abd el-Qurna near Luxor, with wall paintings including the young king nursed by Qenamun's mother.
Qene
Qene (Ge'ez: ቅኔ) is a traditional form of extemporaneous poetry composed in Ge'ez, the liturgical language of the Ethiopian Orthodox Church, built on a two-layer device called wax and gold.
Qeqertarsuaq (island, Greenland)
Qeqertarsuaq (Disko, Old Norse Bjarney) is a volcanic island in Disko Bay, West Greenland, 8,620 km², highest point 1,919 m, one sixth glacier-covered, with the town Qeqertarsuaq/Godhavn, hot springs, and Copenhagen University's Arctic Station.
Qerellos collection
The Qerellos (Qerəllos) is a Ge'ez-language collection of patristic writings, mostly by Cyril of Alexandria, translated from Greek in the Aksumite period and foundational to the Ethiopian Church.
Qeshm Island
Qeshm Island (Jazira-ye Qeshm), the largest island in the Persian Gulf near the Strait of Hormuz, Iran; about 122 km long, home to the Hara mangroves, Qeshm UNESCO Global Geopark, and a free zone; struck by desalination-plant attacks and oil pollution in the 2026 Gulf war.
Qeshm Island UNESCO Global Geopark
Qeshm Island UNESCO Global Geopark, Iran's first geopark and the Middle East's only one, designated 2017 on Qeshm Island in the Persian Gulf; features the 7-km Namakdan Salt Cave, longest salt cave in the world, Zagros salt diapirs, and community geotourism.
Qesseh-khani
Qesseh-khani (قصهخوانی, "story-recitation") is the traditional Iranian practice of oral storytelling, in which a performer recites tales, epics, and religious narratives before a live audience, flourishing in Safavid and Qajar coffeehouses and now nearly forgotten.
Qetesh Corona
Qetesh Corona is an 80 km diameter corona on Venus at 20.5°S, 343.5°E in the Carson quadrangle (V-43), IAU-named in 1994 for an Egyptian fertility goddess; the only major corona there without associated volcanic flows.