All articles starting with Q

Qu Qiubai

Qu Qiubai (瞿秋白) was a Chinese communist leader and Marxist theorist who headed the party's provisional Politburo after the 1927 August 7 Conference and was executed by Nationalists in 1935.

Qu Tenglong

Qu Tenglong (瞿腾龙) was a Qing dynasty military officer from Hunan who rose from the ranks and died in 1854 fighting the Taiping forces at Guazhou.

Sep 19, 2026

Qu Xiaohua

Qu Xiaohua (瞿晓铧), known in English as Dr. Shawn Qu, is a Canadian business executive who founded the solar manufacturer Canadian Solar in Ontario in 2001.

Qu Yuan

Qu Yuan (屈原) was a poet and minister of the state of Chu during the Warring States period, known for the Li sao and for drowning himself in the Miluo river.

Oct 21, 2026

Qu Yunxia

Qu Yunxia (曲云霞), Chinese runner born 1972; 1993 World 3000m champion, 1992 Olympic 1500m bronze medallist, and women's 1500m world record holder (3:50.46, Beijing, 11 Sep 1993) for 22 years.

Qu Zhongrong

Qu Zhongrong (瞿中溶, 1769 to 1842) was a Qing dynasty scholar and epigrapher from Jiading, Shanghai, known for his studies of ancient bronzes, coins, and seals.

Oct 22, 2026

Qua Đèo Ngang

"Qua Đèo Ngang" is a Nôm poem by Bà Huyện Thanh Quan describing Đèo Ngang pass at dusk and her loneliness and homesickness while traveling to Huế.

Qua Iboe

Qua Iboe is a Nigerian crude oil export terminal in Akwa Ibom State, opened in the 1970s by Mobil, and the light sweet crude grade it ships.

Quabbin Reservoir

Quabbin Reservoir is a man-made drinking water reservoir in central Massachusetts, formed by damming the Swift River Valley between 1939 and 1946 to supply metropolitan Boston.

Quackery: deceptive promotion of unproven health products, services, or regimens for financial gain; also called health fraud. Covers patent-medicine history, placebo psychology, FDA/FTC regulation, harms, and social-media spread.

Quackity

Quackity is a Mexican streamer and YouTuber (Twitch @quackity, @QuackityToo) known for Minecraft content and the QSMP, a multilingual Minecraft server launched March 2023 with real-time translation, followed by a 2024 volunteer-labor controversy.

Quackwatch

Quackwatch: network of websites on health quackery founded by retired psychiatrist Stephen Barrett, now maintained by the Center for Inquiry; covers chiropractic, homeopathy, naturopathy, and cancer-treatment claims.

Quad Cities

The Quad Cities is a bi-state Iowa-Illinois metro region of five Mississippi River cities: Davenport, Bettendorf, Rock Island, Moline, and East Moline, formerly the Tri-Cities, with a four-county metro population of about 381,000.

Quad Cities nuclear power plant

The Quad Cities Generating Station is a two-unit nuclear power plant in Cordova, Illinois, on the Mississippi River, operating since 1972 and run by Constellation Energy Generation.

Quad flat no-leads

Quad flat no-leads (QFN) is a leadless, near-chip-scale integrated-circuit package whose terminals sit flush on the bottom, with an exposed die-attach pad at the center.

Quad flat package

The quad flat package (QFP) is a surface-mount integrated circuit package with gull-wing metal leads extending from all four sides of a flat, rectangular body, widely used for microcontrollers and gate drivers.

Quad-C Partners

Quad-C Partners is a middle-market private equity firm headquartered in Charlottesville, Virginia, founded in 1989 by Terrence D. Daniels, investing in services and industrials and currently investing its tenth fund.

Quad-level cell

Quad-level cell (QLC) is a NAND flash memory type that stores four bits per cell across 16 voltage levels, giving higher density and lower cost per gigabyte than TLC.

QUADAS-2

QUADAS-2 (Quality Assessment of Diagnostic Accuracy Studies 2) is a tool published in 2011 to assess risk of bias and applicability of diagnostic accuracy studies in systematic reviews.

Quadball

Quadball, formerly quidditch, is a mixed-gender full-contact team sport adapted from Harry Potter's Quidditch in 2005 at Middlebury College; seven-a-side with hoops, dodgeballs, and a flag, governed by the IQA and renamed in 2022.

Quadcam engine

A quadcam engine is an internal combustion engine fitted with four camshafts: a double overhead camshaft head on each bank of a V or horizontally opposed engine.

Quadcopter

A quadcopter, also called a quadrotor, is an aircraft lifted and controlled entirely by four propellers, needing no tail rotor or swashplate, and used widely in aerial robotics research.

Quade Cooper

Quade Cooper, fully Quade Santini Cooper, is an Australian rugby union fly-half, born in Auckland in 1988, who won 80 Wallabies caps and played at the 2011 and 2015 Rugby World Cups.

Quaden Bayles

Quaden Bayles, Aboriginal Australian actor with achondroplasia dwarfism, went viral in 2020 after a bullying video posted by mother Yarraka Bayles; led out the Indigenous All Stars, then acted in George Miller's Three Thousand Years of Longing and Furiosa.