edgepedia

All articles starting with R

22,461 articles

Red Tails

Red Tails (2012) is a Lucasfilm war drama directed by Anthony Hemingway, executive produced by George Lucas, dramatizing the Tuskegee Airmen's WWII bomber-escort missions; Cuba Gooding Jr. and Terrence Howard star; mixed reviews, $49.9M US gross.

Red tape

Red tape: idiom and public-administration concept for rules that impose compliance burden without serving legitimate purposes; sixteenth-century English origins, Kaufman and Bozeman theories, measured business and organizational costs, and reduction efforts.

Red team

Red team, or red teaming, is a group authorized to simulate an adversary's attack against an enterprise. These stealthy, objective-driven exercises aim to improve defensive security.

Red telephone box

The red telephone box, also called the red phone box or booth, is a cast-iron public telephone kiosk in the United Kingdom, first introduced in 1924.

Red Terror (Spain)

Red Terror (Terror Rojo): Republican-zone killings in the Spanish Civil War after July 1936, about 50,000 extrajudicial executions including at least 8,000 in Madrid and the Paracuellos massacres, distinct from the larger Nationalist White Terror.

Red Terror (Красный террор)

Red Terror (Красный террор): Bolshevik campaign of mass political violence during the Russian Civil War, formalized by the September 5, 1918 decree, executed by the Cheka under Dzerzhinsky against class enemies, with an estimated 50,000 to 100,000 killed.

Red thread of fate

Red thread of fate (姻缘红线, akai ito): East Asian belief of Chinese origin that an invisible red cord ties destined lovers together, tied at the ankles by the marriage god Yue Lao in the Tang tale Dinghun Dian, and at the pinky fingers in the Japanese version.

Red Top (missile)

Red Top was a British infrared-homing air-to-air missile developed by de Havilland, in service from 1964 to 1988 as an uprated successor to the Firestreak.

Red Tornado

Red Tornado is a DC Comics android superhero housing a wind elemental, debuting in Justice League of America #64 (1968), a Justice League member distinct from the 1940 Ma Hunkel Golden Age namesake.

Red Tory

Red Tory: a Canadian conservative who accepts state intervention in social welfare and national development; term popularized by Gad Horowitz in the mid-1960s, exemplified by George Grant, contrasted with Blue Toryism.

Red Tree Venture Capital

Red Tree Venture Capital is a life science venture capital firm in Redwood City, California, founded in 2020 by Heath Lukatch and Jennifer Cochran to back early-stage West Coast therapeutics companies.

Red triangle (badge)

Red triangle (badge): inverted red fabric badge identifying political prisoners (Schutzhäftlinge) in Nazi concentration camps; standardized 1937-38; combined with a yellow triangle for Jewish political prisoners.

Red triangle (Palestinian symbol)

Inverted red triangle, a Hamas al-Qassam Brigades video target marker from the Gaza war, also tied to the Palestinian flag and Nazi political-prisoner badge; now a contested pro-Palestinian emblem regulated by Meta and debated in Germany.

Red triangle slug

Red triangle slug (Triboniophorus graeffei), Australia's largest native land slug, family Athoracophoridae, eastern Australia; red triangular mantle with breathing pore, grazes algae on eucalypts; distinct Kaputar pink slug relative.

Red Turban Army

The Red Turban Army (红巾军), also called the Incense Army, was a rebel movement against the Yuan dynasty, marked by red turbans and recruiting through burning incense.

Red Turban invasions of Goryeo

The Red Turban invasions of Goryeo (홍건적의 침입) were two incursions by Chinese Red Turban rebels across the Yalu River into Goryeo, in 1359 and 1361.

Red Turban Rebellion

The Red Turban Rebellion (红巾军起义) was a series of Chinese uprisings begun in 1351 by White Lotus leaders that ended Mongol Yuan rule in 1368.

Red Turban Rebellion (Southern)

The Red Turban Rebellion (Southern) (南方红巾军) was a Chinese rebel movement led by the cloth trader Xu Shouhui, whose followers wore red turbans and proclaimed the Tianwan regime.

Red Velvet (레드벨벳) (group)

Red Velvet (레드벨벳) is a five-member SM Entertainment girl group, debuted August 1, 2014 with 'Happiness'; members Irene, Seulgi, Wendy, Joy, Yeri; known for the dual 'Red'/'Velvet' concept and Billboard World Albums No. 1s.

Red velvet cake

Red velvet cake is an American layer cake with a mild cocoa flavor, slight tang from buttermilk and vinegar, and a red color from food coloring.

Red Velvet discography

The Red Velvet discography covers the Korean, Japanese, and subunit recordings of the South Korean girl group formed by SM Entertainment, who debuted in 2014 with "Happiness".

Red vs. Blue

Red vs. Blue (RvB) is Rooster Teeth's Halo machinima comedy web series, premiered April 1, 2003, about Red and Blue teams in a pointless civil war; it ran 364 episodes, ending with Restoration in 2024.

Red wattlebird

Red wattlebird (Anthochaera carunculata), a large 33–37 cm Australian honeyeater of southern and eastern mainland Australia, second largest after the yellow wattlebird, named for red neck wattles, feeding on nectar, insects and fruit; IUCN Least Concern.

Red West

Red West (Robert Gene West, 1936–2017) was an American actor, stuntman, and songwriter, Elvis Presley's high school friend, Memphis Mafia bodyguard, co-author of Elvis: What Happened?, and Road House and Goodbye Solo actor.

Red Whittaker

Red Whittaker is an American roboticist at Carnegie Mellon University known as the father of field robotics and winner of the 2007 DARPA Urban Challenge.

Red wine

Red wine: wine fermented on dark grape skins, colored by anthocyanins (about 500 mg/L in young wines) and structured by tannins; earliest evidence from Georgia ca. 6000 BC; WHO states no safe alcohol level.

Red Wizards of Thay

Red Wizards of Thay: ruling magocratic order of Thay in D&D's Forgotten Realms, led by the Council of Zulkirs (eight schools of magic), independent from Mulhorand in 922 DR, now split between lich Szass Tam's undead Thay and exiled merchant enclaves.

Red wolf

Red wolf (Canis rufus), the world's most endangered wolf and the only wolf species unique to the United States. Once ranged Texas to New York; declared extinct in the wild in 1980, reintroduced in eastern North Carolina, with about 22 wild adults plus pups and roughly 295 in captivity as of 2026.

Red yeast rice (红曲米)

Red yeast rice (红曲米, Hongqu) is rice fermented with Monascus purpureus, containing monacolin K, identical to lovastatin. Meta-analyses show LDL-C lowering comparable to statins, but products vary widely and face FDA and EU restrictions.

Red-backed salamander

Red-backed salamander (Plethodon cinereus, eastern red-backed salamander): a small lungless plethodontid salamander of eastern North American forests, with redback and leadback color phases, direct terrestrial development, and a range of about 1.89 million km2.