This article features a list of islands sorted by their name beginning with the letter R.
Aaliyah Dana Haughton was an American singer and actress. She has been credited with helping to redefine contemporary R&B, pop, and hip hop, earning her the nicknames the "Princess of R&B" and "Queen of Urban Pop".
John Ronald Reuel Tolkien was an English writer and philologist. He was the author of the high fantasy works The Hobbit and The Lord of the Rings.
In the history of Europe, the Middle Ages or medieval period lasted approximately from 500 AD to 1500, although some prefer other start and end dates. The Middle Ages is the second of the three traditional divisions of Western history: antiquity, medieval, and modern. Major developments include the predominance of agriculture in the economy, the exploitation of the peasantry, slow interregional communication, the importance of interpersonal relations in power structures, and the fragility of state bureaucracy. The medieval period is itself sometimes subdivided into the Early, High, and Late Middle Ages, and the early medieval period is alternatively referred to as the Dark Ages.
In chemistry, pH, also referred to as acidity or basicity, historically denotes "potential of hydrogen". It is a logarithmic scale used to specify the acidity or basicity of aqueous solutions. Acidic solutions are measured to have lower pH values than basic or alkaline solutions.
Rhythm and blues, frequently abbreviated as R&B or R'n'B, is a genre of popular music that originated within African-American communities in the 1940s. The term was originally used by record companies to describe recordings marketed predominantly to African Americans, at a time when "rocking, jazz based music ... [with a] heavy, insistent beat" was becoming more popular. In the commercial rhythm and blues music typical of the 1950s through the 1970s, the bands usually consisted of a piano, one or two guitars, bass, drums, one or more saxophones, and sometimes background vocalists. R&B lyrical themes often encapsulate the African-American history and experience of pain and the quest for freedom and joy, as well as triumphs and failures in terms of societal racism, oppression, relationships, economics, and aspirations.
The Lord of the Rings is an epic high fantasy novel by the English author and scholar J. R. R. Tolkien. Set in Middle-earth, the story began as a sequel to Tolkien's 1937 children's book The Hobbit, but eventually developed into a much larger work. Written in stages between 1937 and 1949, The Lord of the Rings is one of the best-selling books ever written, with over 150 million copies sold.
In physics and mechanics, torque is the rotational analogue of linear force. It is also referred to as the moment of force. It describes the rate of change of angular momentum that would be imparted to an isolated body.
Robert Sylvester Kelly, known professionally as R. Kelly, is an American singer, songwriter, and producer. He has been credited with prolific success in both R&B and hip hop, earning nicknames such as "the King of R&B", "the King of Pop-Soul", and the "Pied Piper of R&B". Kelly was convicted of federal racketeering and sex trafficking charges in 2022, stemming from decades of criminal allegations involving minors. He is currently serving a 31-year prison sentence.
The Elo rating system is a method for calculating the relative skill levels of players in zero-sum games such as chess. It is named after its creator Arpad Elo, a Hungarian-American physics professor.
The Nissan Skyline GT-R is a Japanese sports car based on the Nissan Skyline range. The first cars named "Skyline GT-R" were produced between 1969 and 1972 under the model code KPGC10, and were successful in Japanese touring car racing events. This model was followed by a brief production run of second-generation cars, under model code KPGC110, in 1973.
This gallery of sovereign state flags shows the national or state flags of sovereign states that appear on the list of sovereign states. For flags of other entities, please see gallery of flags of dependent territories. Each flag is depicted as if the flagpole is positioned on the left of the flag, except for those of Iran, Iraq and Saudi Arabia which are depicted with the hoist to the right.
R is a programming language for statistical computing and data visualization. It has been adopted in the fields of data mining, bioinformatics, and data analysis.
Contemporary R&B is a popular music genre that combines rhythm and blues with elements of pop, soul, funk, hip hop, and electronic music.
Christopher Maurice Brown is an American singer, songwriter, dancer, and actor. He is regarded as one of the most prominent artists in R&B music, being credited as an evolver of the genre, and often being referred to by contemporaries as the "King of R&B". His R&B has been characterized by several influences from other genres, mainly pop music and hip hop. His lyrics develop predominantly over emotional and hedonistic themes. Brown has had wide comparisons to Michael Jackson for his singing and dancing abilities.
Reddit is an American social news aggregation, content rating, and forum social network. Registered users submit content to the site such as links, text posts, images, and videos, which are then voted up or down by other members. Posts are organized by subject into user-created boards called "communities" or "subreddits". Submissions with more upvotes appear towards the top of their subreddit and, if they receive enough upvotes, ultimately on the site's front page. Reddit administrators moderate the communities. Moderation is also conducted by community-specific moderators, who are not Reddit employees. It is operated by Reddit Inc., based in San Francisco.
Gerald Rudolph Ford Jr. was an American politician who served as the 38th president of the United States from 1974 to 1977. He previously served as the leader of the Republican Party in the U.S. House of Representatives from 1965 to 1973, and as the 40th vice president under President Richard Nixon from 1973 to 1974. Ford succeeded to the presidency when Nixon resigned in 1974, but was defeated for election to a full term in 1976. Ford is the only person to become U.S. president without winning an election for president or vice president.
The Nissan GT-R is a car built by Japanese marque Nissan since 2007. It has a 2+2 seating layout and is considered both a sports car and a grand tourer. The engine is front-mid mounted and drives all four wheels. It succeeds the Nissan Skyline GT-R, a faster variant of the Nissan Skyline. Although this model was the sixth-generation to bear the GT-R name, it is no longer part of the Skyline line-up. The car is built on the PM platform, derived from the FM platform used in the Skyline and Nissan Z models. Production is conducted in a shared production line at Nissan's Tochigi plant in Japan.
In mathematics, the Pythagorean theorem or Pythagoras' theorem is a fundamental relation in Euclidean geometry between the three sides of a right triangle. It states that the area of the square whose side is the hypotenuse is equal to the sum of the areas of the squares on the other two sides.