61,984 articles
Rhode Island Energy
Rhode Island Energy is the utility that delivers electricity and natural gas to over 770,000 customers across Rhode Island, operating as a subsidiary of PPL Corporation.
Rhode Island State House
The Rhode Island State House is the state capitol in Providence, designed by McKim, Mead & White and built from 1895 to 1904 in white Georgia marble.
Rhokana Corporation
Rhokana Corporation was a copper mining and holding company, controlled by Anglo American, that operated the Nkana mine on Zambia's Copperbelt from the 1930s until its 1970 nationalization.
Rhondda
Rhondda (Y Rhondda), the Rhondda Valleys of South Wales: twin coal-mining valleys, Rhondda Fawr and Rhondda Fach, meeting at Porth. Known for Walter Coffin's pioneering coal industry, steam coal fame, terraced settlements, Rhondda Heritage Park, and coal-tip and flood hazards.
Rhourd Ennous-Hassi R'Mel Gas Pipeline
The Rhourd Ennous-Hassi R'Mel Gas Pipeline (خط أنابيب رورد النوس - حاسي الرمل) is a pair of 48-inch Sonatrach pipelines carrying gas from Rhourde Nouss to Hassi R'Mel.
Rhourde El Baguel oil field
Rhourde El Baguel is a large onshore oil field in eastern Algeria, about 90 km southeast of Hassi Messaoud, once the country's second largest oil field after Hassi Messaoud.
Rhourde El Krouf oil field
Rhourde El Krouf (RKF) is an onshore oil field in the Berkine Basin of eastern Algeria, discovered in 1992 and producing light oil since 1996.
Rhourde Nouss Gas Field
Rhourde Nouss Gas Field (رورد النص) is a gas-condensate field in southeastern Algeria's Illizi basin, Algeria's second largest gas development after Hassi R'Mel, operated by Sonatrach.
Rhum Oil and Gas Field
Rhum is a high-pressure, high-temperature gas field in the UK northern North Sea, discovered in 1977 and producing since 2005 through subsea wells tied to the Bruce platform.
Rhyolite Ridge
Rhyolite Ridge is a proposed open-pit lithium-boron mine in Esmeralda County, Nevada, developed by Australia-based Ioneer, producing lithium carbonate for EV batteries and boric acid.
Rhysida (hacker group)
Rhysida is a ransomware group first observed around May 2023 that operates a double-extortion model, stealing data before encrypting files and threatening publication unless payment is made.
Rhythmbox
Rhythmbox is a free music playing and management application for the GNOME desktop, built on GStreamer and first released in 2001; it has been Ubuntu's default music player since 12.04 LTS.
RIAA equalization
RIAA equalization, also called the RIAA curve, is the record-and-playback frequency-response standard for vinyl introduced by the Recording Industry Association of America in the early 1950s.
Riad (architecture)
A riad (from Arabic riyāḍ, "garden") is a traditional Moroccan courtyard house built around a planted interior garden, typical of the medinas of Marrakech and Fez.
Rialto Bridge
The Rialto Bridge (Ponte di Rialto) is the oldest stone bridge over Venice's Grand Canal, a single white arch designed by Antonio da Ponte and finished in 1591.
RIB Software
RIB Software is a German construction software company in Stuttgart, founded in 1961, known for its iTWO 5D BIM platform and acquired by Schneider Electric in 2020.
Ribblehead Viaduct
Ribblehead Viaduct, officially Batty Moss Viaduct, is a 24-arch railway viaduct in North Yorkshire, England, built 1870 to 1875 for the Settle to Carlisle Railway.
Ricardo B. Schwarz
Ricardo B. Schwarz, who publishes as Ricardo Blum Schwarz, is a materials physicist and LANL Fellow at Los Alamos National Laboratory known for bulk metallic glasses.
Ricardo Dobry
Ricardo Dobry, born 1937, is a Chilean-born geotechnical earthquake engineer and longtime Rensselaer Polytechnic Institute professor elected to the National Academy of Engineering in 2004.
Ricardo plc
Ricardo plc was a British engineering and environmental consultancy headquartered at Shoreham-by-Sea, West Sussex, founded by Sir Harry Ricardo in 1915 and acquired by WSP Global in 2025.
Rice husk
Rice husk (rice hull) is the outer shell of the rice grain, removed during milling and widely burned as biomass fuel or used for silica.
Rice husk ash
Rice husk ash (RHA) is the silica-rich residue left after burning rice husk, used since the late 1960s as a lower-carbon partial replacement for Portland cement in concrete.
Rice straw
Rice straw is the stalk and leaf residue left in fields after rice harvest, one of the world's largest agricultural residue streams, often burned or incorporated into soil.
Rice Terraces of the Philippine Cordilleras
The Rice Terraces of the Philippine Cordilleras are living, hand-built rice terraces in the Cordillera mountains of Luzon, Philippines, worked by the Ifugao people and inscribed by UNESCO in 1995.
Rich Communication Services
Rich Communication Services, or RCS, is a GSMA protocol standard that upgrades SMS text messaging with group chats, typing indicators, and read receipts, using no separate app.
Rich Energy
Rich Energy is a British energy drink brand founded by William Storey, known for its black-and-gold cans and its 2019 sponsorship of the Haas Formula 1 team.
Rich Text Format
The Rich Text Format (RTF) is a Microsoft document file format, developed from the late 1980s for cross-platform interchange and widely supported by other word processors.
Richard A. Cairncross
Richard A. Cairncross, also known as Richard Allan Cairncross, is an American chemical engineer at Drexel University who won a 1996 PECASE award for simulation research.
Richard A. Vaia
Richard A. Vaia is an American materials scientist at the Air Force Research Laboratory, a pioneer of polymer nanocomposites elected to the National Academy of Engineering in 2020.
Richard Battin
Richard Battin (1925–2014) was an American aerospace engineer at MIT and Draper Laboratory who led the design of the Apollo guidance and navigation systems, enabling the 1969 lunar landing.