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All articles starting with O

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O3-type sodium layered oxide cathode

An O3-type sodium layered oxide cathode is a sodium-rich positive-electrode material for sodium-ion batteries with formula NaxMO2, where sodium sits in octahedral coordination and oxygen stacks in an ABCABC sequence.

O3b Networks

O3b Networks, founded by Greg Wyler in 2007, was a satellite broadband company named for the "other 3 billion" without internet access, now fully owned by SES.

O6-Methylguanine

O6-Methylguanine (O6-MeG) is a damaged DNA base formed when alkylating agents methylate guanine; it mispairs with thymine, causing G:C to A:T mutations, and is repaired by MGMT.

o9 Solutions

o9 Solutions is a private enterprise planning software company founded in 2009 in Dallas, Texas by Sanjiv Sidhu and Chakri Gottemukkala, valued at $3.7 billion in 2023.

OA GP Fund, L.P.

OA GP Fund, L.P. is a pooled investment fund sponsored by Ottawa Avenue Private Capital, the Grand Rapids firm managing the DeVos family's private equity investments.

OA-1 (Siddha coded drug)

OA-1 (OA-1 Chooranam/Churnam) is a coded oral Siddha polyherbal formulation from India's CCRS, tested with Vatha Kesari Thylam oil for Azhal Keel Vayu (knee osteoarthritis) in multicentric Phase 2 trials, dosed 2 g twice daily.

Oahe Dam

Oahe Dam is a large rolled-earth dam on the Missouri River north of Pierre, South Dakota, built by the U.S. Army Corps of Engineers and operating since 1962.

Oahu

Oahu (Oʻahu), Hawaii's third largest island and "The Gathering Place," formed by the Waianae and Koolau shield volcanoes; holds Honolulu, about 69% of the state's population, Pearl Harbor, and six traditional moku districts.

Oahu Facula

Oahu Facula is a 465-km-wide bright surface feature (facula) on Titan at 5.00°N, 166.70°W, IAU-approved in 2006 and named after the Hawaiian island of Oahu.

OAI-PMH

The Open Archives Initiative Protocol for Metadata Harvesting (OAI-PMH), released in 2001, lets repositories expose structured metadata over HTTP that harvesters collect through six requests.

Oak

Oak (Quercus, Fagaceae): about 425 species of acorn-bearing trees and shrubs of the temperate Northern Hemisphere, wind-pollinated, prone to hybridization yet genetically distinct, vital to wildlife and timber.

Oak (wine)

Oak (wine): use of oak barrels, chips, or staves to age or ferment wine, adding vanilla, spice, and smoky aromas via toasting and microoxygenation; barriques hold 225 L, contrasting with inert stainless steel.

Oak Alley Plantation

Oak Alley Plantation is a historic former sugar plantation in Vacherie, Louisiana, known for its Greek Revival mansion and its double row of 28 live oaks.

Oak apple

Oak apple: apple-like leaf gall on oaks (Quercus), induced by cynipid wasps, mostly Amphibolips spp.; about 2 inches across, one larva per gall, harmless to the tree, brown after wasp exit.

Oak Creek Power Plant

The Oak Creek Power Plant is a coal-fired power station in Oak Creek, Wisconsin, 20 miles south of Milwaukee, forming Wisconsin's largest coal-fired plant with the Elm Road Generating Station.

Oak Grove Plant

Oak Grove Plant, formally the Oak Grove Steam Electric Station, is a two-unit, lignite-fired power plant in Robertson County, Texas, owned and operated by Luminant, a subsidiary of Vistra Corp.

Oak Hc Ft Partners

Oak HC/FT Partners is a venture and growth equity firm in Greenwich, Connecticut, founded in 2014 by Annie Lamont, Andrew Adams, and Patricia Kemp to invest in healthcare and fintech.

Oak Hill Solar Facility

The Oak Hill Solar Facility is a pair of community solar farms with battery storage in Duanesburg, New York, developed by Eden Renewables and owned by PureSky Energy.

Oak Investment Partners

Oak Investment Partners is a multi-stage venture capital firm founded in 1978 in Westport, Connecticut, by Edward Glassmeyer and Stewart Greenfield, which has invested $9 billion in over 525 companies.

Oak Island

Oak Island (Nova Scotia) is a privately owned Mahone Bay island tied to the Money Pit treasure legend dating to 1795; no treasure has been proven, early accounts lack contemporary evidence, and the story is now popularized by The Curse of Oak Island.

Oak Island mystery

Oak Island mystery: treasure legend of Mahone Bay, Nova Scotia, centered on the Money Pit, allegedly found in 1795 by McGinnis, Smith, and Vaughn. Over 230 years of excavation, no treasure recovered; geologists attribute flooding to soluble anhydrite bedrock.

Oak leaf cluster

Oak leaf cluster: a bronze or silver twig of four oak leaves and three acorns worn on U.S. medal ribbons, chiefly Army, Air Force, and joint awards, to mark additional awards; a silver cluster equals five bronze.

Oak Mountain State Park

Oak Mountain State Park in Pelham, Alabama, near Birmingham, is the state's largest state park, established 1927, with 100+ miles of trails, Peavine Falls, golf, camping, and the Alabama Wildlife Center.

Oak Park Heights Prison

Minnesota Correctional Facility – Oak Park Heights (MCF-OPH) is Minnesota's only Level 5 maximum-security adult male prison, opened 1982 in Stillwater, capacity 473, with an Administrative Control Unit, Transitional Care Unit, and Mental Health Unit.

Oak Park, Illinois

Oak Park, Illinois: inner-ring Cook County village incorporated 1902, just west of Chicago; about 54,000 residents, Frank Lloyd Wright architecture, 1968 fair housing ordinance and managed integration, and the Shape Oak Park zoning reform effort.

Oak Ridge Associated Universities

Oak Ridge Associated Universities (ORAU) is a not-for-profit consortium of more than 170 universities based in Oak Ridge, Tennessee, founded in 1946 from Manhattan Project roots.

Oak Ridge Leadership Computing Facility

The Oak Ridge Leadership Computing Facility is a Department of Energy supercomputing facility at Oak Ridge National Laboratory, home to Frontier, the first exascale supercomputer.

Oak Ridge National Laboratory

Oak Ridge National Laboratory (ORNL) in Oak Ridge, Tennessee, is the U.S. Department of Energy's largest science and energy laboratory, founded in 1943 as part of the Manhattan Project.

Oak Ridge Solar Farm

Oak Ridge Solar Farm is a 200 MW utility-scale solar power plant in northeastern Louisiana, developed by AES Clean Energy and opened in December 2023 as Louisiana's largest.

Oak Ridge, Tennessee

Oak Ridge, Tennessee, the "Secret City," was built in 1942 as the Manhattan Project's uranium enrichment and headquarters site, incorporated in 1959, and is now a nuclear research hub with Orano, Oklo, X-energy, and TVA projects.