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A company, abbreviated as co., is a legal entity representing an association of legal people, whether natural, juridical or a mixture of both, with a specific objective. Company members share a common purpose and unite to achieve specific, declared goals.

Over time, companies have evolved to have following features: "separate legal personality, limited liability, transferable shares, investor ownership, and a managerial hierarchy". The company, as an entity, was created by the state which granted the privilege of incorporation.

Companies take various forms, such as:

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Steorn Ltd (/ˈstjɔːrn/) was a small, private technology development company based in Dublin, Ireland. In August 2006, it announced that it had developed a technology to provide "free, clean, and constant energy" via an apparent perpetual motion machine, something which is contrary to the law of conservation of energy, a fundamental principle of physics.

Steorn challenged the scientific community to investigate its claim and, in December 2006, said that it had chosen a jury of scientists to do so. In June 2009 the jury gave its unanimous verdict that Steorn had not demonstrated the production of energy. (Full article...)
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A startup or start-up is a company or project undertaken by an entrepreneur to seek, develop, and validate a scalable business model. While entrepreneurship includes all new businesses, including self-employment and businesses that do not intend to go public, startups are new businesses that intend to grow large beyond the solo founder. At the beginning, startups face high uncertainty and have high rates of failure, but a minority of them do go on to become successful and influential. (Full article...)

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RKO Radio Pictures Inc., commonly known as RKO Pictures or simply RKO, was an American film production and distribution company, one of the "Big Five" film studios of Hollywood's Golden Age. The business was formed after the Keith-Albee-Orpheum theater chain and Joseph P. Kennedy's Film Booking Offices of America studio were brought together under the control of the Radio Corporation of America (RCA) in October 1928. RCA executive David Sarnoff engineered the merger to create a market for the company's sound-on-film technology, RCA Photophone, and in early 1929 production began under the RKO name (an abbreviation of Radio-Keith-Orpheum). Two years later, another Kennedy concern, the Pathé studio, was folded into the operation. By the mid-1940s, RKO was controlled by investor Floyd Odlum.

RKO has long been renowned for its cycle of musicals starring Fred Astaire and Ginger Rogers in the mid- to late 1930s. Actors Katharine Hepburn and, later, Robert Mitchum had their first major successes at the studio. Cary Grant was a mainstay for years, with credits including touchstones of the screwball comedy genre with which RKO was identified. The work of producer Val Lewton's low-budget horror unit and RKO's many ventures into the field now known as film noir have been acclaimed, largely after the fact, by film critics and historians. The studio produced two of the most famous films in motion picture history: King Kong and producer/director/star Orson Welles's Citizen Kane. RKO was also responsible for notable coproductions such as It's a Wonderful Life and Notorious, and it distributed many celebrated films by animation pioneer Walt Disney and leading independent producer Samuel Goldwyn. Though it often could not compete financially for top star and director contracts, RKO's below-the-line personnel were among the finest, including composer Max Steiner, cinematographer Nicholas Musuraca, and designer Van Nest Polglase. (Full article...)

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Rio Tinto headquarters in Melbourne, Australia

Rio Tinto Group is a British-Australian multinational company that is the world's second largest metals and mining corporation (behind BHP). It was founded in 1873 when a group of investors purchased a mine complex on the Rio Tinto, in Huelva, Spain, from the Spanish government. It has grown through a long series of mergers and acquisitions. Although primarily focused on extraction of minerals, it also has significant operations in refining, particularly the refining of bauxite and iron ore. It has joint head offices in London, England and Melbourne, Australia.

Rio Tinto is a dual-listed company traded on both the London Stock Exchange, where it is a component of the FTSE 100 Index, and the Australian Securities Exchange, where it is a component of the S&P/ASX 200 index. American depositary shares of Rio Tinto's British branch are also traded on the New York Stock Exchange, giving it listings on three major stock exchanges. In the 2020 Forbes Global 2000, it was ranked the world's 114th-largest public company.

In May 2020, to expand the Brockman 4 mine, Rio Tinto demolished a sacred cave in Juukan Gorge, Western Australia, which had evidence of 46,000 years of continual human occupation, and was considered the only inland site in Australia to show signs of continual human occupation through the last Ice Age. The company later apologised for the demolition and CEO Jean-Sébastien Jacques subsequently stepped down. (Full article...)
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