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Wikipedia: Marginal Utility
This website discusses the concepts of marginal utility and value, with references made to such economic philosophers as Adam Smith, Karl Marx, and David Ricardo.
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Wikipedia: Labor Theory of Value
This article discusses the labor theory of value as described by Karl Marx, Adam Smith, and David Ricardo.
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Wikipedia: Carbon Nanotubes
This site is an explanation of what nanotubes are and how they can be used. It has an excellent discussion of both the history and future of these carbon structures. A Chinese translation is available.
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Wikipedia: Al Gore
A biography of Al Gore, the 45th Vice President of the U.S. and the Democratic candidate for President in 2000. The article covers his early life, academic record, military career, early political career, vice presidency under Bill...
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Wikipedia: List of Spanish Language Authors
An encyclopedia with a fantastic list of Spanish language authors, organized by country. List is weighted toward authors from Spain but includes at least 1-2 authors for Latin American countries. For some authors, biographical references...
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Wikipedia: Raster Graphics (Bitmap)
Encyclopedia entry that defines what a Raster graphic (Bitmap) is and explains how it works. Includes a nice illustration and an example of how a bitmap picture is constructed. Links to related information are available.
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Wikipedia: Gif (Graphics Interchange Format)
Encyclopedia entry that defines a GIF (Graphics Interchange Format) graphics file and explains how and why it was created. Sections of the article include history, Unisys and LZW patent enforcement, usage, color, alternatives,...
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Wikipedia: Jpeg
Encyclopedia entry that defines a JPEG (Joint Photographic Experts Group) graphics file and explains how and why it was created. Links to related information are available as well.
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Wikipedia: Png
Encyclopedia entry that defines a PNG graphic file and explains how and why it was created. Sections of the article include history and development, technical details, support and usage, alternatives, see also (related information), and...
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Wikipedia: Condoleezza Rice
A good biography of the first African-American woman to serve as Secretary of State.
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Wikipedia: Haiti
Extensive article on the Caribbean nation of Haiti. Surveys its history, politics, geography, economy, and culture.
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Wikipedia: Belize
Discover much information about the Central American country of Belize. Topics include history, politics, geography, economics, demographics, and culture with links to further information. Very complete and detailed.
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Wikipedia: History of Guatemala
Provides an extensive guide to the history of Guatemala dating from Pre-Columbian times to the 21st century.
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Wikipedia: History of Honduras
Explore the tremendous amount of information on the history of the Central American country of Honduras ranging from Pre-Columbian times to the present.
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Wikipedia: President of the United States
This is a comprehensive article on the presidency of the United States. Learn about the history of this office, its responsibilities and its powers.
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Wikipedia: Japanese Embassy Hostage Crisis
Looks at the hostage crisis in Peru in 1996 when hundreds of diplomats and other officials were taken captive. The situation was not resolved for 126 days. From the demands of the revolutionaries to the aftermath of the military raid,...
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Wikipedia: Aimee Semple Mc Pherson
Extensive article that explores in great detail the life of Aimee Semple McPherson, fundamentalist evangelist.
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Wikipedia: Anaerobic Respiration
Definition and related links for the chemical process anaerobic respiration.
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Wikipedia: George Washington
A detailed look at the life and work of George Washington. Content includes a look at Washington's early life, his role in several wars including the American Revolution, his rise as the first president of the United States, and his...
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Wikipedia: Common Law
This article provides a detailed history of common law, as well as information on its principles, the differences between common law and civil law, and modern-day common law.
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Wikipedia: Morse Code
Here is a comprehensive entry for Morse Code that includes the history, the difference between American Morse Code and Modern International Morse Code, a chart of the letters and numbers, many sample audio recordings, and more.
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Wikipedia: American Revolutionary War
This article on the American Revolutionary War looks at its causes, the phases of the war, naval warfare, the involvement of other countries, the Treaty of Paris, the different groups of combatants, and the impact of the war.
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Wikipedia: Nato
This encyclopedia entry provides a good overview of the North Atlantic Treaty Organization. Content includes a look at member states, military operations, a list of the Secretaries General and Deputy Secretaries General, and a history of...
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Wikipedia: Saddam Hussein
A comprehensive biography of Saddam Hussein that includes his early years, his rise to power, the Iraq wars, and his pursuit and capture. Article includes links to related information.