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Wikipedia: Richard Wagner
Visit this site to learn much about the life of German composer, Richard Wagner. Besides biographical information topics of interest include classical music, operas, symphonys, and other musical works.
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Wikipedia: Sulfur
This site from the Wikipedia Encyclopedia provides information on atomic properties, physical properties and notable characteristics of sulfur can be found on this informative site. Links are provided for additional information.
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Wikipedia: Anton Van Leeuwenhoek
This site from the Wikipedia encyclopedia provides a concise explanation of van Leeuwenhoek's (1632-1723 CE) contribution to the improvement of the microscope and his contributions to cell biology.
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Wikipedia: Diamagnetism
Wikipedia.com offers a good introduction to diamagnetism and diamagnetic materials, including discussion of how superconductors exhibit diamagnetic properties.
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Wikipedia: The Meissner Effect
Wikipedia.com offers a wonderful introduction and explanation of the Meissner effect, explaining how this effect qualifies superconduction as a true thermodynamic state of a material.
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Wikipedia: Samarium
This Wikipedia site contains a good deal of information on element 62, Samarium. Includes a definition of the element, characteristics, applications, history, biological role, occurence, and much more. There is also a chart and links...
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Wikipedia: Seven Bridges of Konigsberg
This Wikipedia site introduces the seven bridges of Konigsberg problem, a classic graph theory problem solved by the mathematician Euler in the 18th century.
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Wikipedia: Graph Theory
Wikipedia provides an introduction and overview of graph theory. In addition to introducing the basic terms, there are related links to classic problems in graph theory such as the traveling salesman problem and Dijkstra's algorithm.
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Wikipedia: Khalil Gibran
Detailed encyclopedia article about the Lebanese writer. Although mainly a biography, it also includes a picture, bibliography of his works, and links to more information.
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Wikipedia: Gravitropism (Geotropism)
Gravitropism (or geotropism) is how a plant responds to gravity. Roots have a positive reaction to gravity and they grow toward it. Stems have a negative reaction and grow away from gravity. Learn more about what happens inside a plant...
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Wikipedia: Microphones
Encyclopedia article on microphones that provides information about kinds of microphones and microphoning techniques. There are also links to microphone manufacturers and additional information.
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Wikipedia: Alphonse Bertillon
On-line encyclopedia provides information pertaining to Alphonse Bertillon's life work and accomplishments, particularly in the area of forensic science.
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Wikipedia: Haitian Creole
A Wikipedia encyclopedia entry on the Haitian Creole language. Includes information about the African and European origins of the language and sample words and phrases. Additional links to a passable online dictionary, Radio France...
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Wikipedia: Urdu Language
A Wikipedia encyclopedia entry with detailed information on Urdu, the language of more than a 100 million people living in Pakistan, India and other parts of the world. Includes a clear explanation of the relationship between Hindi and...
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Wikipedia: Tagalog Language
A Wikipedia encyclopedia entry on Tagalog / Filipino, the official language of the Phillipines. Provides information on known history and influences and Tagalog's selection as the national language. Gives examples of words incorporated...
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Wikipedia: Tony Hawk
Wikipedia describes the life and career of Tony Hawk, "often regarded as the best-known skateboarder today." His video games, commercial endorsements, and television cameos are listed, with links to more information.
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Wikipedia: Speed Skating
This detailed article includes a history of speed skating, information on rules, different tracks and competitions, and links form more information. A good starting point for students researching this Winter Olympics sport.
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Wikipedia: Tariff
Wikipedia gives an excellent definition of the term, "Tariff," including different types of tariffs, tariff rules, and more.
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Wikipedia: Refracting Telescope
Wikipedia provides detailed information on refracting telescopes, including an image, technical difficulties, and a hyperlinked list to info on notable refracting telescopes.
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Wikipedia: Namib Desert
Wikipedia offers several useful paragraphs of information on the Namib Desert of Africa. Includes image.
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Wikipedia: Theorem
Wikipedia offers a detailed description of a theorem, or a statement that can be proven true. Includes many terms related to theorems, also.
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Wikipedia: John Tyndall
Detailed information on nineteenth-century scientist and natural philosopher John Tyndall.
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Wikipedia: Miguel De Unamuno
Wikipedia offers biographical information on Spanish writer, Miguel de Unamuno (1864-1936 CE). Includes a list of works.
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Wikipedia: Steve Jobs
A biography of Apple co-founder Steve Jobs gives details on his various business ventures, such as his founding of Apple Computers with Steve Wozniak, his time at Pixar and NeXT, and his return to Apple in 1997.