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Wikipedia: Martin Luther
This site from the encyclopedia Wikipedia provides a biography on Martin Luther contains information on his 95 Theses, his being questioned as a heretic and his excommunication, and Luther's antisemitism. Also contains some quotes by...
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Wikipedia: Comet
A nice encyclopedia article from Wikipedia on comets describes what they are, their physical characteristics, gives a history of comet study, and provides a list of well-known comets.
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Wikipedia: Microsoft Excel
Add your knowledge about Microsoft Excel to the Encyclopedia Wikipedia. There are many links, especially about the history of various versions of Excel and the technical operations aspects.
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Wikipedia: Aerobic Respiration
Wikipedia provides an indepth yet brief description of the oxygen dependent respiration with links to Kreb's cycle and Oxidative phosphorylation.
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Wikipedia: Computer Mouse
Wikipedia offers an excellent encyclopedia definition of the computer mouse. Content includes images, history of the mouse, mice in the marketplace, applications of mice in user interfaces, and more.
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Wikipedia: John Wooden
Wikipedia hosts a comprehensive biography on John Wooden which includes: early life and playing career, family and faith, coaching career, coaching record, his honors received and his legacy. References and external links are also...
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Wikipedia: Jimmy Wales
Wikipedia, the "international collaborative free content encyclopedia on the Internet," provides this article on its founder. Biographical information, Wikipedia history, works, references, and related articles are included.
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Wikipedia: Logo (Programming Language)
A Wikipedia description of the Logo programming language.
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Wikipedia: Museums
Wikipedia article about museums categorizes different types of museums and explains how they are managed, funded, and designed.
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Wikipedia: Twitter
What is all the fuss about Twitter? Wikipedia provides a detailed overview of the trendy social network.
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Wikipedia: Cellular Respiration
Wikipedia offers a nice overall summary of what cellular respiration is. Discusses the two main steps (glycolysis and pyruvate breakdown), and the two processes involved in the breakdown of pyruvate (aerobic and anaerobic respiration)....
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Wikipedia: Jet Engine
This site from Wikipedia offers a good definition of "jet engine", then discusses the history of along with various types of jet engines. Links are provided throughout this article for additional information.
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Wikipedia: Timpani
A nice, factual encyclopedia entry from Wikipedia on the timpani. Discusses its origins, how it is played, how it is tuned, and its significance in an orchestra. Links are provided throughout the article for additional information.
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Wikipedia: Carl Sagan
This encyclopedia article from Wikipedia provides a brief biography of Carl Sagan, the American astronomer who pioneered exobiology and promoted the Search for Extraterrestrial Intelligence (SETI), and science in general.
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Wikipedia: Malcolm X
A nice, concise biography on the life of Malcolm X from Wikipedia that provides information on his involvement with the Nation of Islam, his leaving the organization, his pilgrimage to Mecca, and his assassination.
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Wikipedia: Buddhism
Wikipedia article about Buddhism addresses the essential questions about the religion and its traditions.
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Wikipedia: Electronegativity
This encyclopedia article from Wikipedia gives a definition for what electronegativity is, information on the two scales of electronegativity that are in common use (Pauling and Mulliken Scales), and a discussion on electronegativity...
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Wikipedia: Altair 8800
This extensive encyclopedia article on the Altair 8800 from Wikipedia discusses how Ed Roberts came up with the idea to create a microcomputer design. Also discusses how, first, it was supposed to be a kit for hobbyists and turned into...
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Wikipedia: Carbon
This article from Wikipedia contains great information on the element carbon. Links are provided throughout the article to provided additional information. The topics include: Notable Characteristics, Applications, History, Allotropes,...
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Wikipedia: Ion
This site is an encyclopedia article from the Wikipedia Encyclopedia on Ion. Throughout the site, links are provided for additional information. The information is somewhat in-depth, but also very factual and interesting.
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Wikipedia: Wheel
An encyclopedia article from Wikipedia on the wheel discusses how wheels operate and travel on surfaces, and gives information on the invention and use of the wheel in ancient times. Links are also provided for additional information.
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Wikipedia: Opal
This encyclopedia article from Wikipedia provides a general overview of the mineral opal.
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Wikipedia: Trigonometric Function
This page from Wikipedia, a free and open-source encyclopedia, covers how to solve a variety of trigonometric equations, most of which involve substitution with a trigonometric identity. The identities themselves are not covered, but...
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Wikipedia: Continental Drift
A brief Wikipedia encyclopedia article on continental drift. It tells what continental drift is, what causes it, and gives examples of evidence that continental drift has occurred.