This site contains a Wikipedia description of copyright infringement as it relates to software.

This site contains a Wikipedia description of electronic spam.

A Wikipedia description of software (or source code) documentation.

A Wikipedia description of what constitutes good programming style.

A Wikipedia description of design patterns used in software engineering.

This site contains a Wikipedia description of computer viruses.

A Wikipedia description of the Object Oriented approach to the design of software systems.

A Wikipedia description of the software project development approach known as pair programming.

A Wikipedia description of the Integrated Development Environment (IDE).

This site from Wikipedia the encyclopedia is a concise site that is technical in nature but links are provided for clarification. Includes a comparison between meiosis and mitosis.

This Wikipedia encyclopedia article shows how gravel is mined and used in building and paving.

Wikipedia provides this encyclopedia entry for cement that features its history, production, and use as a building material, as well as links to related topics.

Wikipedia provides an encyclopedia entry about concrete that features pictures, diagrams, history and other information, as well as links to related topics.

This Wikipedia site is an introduction to paramagnetism and paramagnetic materials.

This site from Wikipedia provides a wonderful in-depth explanation of ferromagnetism, covering the atomic behavior which is responsible for ferromagnetic properties. Also introduces the concepts of magnetic domains and the Curie...

This Wikipedia site has a definition of the Curie point.

This site from the encyclopedia Wikipedia provides a concise definition of magnetic permeability given in terms of magnetic flux density and magnetic field strength.

A description of the Voskhod spacecraft along with a listing of the Voskhod flights that occurred and ones that were cancelled.