An open course in intermediate microeconomics for those students needing a challenge. Includes list of suggested readings, lecture notes, assignments, exams, and study materials.

Read a short biography on Snyder written by Ann Charters from "The Portable Beat Reader."

This site makes available the second part of a textbook on computer system design. The chapters cover topics such as fault tolerance, networking, consistency and information security.

Students explore fluid flow continuity with this exam question. The question includes a detailed solution.

This site on sumo wrestling has a section that talks about the rules of the competition.

College-level online biology course focusing on the process of photosynthesis. Course highlights the physical, chemical, and biological reactions that happen during photosynthesis. Course features include lecture summaries, assignments,...

The literary drama "Helen," written by Euripides in 412 BC, is translated here by E. P. Coleridge.

This site from the Massachussets Institute of Technology has links to various topics in calculus.

This site, which is provided for by the Massachusetts Institute of Technology, gives a very brief article on the developer of the early elevator. Images are included as well.

This site from the Massachusetts Institute of Technology provides information on Garrett A. Morgan (1877-1963 CE), who is credited with inventing the gas mask, and, in turn, saving firefighters from suffocating while putting out fires...

At this site from the Massachusetts Institute of Technology, you can read about the inventor of "Heavy Water," Gilbert Newton Lewis, who is "one of the most influential and admired scientists of the twentieth century."

A brief biographical note about Frederick McKinley Jones that cites his work in the areas of refrigeration and sound recording.

Brief article about Clarence Birdeye's discovery of a way to preserve food by flash-freezing it.

This site from the Massachusetts Institute of Technology provides a brief but factual account of the role Whitcomb Judson played in the development of the zipper.

Use this site to learn about the inventor of the carbon-filament light bulb, Lewis H. Latimer (1848-1928 CE).

Provides a short biography of Samuel F.B. Morse, and his invention of the one-wire telegraph and the Morse Code. Also contains pictures.

Click on Massachusetts on the US map in order to Travel there and take a virtual tour of Boston. Visit places of interest such as Harvard University, MIT, John F. Kennedy Library and Museum, the Freedom Trail, Copley Square, Trinity...

Click on Massachusetts on the US map in order to Travel there and take a virtual tour of Boston. Visit places of interest such as Harvard University, MIT, John F. Kennedy Library and Museum, the Freedom Trail, Copley Square, Trinity...

Click on Massachusetts on the US map in order to Travel there and take a virtual tour of Boston. Visit places of interest such as Harvard University, MIT, John F. Kennedy Library and Museum, the Freedom Trail, Copley Square, Trinity...

Click on Massachusetts on the US map in order to Travel there and take a virtual tour of Boston. Visit places of interest such as Harvard University, MIT, John F. Kennedy Library and Museum, the Freedom Trail, Copley Square, Trinity...

Brief article reports on the creation of the most waterproof material in existence.

Discover the numbers behind poverty in America in the 1950s. Read about those who were in poverty, where they lived, and find out if things have improved over the decades. [pdf]

Students explore Bernoulli's equation. Some topics examined in the activities are fluids, blood flow, and Bernoulli's principle. The resource consists of video clips, lecture notes, and exam questions with detailed solutions.

Learners investigate electrostatics with conductors. Some topics explored in the activities are electric shielding, conductors, and charging by induction. The resource consists of video clips, lecture notes, online textbook chapters,...