Sixth graders investigate how the web works and how to search effectively. In this Internet use lesson, 6th graders brainstorm positive and negative experiences they have had while on the Internet. Students view two web sites to learn...

In this internet research worksheet, students use the Fact Monster search engine to find the answers to ten unrelated questions.

This site contains the history of and a description of the Antikythera Mechanism in written and audio form.

The difference engine was never built, but its design was an important step in the history of computing devices. This lecture series presents a brief description of this early mechanical computing device.