The site, hosted by HowStuffWorks.com, describes the concepts of how air conditioners work through explanations and diagrams.

This site provides a very fine selection of short movies on their website. These short films are designed for the general public, and they deal with such topics as air quality control, how ozone is formed, and a special...

The Airline History Museum (AHM) in Kansas City, Missouri has a blog with such a tremendous selection of video, photographs, and updates about what's going on at the museum that visitors will feel like they have already...

This web site, authored and curated by David P. Stern, contains an elementary discussion of the physics of airplane flight. Concepts of frames of reference and vectors are used to explore lift, drag, and thrust for wings...

This is the homepage of Alaska's geological and geophysical survey, the agency responsible for collecting and distributing information about the state's geologic resources and hazards. Materials include numerous...