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This web site contains  free information on green building, especially natural building. Viewers can send questions to green building experts through this site. The site is maintained by Kelly and Rosana Hart, with their primary focus being sustainable architecture. Details on vernacular...

This document provides preventive measures that building owners and managers can implement promptly to protect building air environments from a terrorist release of chemical, biological, or radiological contaminants.

This page from the STEM Guitar Project provides a number of videos on the design and manufacturing of guitars. Videos cover topics like performing basic wood repairs on guitars, soldering and wiring techniques, gluing fretboards to guitar necks and assembling the pickups to the pickup rings. Video...

This teaching resource, provided by the National Nanotechnology Infrastructure Network (NNIN), touches on the issue of ethics in bio-nanotechnology for 6-12 teachers and adults. "Bio-nanotechnology is the application of nanotechnology to living things. This ranges from the creation of...

This website provides a variety of visual image tutorials on how industrial components and devices work. Gadget profiles include capacitors, computer keyboards, memory cards, diodes, RFID tags, resistors, servo motors and many other interesting devices.

Hybrid cars and other vehicles have been around for many years. This site treats the reader to information concerning a variety of different forms of alternative energy vehicles including the gasoline-electric hybrid car, diesel-electric hybrids and the differences between the series and parallel...

This website includes step-by-step instructions on how to build a wind turbine with parts users may purchase at harware stores. The website includes photographs and text which illustrate how to build the wind turbine.

This article written by Karim Nice explains what a Stirling engine is and how it works. "The Stirling engine is a heat engine that is vastly different from the internal-combustion engine in your car. A Stirling engine uses the Stirling cycle, which is unlike the cycles used in internal-combustion...

This article, presented by HowStuffWorks.com, shows how a submarine dives and surfaces in the water. It also shows how life support is maintained, how the submarine gets its power, how a submarine finds its way in the deep ocean and how submarines might be rescued. The article addresses many points...

This is the home page of IBM Research with hyperlinks to pages covering activities in numerous scientific disciplines, including electrical engineering, materials science, physics, communications technology, semiconductor technology, storage, and server and embedded systems.