Compact Linear Fresnel Reflector - PhD research on the compact linear fresnel reflector. Includes principles, steam tables and technical data. - http://pye.dyndns.org/
Concentrating Solar Power Program - The US Department of Energy's site provides information about electric power options using concentrated sunlight. - http://www.eere.energy.gov/solar/csp.html
Solarwall Article - Environmental Building News reports on solar walls, preheating incoming air that doesn't require glazing or any other high-maintenance parts. - http://www.buildinggreen.com/products/solarwall.html
Flasolar.com - Information about solar pool heating, solar water heating, and some photovoltaics for residential applications. - http://www.flasolar.com/
Temperature Logger - Contains a full description of how to build a temperature logger and solar heated water controller. - http://www.anotherurl.com/therm/Default.htm
Sterling Solar - Producing power from thermal sources, including geothermal, waste steam, solar, and biofuels. - http://www.sterlingsolar.com/
National Solar Thermal Test Facility - Operated by Sandia National Laboratories for the U.S. Department of Energy. It is a test facility devoted to the development of the use of solar energy. . - http://www.sandia.gov/Renewable_Energy/solarthermal/nsttf.html
Concentrating Solar Technologies - An international team of scientists and engineers collaborate to develop these technologies and share their vision and knowledge. - http://www.solarpaces.org/
Solar Water Heater - Build this one yourself as it is a bolt together design that can be built in the average home workshop with a limited amount of engineering skills and equipment - http://solarwaterheater.20m.com/