Concentrating Solar Power Program
The US Department of Energy's site provides information about electric power options using concentrated sunlight.
Concentrating Solar Technologies
An international team of scientists and engineers collaborate to develop these technologies and share their vision and knowledge.
Flasolar.com
Information about solar pool heating, solar water heating, and some photovoltaics for residential applications.
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. .
Pool Engine Designs
Very briefly describes an outline design for a machine that converts atmospheric heat to mechanical or electrical energy.
Solar Collector and Greenhouse
Manual covers everything from exact material lists to avoiding common problems.
Solar Lightguide
Description of a cost-effective solar concentrating collector.
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
Solarwall Article
Environmental Building News reports on solar walls, preheating incoming air that doesn't require glazing or any other high-maintenance parts.
Sterling Solar
Producing power from thermal sources, including geothermal, waste steam, solar, and biofuels.
Temperature Logger
Contains a full description of how to build a temperature logger and solar heated water controller.