HEATKEYS

Photovoltaic applications, technologies and large-scale PV power plants

A little online application with interactive map that shows sun movement and sunlight phases during the given day at the given location.

Build It Solar will help people with Do It Yourself skills build solar projects that save money and reduce pollution. It is a "hands-on" site with detailed plans for solar projects including solar space heating, water heating, passive sola...

The U.S. DOE Energy Efficiency and Renewable Energy Web site provides information on energy efficiency and renewable energy technologies.

Become an expert or ask an advisor about ANY subject, such as financial advice or medical questions, at this question-and-answer community.

This site offers specialist software for tree surveying, drawing tree data to AutoCAD. It also offers tree shadow display software.

Professional 3D Architectural Home Design Software for residential home design and light commercial. Discover why millions of people use Chief Architect as the home design software product of choice for 2D and 3D design.

The Naked Scientists, online, internet science radio show PODCAST. Contains science articles, online science discussion forum, interviews with famous scientists, science book reviews and free MP3 downloads including internet science radio shows and s...

Academia.edu helps academics follow the latest research.