Portal Space Systems says it has successfully tested its solar thermal propulsion system at operational temperatures inside a ...

Scientists in India have built a solar-powered thermic solar geyser prototype based on a nichrome wire heating rod and a flexible pipe heat exchanger with aluminum fins. The system is designed to ...

Question: I like warm swimming water, and I want several extra months of use. How effective are the new pool solar heating systems that help to cool a house too? Are there any budget-priced ...

A 200-foot tower stands centered in front of a field of rotating mirrors on the southern edge of Albuquerque, New Mexico. It’s the National Solar Thermal Test Facility, operated by Sandia National ...

THE STRATO-THERM+ SOLAR THERMAL STORAGE TANK provides a simple means of integrating solar energy into almost any application. THE STRATO-THERM+ SOLAR THERMAL STORAGE TANK provides a simple means of ...

When Terry McIlveen built his home in Maine in 1997, he made the unusual choice to install radiant floor heating. “People thought I was nuts,” he says. However, since that time, radiant floor heat has ...

An international research group led by Germany’s Karlsruhe Institute of Technology conducted energy, economic, and environmental assessments of 54 photovoltaic-thermal (PVT) indirect-expansion (IDX) ...

I live in a rehabilitated farmhouse near Kalamazoo. Although well-insulated, it uses more gas and wood energy to heat than I would like. One roof is south-facing. Several decades ago, solar power in ...

DRIVING through the baking landscape of Almería, it is no mystery why this Spanish province is home to a novel type of power station that generates electricity by harnessing the heat of the sun. For ...