A variety of kits are available for purchase online or in stores, ranging from DIY solar-powered toys to more extensive kits with multiple panels that cost thousands of dollars. Pearce recommends ...
Bavaria's minister of economic affairs, Hubert Aiwanger, has awarded €10.8 million to German photovoltaic company Tube Solar AG. The company makes what it describes as robust, lightweight thin ...
flexible hydraulic metal tube, like those usually installed in trucks, is coiled in a spiral. A homemade flat tin can, designed to accommodate the spiral, serves as the solar collector.