A word of warning: Google for the definition of the word “pummer” at your own risk. Rest assured that this beautiful solar-powered circuit sculpture fits the only definition of pummer that we care to ...

According to the most recent data from the World Bank, 15 percent of the world’s population—approximately 1.1 billion people—lacked access to electricity in 2014. In 1994, approximately 27 percent of ...

This Outdoor LED Solar Garden Lights project is a hobby circuit of an automatic garden light using a LDR and 6V/5W solar panel. During day time, the internal rechargeable 6 Volt SLA battery receives ...

This is the most simple and affordable solar battery charger that the hobbyist can make. It has a few drawbacks over other similar controls, but offers numerous advantages. It is intended for charging ...

Scientists at Germany’s Fraunhofer ISE have designed a triple-junction solar cell consisting of perovskite-perovskite-silicon subcells. The device reportedly achieves an efficiency of 20.1% and a ...

Scientists from Switzerland fabricated a dye-sensitized solar cell with a new tailored organic photo-sensitizer coded MS5 and a copper (II/I) electrolyte. A device solely sensitized with MS5 showed an ...