Solar collectors and absorbers convert solar radiation into thermal energy, playing a crucial role in meeting global heating demands across various sectors.

The ASTM G173 Standard Spectral Distribution of Sunlight represents a standard, reference solar spectrum that is used for solar photovoltaics testing and calibration purposes. It was defined in the ...

Traditional solar cells harvest only a narrow sliver of the electromagnetic energy pouring down onto Earth, and that's one of the reasons it's been so challenging to get solar efficiency beyond 20-30 ...

Researchers at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL) developed a translucent solar panel to allow certain light spectrums to pass through that are optimal for ...

Solar manufacturers are pushing the limits of solar efficiency. CNET explains what you need to pay attention to if you're shopping for residential solar panels. A major solar panel manufacturer says ...

A salt called guanidinium thiocyanate can improve the efficiency and stability of perovskite solar cells, a new class of semiconductor that could make solar power cheaper and more powerful, according ...

Solar energy is no longer just a clean alternative; it’s becoming a cornerstone of the global energy system. In 2026, high efficiency solar panels are leading this transformation, delivering more ...

The text below the image reads: “SOLAR SPECTRUM. / FROM NEGATIVES MADE WITH AN INTERFERENCE GRATING BY LEWIS M. RUTHERFURD, NEW YORK, 1875 / PRINTED AND PUBLISHED BY OSCAR G. MASON, NEW YORK, U. S. A.