Arable land is at an all-time premium. Since the last ice age, humans have cleared one-third of the earth’s forests and two-thirds of its wild grasslands, much of it for agriculture. And as the world ...

What do you do when a tried-and-true method for determining the sun's chemical composition appears to be at odds with an innovative, precise technique for mapping the sun's inner structure? That was ...

This work, which verifies one of the predictions of Einstein's General Relativity, is to be published in the journal Astronomy & Astrophysics. The General Theory of Relativity, published by Albert ...

Experts from the International Solar Energy Society explains how regional spectral shifts of the standard spectral distribution of sunlight bring new insights into the performance of bifacial ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. “PHOTOGRAPHIC MAP OF THE SOLAR SPECTRUM / MADE BY PROF. H. A. ROWLAND, JOHNS HOPKINS UNIVERSITY.” This is from the ...

Solar cells are made from semiconductors whose ability to respond to light is determined by their band gaps (energy gaps). Different colors have different energies, and no single semiconductor has a ...

Solar power is set for a boost with the help of a material that can soak up energy from almost all of the Sun’s spectrum. It should allow solar cells to jump in efficiency from today’s best of 30 per ...