The sun has woken up grumpy this week, developing unusually unstable magnetic fields at some sunspots that may result in rare and violent X-class solar flares being fired at the Earth. X-class flares ...

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.

M. EIFFEL having very obligingly put the tower in the Champ-de-Mars at my disposal for any experiments and observations that I cared to make there, I decided to take advantage of the powerful electric ...

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 ...

In a recently built office building in Boulder, Colorado, there are solar panels on the roof. But the building also has one of the world’s first installations of solar-window technology—transparent ...

Solar cells that combine traditional silicon with cutting-edge perovskites could push the efficiency of solar panels to new heights. Beyond Silicon, Caelux, First Solar, Hanwha Q Cells, Oxford PV, ...

BRANCH COUNTY, MI - One company hopes to harvest electricity from the sun. The other is in the business of getting that power where it needs to go. While they might normally work in tandem, in a rural ...