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 ...
Interesting Engineering on MSN
Space-based US solar firm breaks world record for beaming wireless electricity
According to Star Catcher, “using space-based optical power beaming, the Star Catcher Network collects and concentrates ...
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