As sunlight passes through a building's windows it can cause indoor temperatures to rise, to the point that the structure's power-hungry air conditioning system has to be used. A new switchable window ...

Sunlight contains an electromagnetic spectrum (special waves such as the kind in x-rays that travel through emptiness or a vacuum) of light that stretches from very short gamma rays to very long radio ...

HIGHRESOLUTION ATLAS OF THE INFRARED SPECTRUM OF THE SUN AND EARTH ATMOSPHERE FROM SPACE : A COMPILATION OF ATMOS SPECTRA OF THE REGION FROM 650 TO 4800 CM 23 TO 16 SYMBOL FOR GREEK LETTER MUM CROFTON ...