aSolar energy refers to sources of energy that can be directly attributed to the light of the sun or the heat that sunlight generates [1]. Solar energy technologies can be classified along the following continuum: (1) passive and active; (2) thermal and photovoltaic; and (3) concentrating ...
Living nor dead, and I knew nothing,/Looking into the heard of light, the silence./Oed und leer das Meer. T.S. Eliot, The Waste Land, The Burial of the Dead Madame Sosostris, famous clairvoyante,/Had a bad cold, nevertheless/Is known to be the wisest woman in Europe,/With a ...