Although the outbreak of Earth War I and the discovery of low cost oil from the 1930s discouraged the progression of solar Electricity, Shuman's vision, and simple design and style had been resurrected during the seventies with a new wave of interest in solar thermal Electricity.[twenty five] In 1916 Shuman https://spencerdsfsd.blogozz.com/35200648/a-secret-weapon-for-solar-rooftop-สกลนคร