Although the outbreak of Planet War I and the discovery of low cost oil from the 1930s discouraged the progression of solar Electrical power, Shuman's eyesight, and essential design were resurrected in the 1970s having a new wave of interest in solar thermal Power.[25] In 1916 Shuman was quoted in https://solar-rooftop88653.blue-blogs.com/44319429/examine-this-report-on-solar-rooftop-สกลนคร