События
Edmond Becquerel found the "photovoltaic effect"Willoughby Smith found that selenium had photoconductive potentialWilliam Grylls Adam and Richard Evans DayFirst zero-emission flightEnvironmental ConsiderationsCharles Fritts produced the first solar cells made with selenium wafersDaryl Chapin, Calvin Fuller, and Gerald Pearson create solar cells with silicon at Bell LabsThe first solar cells are available commerciallySolar energy became the standard use of energy for space bound satellitesVanguard I, Vanguard II, Explorer III, and Sputnik -3 all used solar power technologyNASA launched world's first Orbiting Astronomical ObservatoryExxon lowerd the cost of solar cellsFirst Solar ResidenceThe University of Wales improved efficiency to 34.5%First solar airplane builtПериоды
7th Century B.C.3rd Century B.C.1200s A.D.1700s-1800sThe solar cells were first used in space to power satellites for U.S. NASA and the Soviet Union space programs1956-19601990s-TodaySolar Laws and Regulations
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