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Manufactured sapphire is incredibly strong and scratch resistant. Now falling costs and technology improvements could make it competitive with glass.
NREL shows that Corning’s Willow glass can be used to make flexible solar cells that could be installed in place of roofing shingles.
Corning developed a thin, flexible glass, but the real breakthrough was figuring out how to mass-produce it.
Solar manufacturers are eager to implement several new technologies that could make solar power cheaper, and the panels easier to make.