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01 / SolarCity > > For being the nation's leading installer of rooftop solar panels. In sum, SolarCity has placed more than 10,000 solar rooftops--10% of the total in the U.S.

(PhysOrg.com) -- Conventional lenses can resolve structures around 200 nanometers (nm) in size, but scientists in Europe have for the first time developed a lens capable of achieving optical resolution of under 100 nm at visible wavelengths.