August 1, 2007Using very different designs, several companies are focusing the sun's energy onto solar cells to lower the cost of solar electricity.Photos: More solar bang for the buckTAGS:photovoltaics, solar energy, sun, cell, silicon, electricity, energy, FAQ, CEO
December 16, 2004If the government doesn't start funding energy research, future generations might end up living in dark, nanotech scientist says.TAGS:energy, Nobel prize, solar energy, scientist, student, U.S.