[Reuters/MSNBC] A team at Israel's Ben-Gurion University has found that using gallium arsenide instead of silicon, together with a reflective dish, may be the answer to making solar energy competitive with conventional sources of power. "The dish could be put in a sunny backyard and generate most of the home's utility needs," said David Faiman, a professor of physics at Ben-Gurion University who has studied solar energy for 31 years in Israel's Negev desert. "The costs per watt are comparable to that of a conventional power plant, but without fuel," Faiman added.
2007-09-06 01:00:00Full ArticleBACK Visit the Daily Alert Archive