Monday, July 26, 2010

Special Report - Energy - Nuclear Energy Loses Cost Advantage - NYTimes.com

Special Report - Energy - Nuclear Energy Loses Cost Advantage - NYTimes.com

Solar photovoltaic systems have long been painted as a clean way to generate electricity, but expensive compared with other alternatives to oil, like nuclear power. No longer. In a “historic crossover,” the costs of solar photovoltaic systems have declined to the point where they are lower than the rising projected costs of new nuclear plants, according to a paper published this month.

Thursday, July 1, 2010

Energy Harvesting Journal: Solar powered airplane

Energy Harvesting Journal: Solar powered airplane

a solar powered flight of more than 27 hours over 874.4 km, the equivalent of a Z├╝rich-London trip. Sky-Sailor is the first to demonstrate this ability with a wingspan of less than 4 meters at a constant altitude