Nanowires may boost solar cell efficiency, UC San Diego engineers say
(University of California - San Diego) University of California-San Diego electrical engineers have created experimental solar cells spiked with nanowires that could lead to highly efficient thin-film solar cells of the future.
Democrat Barack Obama's appeal to  centrist voters has further opened the door to Republican claims his message of change only applies to the positions he has taken in the past.
AP - Iran indicated Saturday that it has no plans to meet a key Western demand that it stop enriching uranium, a day after Tehran sent the European Union a response to an international offer of incentives for halting enrichment.
AP - The call girl involved in a scandal that brought down New York's former governor has dropped a lawsuit claiming "Girls Gone Wild" founder Joe Francis exploited her image and name on the Internet.
