Posts tagged: nano

Solar panels with 80% efficiency that work at night

The most expensive solar panels, carefully designed and complex only reach 40% efficiency. That means that for every ray of sun that hits the panel, only 40% is converted into electricity. Scientists believe that this is the most that the silicon solar panels can reach, so they are now seeking cheaper ways to do them […]

Monday October 19th, 2009 in , , , | 1 Comment »