One step to solar-cell efficiency: Chemical process may improve manufacturing Posted: 19 Jun 2014 09:55 AM PDT Scientists have created a one-step process for producing highly efficient materials that let the maximum amount of sunlight reach a solar cell. Scientists found a simple way to etch nanoscale spikes into silicon that allows more than 99 percent of sunlight to reach the cells’ active elements, where it can be turned into electricity. |
Humans have been changing Chinese environment for 3,000 years: Ancient levee system set stage for massive, dynasty-toppling floods Posted: 19 Jun 2014 09:50 AM PDT A widespread pattern of human-caused environmental degradation and related flood-mitigation efforts began changing the natural flow of China’s Yellow River nearly 3,000 years ago, setting the stage for massive floods that toppled the Western Han Dynasty, suggests new research from Washington University in St. Louis. |
Two low-cost, car battery-sized space telescopes launched Posted: 19 Jun 2014 06:19 AM PDT Two nanosatellites were launched from Russia by a Canadian research and technology team. Costing a fraction of conventional space telescopes and similar in size and weight to a car battery, the satellites are two of six that will work together to shed light on the structures and life stories of some of the brightest stars in the sky, uncovering unique clues as to the origins of our own Sun and Earth. |
Re-routing flights could reduce climate impact, research suggests Posted: 18 Jun 2014 07:06 PM PDT |
Winds of change for the shipping sector Posted: 18 Jun 2014 07:06 PM PDT |
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