ScienceDaily: Top Technology News |
- Graphene re-knits its holes
- Record efficiency for next-generation solar cells
- Giant ice avalanches on Saturn's moon Iapetus provide clue to extreme slippage elsewhere in the solar system
- New dimension of physics research: Cutting the graphene cake
| Posted: 29 Jul 2012 12:00 PM PDT Scientists have discovered that the 'miracle material', graphene, undergoes a self repairing process to mend holes.  |
| Record efficiency for next-generation solar cells Posted: 29 Jul 2012 11:23 AM PDT Researchers have made a breakthrough in the development of colloidal quantum dot (CQD) films, leading to the most efficient CQD solar cell ever. The researchers created a solar cell out of inexpensive materials that was certified at a world-record 7.0 percent efficiency.  |
| Posted: 29 Jul 2012 11:22 AM PDT Saturn's ice moon Iapetus has more giant landslides than any solar system body other than Mars. Measurements of the avalanches suggest that some mechanism lowered their coefficients of friction so that they flowed rather than tumbled, traveling extraordinary distances before coming to rest. Scientists who have been studying the ice avalanches suggest a experimental test that might provide some answers.  |
| New dimension of physics research: Cutting the graphene cake Posted: 29 Jul 2012 11:21 AM PDT Researchers have demonstrated that graphene can be used as a building block to create new 3D crystal structures which are not confined by what nature can produce. Sandwiching individual graphene sheets between insulating layers in order to produce electrical devices with unique new properties, the method could open up a new dimension of physics research.  |
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