ScienceDaily: Top Technology News |
- Frustration inspires new form of graphene
- A hidden order unraveled: Microscopic views on quantum fluctuations
- Researchers discover material with graphene-like properties
- Redox flow batteries, a promising technology for renewable energies integration
- Mobile electrons multiplied in quantum dot films
- Watching motion of electrons in molecules during chemical reactions
- How the zebra gets its stripes: A simple genetic circuit
| Frustration inspires new form of graphene Posted: 14 Oct 2011 11:26 AM PDT Researchers have now developed a new form of graphene that does not stack. The new material -- inspired by a trash can full of crumpled-up papers -- is made by crumpling the graphene sheets into balls.  |
| A hidden order unraveled: Microscopic views on quantum fluctuations Posted: 14 Oct 2011 09:23 AM PDT Fluctuations are fundamental to many physical phenomena in our everyday lives. Using a high resolution microscope, scientists have now been able to image quantum-correlated particle-hole pairs in a gas of ultracold atoms. This has allowed the physicists to unravel a hidden order in the crystal.  |
| Researchers discover material with graphene-like properties Posted: 14 Oct 2011 06:56 AM PDT After the Nobel Prize in Physics was awarded to two scientists in 2010 who had studied the material graphene, this substance has received a lot of attention. Scientists have now developed and analyzed a material which possesses physical properties similar to graphene.  |
| Redox flow batteries, a promising technology for renewable energies integration Posted: 14 Oct 2011 05:00 AM PDT Today there is a wide variety of energy storage technologies at very different stages of development. Among them, the Redox Flow Battery (RFB) is an innovative solution based on the use of liquid electrolytes stored in tanks and pumped through a reactor to produce energy. Researchers are currently working in the development of high performance RFBs.  |
| Mobile electrons multiplied in quantum dot films Posted: 14 Oct 2011 05:00 AM PDT Researchers have demonstrated that several mobile electrons can be produced by the absorption of a single light particle in films of coupled quantum dots. These multiple electrons can be harvested in solar cells with increased efficiency.  |
| Watching motion of electrons in molecules during chemical reactions Posted: 14 Oct 2011 05:00 AM PDT Scientists have, for the first time, visualized the motion of electrons during a chemical reaction. The new findings in the experiment are of fundamental importance for photochemistry and could also assist the design of more efficient solar cells.  |
| How the zebra gets its stripes: A simple genetic circuit Posted: 13 Oct 2011 11:18 AM PDT Developmental processes that create stripes and other patterns are complex and difficult to untangle. To sort it out, a team of scientists has designed a simple genetic circuit that creates a striped pattern that they can control by tweaking a single gene. This genetic loop is made two linked modules that sense how crowded a group of cells has become and responds by controlling their movements.  |
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