ScienceDaily: Top Technology News |
- Computer simulations revealing how methane and hydrogen pack into gas hydrates could enlighten alternative fuel production and carbon dioxide storage
- Most distant dwarf galaxy detected
- Faster-than-fast Fourier transform
- Transparency limits on transparent conducting oxides identified
| Posted: 18 Jan 2012 02:32 PM PST For some time, researchers have explored flammable ice for low-carbon or alternative fuel or as a place to store carbon dioxide. Now, a computer analysis of the ice and gas compound, known as a gas hydrate, reveals key details of its structure. The results show that hydrates can hold hydrogen at an optimal capacity of 5 weight-percent, a value that meets the goal of a U.S. Department of Energy standard and makes gas hydrates practical and affordable.  |
| Most distant dwarf galaxy detected Posted: 18 Jan 2012 01:51 PM PST Scientists have long struggled to detect the dim dwarf galaxies that orbit our own galaxy. So it came as a surprise on Jan. 18 when a team of astronomers using Keck II telescope's adaptive optics has announced the discovery of a dwarf galaxy halfway across the universe.  |
| Faster-than-fast Fourier transform Posted: 18 Jan 2012 09:30 AM PST Researchers have developed a new algorithm that, in a large range of practically important cases, improves on the fast Fourier transform. Under some circumstances, the improvement can be dramatic -- a tenfold increase in speed. The new algorithm could be particularly useful for image compression, enabling, say, smartphones to wirelessly transmit large video files without draining their batteries or consuming their monthly bandwidth allotments.  |
| Transparency limits on transparent conducting oxides identified Posted: 18 Jan 2012 07:15 AM PST Computational materials researchers have used cutting-edge calculations to determine fundamental optical transparency limits in conducting oxide material tin oxide.  |
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