ScienceDaily: Top Technology News |
- NASA survey counts potentially hazardous asteroids
- Graphite enters different states of matter in ultrafast experiment
- Baby galaxies grew up quickly
- Deeper Look at Centaurus A
- Full control of plastic transistors
- Getting in tune: Researchers solve tuning problem for wireless power transfer systems
- The use of acoustic inversion to estimate the bubble size distribution in pipelines
- Spurious switching points in traded stock dynamics
| NASA survey counts potentially hazardous asteroids Posted: 16 May 2012 03:06 PM PDT Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of potentially hazardous asteroids. The results reveal new information about their total numbers, origins and the possible dangers they may pose.  |
| Graphite enters different states of matter in ultrafast experiment Posted: 16 May 2012 11:00 AM PDT For the first time, scientists have seen an X-ray-irradiated mineral go to two different states of matter in about 40 femtoseconds. Scientists heated graphite to induce a transition from solid to liquid and to warm-dense plasma.  |
| Posted: 16 May 2012 09:02 AM PDT Baby galaxies from the young universe more than 12 billion years ago evolved faster than previously thought, shows new research. This means that already in the early history of the universe, there was potential for planet formation and life.  |
| Posted: 16 May 2012 06:32 AM PDT The strange galaxy Centaurus A is pictured in a new image from the European Southern Observatory. With a total exposure time of more than 50 hours this is probably the deepest view of this peculiar and spectacular object every created.  |
| Full control of plastic transistors Posted: 16 May 2012 06:30 AM PDT Transistors made of plastic can be controlled with great precision, according to a new article.  |
| Getting in tune: Researchers solve tuning problem for wireless power transfer systems Posted: 15 May 2012 07:46 AM PDT Researchers have developed a new way to fine-tune wireless power transfer (WPT) receivers, making the systems more efficient and functional. WPT systems hold promise for charging electric vehicles, electronic devices and other technologies.  |
| The use of acoustic inversion to estimate the bubble size distribution in pipelines Posted: 15 May 2012 07:45 AM PDT New research has devised a new method to more accurately measure gas bubbles in pipelines. The ability to measure gas bubbles in pipelines is vital to the manufacturing, power and petrochemical industries. In the case of harvesting petrochemicals from the seabed, warning of bubbles present in the crude that is being harvested is crucial because otherwise when these bubbles are brought up from the seabed (where pressure is very high) to the surface where the rig is, the reduction in pressure causes these bubbles to expand and causes 'blow out'.  |
| Spurious switching points in traded stock dynamics Posted: 15 May 2012 07:45 AM PDT A selection of biased statistical subsets could yield an inaccurate interpretation of market behaviour and financial returns. Physicists have rebuffed the existence of power laws governing the dynamics of traded stock volatility, volume and intertrade times at times of stock price extrema. They did this by demonstrating that what appeared as "switching points" in financial markets trends was due to a bias in the interpretation of market data statistics.  |
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