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Stopping cloud computer problems before they start Sep 10th 2012, 15:25 Researchers have developed a new software tool to prevent performance disruptions in cloud computing systems by automatically identifying and responding to potential anomalies before they can develop into problems. Printed photonic crystal mirrors shrink on-chip lasers down to size Jul 23rd 2012, 13:52 Electrical engineers have devised a new laser for on-chip optical connections that could give computers a huge boost in speed and energy efficiency. Toward achieving one million times increase in computing efficiency Jul 10th 2012, 17:30 Researchers have created an entirely new family of logic circuits based on magnetic semiconductor devices. The advance could lead to logic circuits up to one million times more power-efficient than today's. Rewriting quantum chips with a beam of light: Laser technique brings ultrafast computing closer to reality Jun 26th 2012, 15:43 The promise of ultrafast quantum computing has moved a step closer to reality with a technique to create rewritable computer chips using a beam of light. Researchers used light to control the spin of an atom's nucleus in order to encode information. Quantum computers could help search engines keep up with the Internet's growth Jun 12th 2012, 18:46 With the web constantly expanding, researchers have proposed – and demonstrated the feasibility – of using quantum computers to run Google's page ranking algorithm faster. Quantum computers move closer to reality, thanks to highly enriched and highly purified silicon Jun 7th 2012, 19:41 Scientists have made the next step towards making quantum computing a reality -- through the unique properties of highly enriched and highly purified silicon. Understanding complex relationships: How global properties of networks become apparent locally Jun 7th 2012, 13:26 Scientists have shown how global properties of networks become apparent in local characteristics. From infections spreading around the globe to the onset of an epileptic seizure in the brain: Many phenomena can be seen as the effects of network activity. Often it is vitally important to understand the properties of these networks. However, they are often too complex to be described completely. Scientists have now been able to show how global features of complex networks can be discovered in local statistical properties – which are much more accessible for scientific investigation. Nuclear weapon simulations show performance in molecular detail Jun 5th 2012, 19:59 US researchers are perfecting simulations that show a nuclear weapon's performance in precise molecular detail, tools that are becoming critical for national defense because international treaties forbid the detonation of nuclear test weapons. Flexible channel width improves user experience on wireless systems Jun 4th 2012, 15:14 Researchers have developed a technique to efficiently divide the bandwidth of the wireless spectrum in multi-hop wireless networks to improve operation and provide all users in the network with the best possible performance. Quantum computers will be able to simulate particle collisions Jun 1st 2012, 16:06 Quantum computers are still years away, but a trio of theoretical physicists can already make the claim "there's an app for that." The theorists have developed a mathematical algorithm that will be used by a future quantum computer to study the inner workings of the universe in ways that are far beyond the reach of even the most powerful conventional supercomputers. Website security: Spot a bot to stop a botnet May 1st 2012, 14:00 Computer scientists have developed a two-pronged algorithm that can detect the presence of a botnet on a computer network and block its malicious activities before it causes too much harm. Not all today's students are 'tech-savvy' Apr 23rd 2012, 03:18 A small minority of today's university students don't use email and others are confused by the array of technologies available at universities. Yet many students couldn't bear to be without their mobile phones and find themselves distracted by social networking sites during study.  Quantum computer built inside a diamond Apr 4th 2012, 20:19 A team of scientists has built a quantum computer in a diamond, the first of its kind to include protection against "decoherence" -- noise that prevents the computer from functioning properly. Why are we made of matter? Supercomputing the difference between matter and antimatter Mar 29th 2012, 15:22 Using breakthrough techniques on some of the world's fastest supercomputers -- scientists have reported a landmark calculation of a kind of subatomic particle decay that's important to understanding matter/antimatter asymmetry. The research helps nail down the exact process of kaon decay, and is also inspiring the development of a new generation of supercomputers. Supercomputers help explain why there is almost no anti-matter in our universe Mar 29th 2012, 14:16 Powerful supercomputers have shed light on the behavior of key sub-atomic particles, in a development that could help explain why there is almost no anti-matter in our universe. Physicists have reported a landmark calculation of the decay of an elementary particle called a kaon, using breakthrough techniques on some of the world's fastest supercomputers. This revealed the first experimental evidence of a phenomenon known as charge-parity (CP) violation - a lack of symmetry between particles and their corresponding antiparticles that may explain why the Universe is made of matter, and not antimatter. Computer processors: Saving power, saving money Mar 8th 2012, 16:56 Engineers have proposed a method of cutting power use and costs in computer processors. Called fine-grained power gating, the method would shut off energy to unused portions of datapath and memory blocks. Current processors fully power all components but rarely are all fully engaged. Researchers develop better control for DNA-based computations Feb 17th 2012, 19:57 A chemist has found a way to give DNA-based computing better control over logic operations. His work could lead to interfacing DNA-based computing with traditional silicon-based computing. Scientists develop biological computer to encrypt and decipher images Feb 8th 2012, 01:28 Scientists have developed a "biological computer" made entirely from biomolecules that is capable of deciphering images encrypted on DNA chips. Gaming technology for calculating floods Jan 18th 2012, 15:14 Norwegian researchers have borrowed a page from game developers to devise simulation technology that can save lives in many parts of the world by helping to reduce the damage from catastrophic floods. More powerful supercomputers? New device could bring optical information processing Dec 22nd 2011, 20:20 Researchers have created a new type of optical device small enough to fit millions on a computer chip that could lead to faster, more powerful information processing and supercomputers. HokieSpeed is a new powerful supercomputer for the masses Dec 21st 2011, 15:57 Virginia Tech crashed the supercomputing arena in 2003 with System X, a machine that placed the university among the world's top computational research facilities. Now comes HokieSpeed, a new supercomputer that is up to 22 times faster and yet a quarter of the size of X. As researchers from around the world have used System X to crack riddles of the blood system and further DNA research, HokieSpeed will be a next-generation research tool for engineers, scientists, and others. Multi-purpose photonic chip paves the way to programmable quantum processors Dec 11th 2011, 18:40 A multi-purpose optical chip which generates, manipulates and measures entanglement and mixture -- two quantum phenomena which are essential driving forces for tomorrow's quantum computers -- has now been developed. This work represents an important step forward in the race to develop a quantum computer. Supercomputers take a cue from microwave ovens: Co-design may be the answer to modeling clouds and other big problems Dec 1st 2011, 14:48 As sophisticated as modern climate models are, one critical component continues to elude their precision -- clouds. Clouds modulate the climate. Experts agree that getting their effect on the climate system correct is critical to increasing confidence in projections of future climate change. To build the breakthrough supercomputers that these researchers need, computer scientists are taking a cue from the world of consumer electronics. Japan's 'K computer' ranks No. 1 in four benchmarks at HPC Challenge Awards Nov 16th 2011, 13:17 RIKEN, the University of Tsukuba, and Fujitsu Limited have announced that they received top-ranking in all four benchmarks for the performance results of the "K computer" at the 2011 HPC Challenge Awards. Galaxy DNA-analysis software is now available 'in the cloud' Nov 9th 2011, 01:15 Galaxy -- an open-source, web-based platform for data-intensive biomedical and genetic research -- is now available as a "cloud computing" resource. The new technology will help scientists and biomedical researchers to harness such tools as DNA-sequencing and analysis software, as well as storage capacity for large quantities of scientific data. Three key questions for the IT industry Oct 27th 2011, 12:27 Today's multicore processors are not being utilized in a sufficiently intelligent way. They get too hot and run slowly because they are used inefficiently. At the same time, transistors are becoming so small that they will ultimately become unreliable. Major research organizations are now attempting to create a revolution in computer architecture.

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