http://www.sciencedaily.com/news/computers_math/computer_science/ Computer Science. Read all the latest developments in the computer sciences including articles on new software, hardware and systems. en-us Sun, 05 Jul 2009 18:05:01 EDT Sun, 05 Jul 2009 18:05:01 EDT 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/computers_math/computer_science/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/06/090617105048.htm Computer scientists have developed a framework for studying the arrangement of tissue networks created by cell division across a diverse set of organisms, including fruit flies, tadpoles and plants. Fri, 03 Jul 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090617105048.htm http://www.sciencedaily.com/releases/2009/07/090702080119.htm Researchers have successfully created an optical transistor from a single molecule. This has brought them one step closer to an optical computer. Fri, 03 Jul 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090702080119.htm http://www.sciencedaily.com/releases/2009/07/090702170133.htm Do friends wear the same style of shoe or see the same movies because they have similar tastes, which is why they became friends in the first place? Or once a friendship is established, do individuals influence each other to adopt like behaviors? Fri, 03 Jul 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090702170133.htm http://www.sciencedaily.com/releases/2009/06/090630163529.htm People find it very easy to recognize a face, even under very different circumstances. For a computer, on the other hand, it is extremely difficult. Researchers have developed a new analytical technique which enables the computer to better interpret the content of photos and images, but also of data. Fri, 03 Jul 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630163529.htm http://www.sciencedaily.com/releases/2009/06/090630163328.htm A current trend in secondary science education is for students to learn by discovering for themselves how things work. Computer modeling is a teaching method that fits in nicely with this trend and also with new learning objectives such as scientific literacy, inquiry-based learning and active involvement. Researchers have demonstrated that computer modeling is particularly useful for learning complex structures but less effective for learning simple facts. Thu, 02 Jul 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630163328.htm http://www.sciencedaily.com/releases/2009/06/090630075449.htm Technology that allows gamers to control game functions with only their eyes is helping to open virtual worlds such as Second Life and World of Warcraft to people with severe motor disabilities. For people suffering from conditions such as cerebral palsy, motor neurone disease (MND) or so-called locked-in syndromes, being able to move around and interact in a virtual environment is a “truly liberating experience,” says a computer scientist who helped develop the software. Wed, 01 Jul 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630075449.htm http://www.sciencedaily.com/releases/2009/06/090629200806.htm A new computer model can help solve a problem that has plagued drug companies trying to develop promising new treatments made of antibodies: Such drugs have a relatively short shelf life because they tend to clump together, rendering them ineffective. Tue, 30 Jun 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090629200806.htm http://www.sciencedaily.com/releases/2009/06/090630075616.htm A robotic vision system that mimics key visual functions of the human brain promises to let robots maneuver quickly and safely through cluttered environments, and to help guide the visually impaired. Tue, 30 Jun 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630075616.htm http://www.sciencedaily.com/releases/2009/06/090630075612.htm From searching for cures for disease to monitoring the Earth’s atmosphere, grid computing has become essential to data-intensive research. But accessing limited grid resources is not always a simple task. Tue, 30 Jun 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090630075612.htm http://www.sciencedaily.com/releases/2009/06/090626140130.htm Controlling road traffic in congested areas is difficult to say the least, a point to which any drive-time urban commuter might testify. An organic approach to traffic lights, might help solve the problem and avoid traffic jams and gridlock, according to new research. Mon, 29 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090626140130.htm http://www.sciencedaily.com/releases/2009/06/090628171949.htm Researchers have created the first rudimentary solid-state quantum processor, and used the two-qubit superconducting chip to successfully run elementary algorithms, demonstrating quantum information processing with a solid-state device for the first time. Mon, 29 Jun 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090628171949.htm http://www.sciencedaily.com/releases/2009/06/090623143054.htm Intimate procedures such as breast exams, while a routine and critical part of medical care, are notoriously tough to teach. Engineers have now crafted a solution: a hybrid computer/mannequin that helps train students not only how to correctly perform a breast exam — but also how to talk to, and glean information from, the patient during the procedure. Mon, 29 Jun 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090623143054.htm http://www.sciencedaily.com/releases/2009/06/090623112115.htm A nationwide study is using the power of storytelling to draw younger students into programming. An animation program called "Alice," allows student programmers of all ages to create their own worlds without realizing they're actually writing code. Mon, 29 Jun 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090623112115.htm http://www.sciencedaily.com/releases/2009/06/090626091136.htm For those who are caring for elderly parents, peace of mind is hard to come by. And, for their parents, dignity is hard to retain. But researchers hopes to ease worries and frustrations by designing an affordable in-home health-monitoring system that will notify caregivers, via smartphones or PDAs, if their loved ones need attention. Sat, 27 Jun 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090626091136.htm http://www.sciencedaily.com/releases/2009/06/090617104916.htm Researchers have developed two new tools to help computer programmers select from among thousands of options within the application programming interfaces that are used to write applications in Java, today's most popular programming language. Thu, 25 Jun 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090617104916.htm http://www.sciencedaily.com/releases/2009/06/090624152824.htm Physicists have found a way to drastically prolong the shelf life of quantum bits, the 0s and 1s of quantum computers. Thu, 25 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090624152824.htm http://www.sciencedaily.com/releases/2009/06/090619130014.htm Computer systems that dynamically create, monitor, manage or suspend online contractual agreements are being developed to deliver greater reliability and security to service-oriented e-business applications. Thu, 25 Jun 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090619130014.htm http://www.sciencedaily.com/releases/2009/06/090617080717.htm Spintronic devices have created enormous advances in microelectronics, leading to faster, instant-on start times and orders-of-magnitude increases in data storage capacity. Spintronics is short for spin transport electronics – electronic devices that use the spin of an electron to carry information. Thu, 25 Jun 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090617080717.htm http://www.sciencedaily.com/releases/2009/06/090622171505.htm A new algorithm developed by computer scientists has revealed for the first time how genetic networks in the fruit fly, Drosophila melanogaster, evolve during the insect's life cycle. The new algorithm, called Tesla, incorporates machine learning techniques that enable researchers to figure out how the rewiring of those networks takes place as the insect develops. Wed, 24 Jun 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090622171505.htm http://www.sciencedaily.com/releases/2009/06/090611142400.htm Researchers have developed an "electronic glue" that could accelerate advances in semiconductor-based technologies, including solar cells and thermoelectric devices that convert sun light and waste heat, respectively, into useful electrical energy. Wed, 24 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090611142400.htm http://www.sciencedaily.com/releases/2009/06/090623150131.htm While it is well known that excessive text messaging can result in sore thumbs, less is known about its possible effects on the neck, arms and hands. Young adults with symptoms in these parts of the body use a different technique when texting. Wed, 24 Jun 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090623150131.htm http://www.sciencedaily.com/releases/2009/06/090624111917.htm Researchers are developing programming tools to enable engineers in the defense industry to utilize the processing power of GPUs without having to learn the complicated programming language required to use them directly. Wed, 24 Jun 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090624111917.htm http://www.sciencedaily.com/releases/2009/06/090618084258.htm Researchers have developed novel algorithms that allow computer visualization software to see moving objects faster and with greater accuracy. Mon, 22 Jun 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090618084258.htm http://www.sciencedaily.com/releases/2009/06/090618144004.htm New research could lead to substantial advancements in the performance of a variety of electronic devices including digital cameras. Mon, 22 Jun 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090618144004.htm http://www.sciencedaily.com/releases/2009/06/090622152035.htm Researchers have developed a computer game therapy that is now ready for treating adults. Mon, 22 Jun 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090622152035.htm http://www.sciencedaily.com/releases/2009/06/090616193351.htm Not using your computer at the moment? You can now donate your computer's idle time to cutting-edge biomedical research aimed at finding a cure for HIV, Parkinson's, arthritis, and breast cancer. Sun, 21 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090616193351.htm http://www.sciencedaily.com/releases/2009/06/090618143958.htm In a breakthrough that will help scientists unlock mysteries of the Sun and its impacts on Earth, an international team of scientists led by the National Center for Atmospheric Research has created the first-ever comprehensive computer model of sunspots. The resulting visuals capture both scientific detail and remarkable beauty. Sun, 21 Jun 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090618143958.htm http://www.sciencedaily.com/releases/2009/06/090618143952.htm Detailed, accurate evolutionary trees that reveal the relatedness of living things can now be determined much faster and for thousands of species with a computing method developed by computer scientists and a biologist. Sat, 20 Jun 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090618143952.htm http://www.sciencedaily.com/releases/2009/06/090616103205.htm Gene regulatory networks in cell nuclei are similar to cloud computing networks, such as Google or Yahoo!, researchers report in the journal Molecular Systems Biology. The similarity is that each system keeps working despite the failure of individual components, whether they are master genes or computer processors. Wed, 17 Jun 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090616103205.htm http://www.sciencedaily.com/releases/2009/06/090615144431.htm Move over, silicon -- it may be time to give the Valley a new name. Physicists have confirmed the existence of a type of material that could one day provide dramatically faster, more efficient computer chips. Tue, 16 Jun 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090615144431.htm http://www.sciencedaily.com/releases/2009/06/090611065837.htm A computer screen in the living room can help dementia sufferers to check the time and date and to remember appointments. Tue, 16 Jun 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090611065837.htm http://www.sciencedaily.com/releases/2009/06/090609220727.htm Engineering students have taken advantage of the accelerometers in emerging cell phones to create an application that permits users to write short notes in the air with their phone, and have that message automatically sent to an e-mail address. Sun, 14 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090609220727.htm http://www.sciencedaily.com/releases/2009/06/090612122453.htm A consortium of European researchers is solving some of the fundamental obstacles blocking real quantum computing applications in the short term. At the same time, it is helping to pave the way to a quantum computer. Sun, 14 Jun 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090612122453.htm http://www.sciencedaily.com/releases/2009/06/090610074159.htm Internet use continues to increase, this is especially true regarding social media. Older people in particular have increased the use of internet since 2007. However, television continues to have the large coverage in all groups with one exception, 15 to 24 year olds used the Internet more than they watched television an average day in 2008, according to a national survey of 4,500 persons. Fri, 12 Jun 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090610074159.htm http://www.sciencedaily.com/releases/2009/06/090611120759.htm A new and novel computer modeling platform developed through intensive, multidisciplinary collaboration at New York University can help hospitals and cities to be more prepared for catastrophic public health scenarios, according to a newly published journal article. Thu, 11 Jun 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090611120759.htm http://www.sciencedaily.com/releases/2009/06/090608095042.htm A team of physicists and engineers has demonstrated exquisite control of single particles of light -- photons -- on a silicon chip to make a major advance towards long-sought-after quantum technologies, including super-powerful quantum computers and ultra-precise measurements. Wed, 10 Jun 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090608095042.htm http://www.sciencedaily.com/releases/2009/06/090608131158.htm Researchers have developed a new method for using computer graphics to simulate and render an accurate visualization of a lunar eclipse. The model uses celestial geometry of the sun, Earth, and moon, along with data for the Earth's atmosphere and the moon's peculiar optical properties to create picture-perfect images of lunar eclipses. Wed, 10 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090608131158.htm http://www.sciencedaily.com/releases/2009/06/090608212138.htm While back pain, blurred vision and mouse-related injuries are now well-documented hazards of long-term computer use, the number of acute injuries connected to computers is rising rapidly. Researchers have found a more-than-sevenfold increase in computer-related injuries due to tripping over computer equipment, head injuries due to computer monitor falls and other physical incidents. Tue, 09 Jun 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090608212138.htm http://www.sciencedaily.com/releases/2009/06/090608071802.htm Computer/console gamers who play for more than seven hours a week, and who identify their gaming as an addiction, sleep less during the weekdays and experience greater sleepiness than casual or nongamers, according to new research. Mon, 08 Jun 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090608071802.htm http://www.sciencedaily.com/releases/2009/06/090608071949.htm The largest 500 companies regulated by the SEC are poised to submit their first financial reports that will be tagged using XBRL code -- which allows computers to "read" content and find and analyze financial data. However, a new study finds that XBRL filings submitted as part of an SEC pilot were flawed. If these flaws aren't fixed, they will undermine confidence in the XBRL program from the beginning. Mon, 08 Jun 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090608071949.htm http://www.sciencedaily.com/releases/2009/06/090602161940.htm Approximately a third of the electricity consumed by large data centers doesn't power the computer servers that conduct online transactions, serve web pages or store information. Instead, that electricity must be used for cooling the servers, a demand that continues to increase as computer processing power grows. Sat, 06 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090602161940.htm http://www.sciencedaily.com/releases/2009/06/090605112333.htm When students working with educational software get stymied, they often try to find fault with the computer or the software, rather than look to their own mistakes, according to new research. Sat, 06 Jun 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090605112333.htm http://www.sciencedaily.com/releases/2009/06/090602112309.htm Strategies to mitigate disease epidemics in cities will not be so effective in rural areas, according to researchers using computer models to study the spread of disease. They found that in cities, people have a lot of informal contact with one another but looser ties. Fri, 05 Jun 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090602112309.htm http://www.sciencedaily.com/releases/2009/06/090603131429.htm Physicists have demonstrated entanglement -- a phenomenon peculiar to the atomic-scale quantum world -- in a mechanical system similar to those in the macroscopic everyday world. The work extends the boundaries of the arena where quantum behavior can be observed and shows how laboratory technology might be scaled up to build a functional quantum computer. Thu, 04 Jun 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090603131429.htm http://www.sciencedaily.com/releases/2009/06/090603131441.htm Engineers have built a fast, ultra-broadband, low-power radio chip, modeled on the human inner ear, that could enable wireless devices capable of receiving cell phone, Internet, radio and television signals. Thu, 04 Jun 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090603131441.htm http://www.sciencedaily.com/releases/2009/06/090603182120.htm Splash, splatter, babble, sploosh, drip, drop, bloop and ploop! Those are some of the sounds that have been missing from computer graphic simulations of water and other fluids, according to researchers in Cornell's Department of Computer Science, who have come up with new algorithms to simulate such sounds to go with the images. Thu, 04 Jun 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090603182120.htm http://www.sciencedaily.com/releases/2009/06/090601085928.htm Researchers in Spain have developed Inmamusys, a computer software program that can create music in response to emotions that arise in the listener. By using artificial intelligence (AI) techniques, the program enables original, copyright-free and emotion-inspiring music to be played continuously. Tue, 02 Jun 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090601085928.htm http://www.sciencedaily.com/releases/2009/06/090601090029.htm Recognizing objects and groups of objects is something we humans take for granted. For computers, this is far from straightforward. A European project has come up with novel solutions to this conundrum. Tue, 02 Jun 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/06/090601090029.htm