http://www.sciencedaily.com/news/computers_math/communications/ Communication Technology. Read computer science articles on new technology, internet addiction and more. Read all the current research into computerized communication here. en-us Wed, 11 Nov 2009 13:05:02 EST Wed, 11 Nov 2009 13:05:02 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/computers_math/communications/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/10/091029141249.htm Computer scientists are using Android, the open-source mobile operating system championed by Google, to transform a cell phone into a flexible data-collection tool. Their free suite of tools, named Open Data Kit, is already used by organizations around the world that need inexpensive ways to gather information in areas with little infrastructure. Wed, 11 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/10/091029141249.htm http://www.sciencedaily.com/releases/2009/11/091110105355.htm College age students text the most, preferring it to calls or e-mail. However, new research is suggesting that the copious amounts of texting could lead to overuse injuries -- once only reserved for older adults who have spent years in front of a computer. Tue, 10 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091110105355.htm http://www.sciencedaily.com/releases/2009/11/091110135413.htm Mathematicians are coupling mathematical models with information about a baby's physiology inside the womb. Combining ultrasound with powerful algorithms based on real-life data, pediatricians get critical data on the development of the fetal circulatory system, so they can determine when the baby is strong enough to survive on its own. Tue, 10 Nov 2009 20:00:00 EST http://www.sciencedaily.com/releases/2009/11/091110135413.htm http://www.sciencedaily.com/releases/2009/10/091029161216.htm Millions of people are spending real money on virtual clothes in online hangouts, digital items in multiplayer games and presents for their friends in social networking sites. This digitalisation of consumption is an inherent consequence of the increasing involvement of communication technology in everyday social activities, says one researcher. Tue, 10 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/10/091029161216.htm http://www.sciencedaily.com/releases/2009/11/091110090858.htm A number of US states now use facial recognition technology when issuing drivers licenses. Similar methods are also used to grant access to buildings and to verify the identities of international travelers. Historically, obtaining accurate results with this type of technology has been a time intensive activity. Now, researchers have developed ways to make the technology more efficient while improving accuracy. Tue, 10 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091110090858.htm http://www.sciencedaily.com/releases/2009/11/091109121203.htm If you forget your password when logging into an e-mail or online shopping website, the site will likely ask you a security question: What is your mother's maiden name? Where were you born? The trouble is that such questions are not very secure. But computer scientists are testing a new tactic that could be both easier and more secure. Mon, 09 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091109121203.htm http://www.sciencedaily.com/releases/2009/10/091029151439.htm Researchers have succeeded in getting hold of the environment of a quantum particle. This allows them to exercise greater control over a single electron, and brings the team of researchers a step closer still to the super-fast quantum computer. Mon, 09 Nov 2009 08:00:00 EST http://www.sciencedaily.com/releases/2009/10/091029151439.htm http://www.sciencedaily.com/releases/2009/11/091106102658.htm Researchers in Spain have designed a system for the mobility of military troops within a battlefield following the mechanisms used by ant colonies to move. The scientists have used settings of Panzer General, a commercial war video game, for the development of this software. Sat, 07 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091106102658.htm http://www.sciencedaily.com/releases/2009/10/091027162009.htm Cyber criminals are using fake messages claiming to be from the Federal Deposit Insurance Corporation to deliver a virus capable of stealing unsuspecting victims' bank passwords and other sensitive personal information, says a computer forensics specialist. Sat, 07 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/10/091027162009.htm http://www.sciencedaily.com/releases/2009/11/091105102729.htm A team of researchers in Spain has developed a protocol to distort the user profile generated by Internet search engines, in such a way that they cannot save the searches undertaken by Internet users and thus preserve their privacy. Fri, 06 Nov 2009 08:00:00 EST http://www.sciencedaily.com/releases/2009/11/091105102729.htm http://www.sciencedaily.com/releases/2009/11/091104101628.htm The eyes may be the mirror to the soul, but the iris reveals a person's true identity. A new report demonstrates that iris recognition algorithms can maintain their accuracy even with compact images, affirming their potential for large-scale identity management applications. Thu, 05 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104101628.htm http://www.sciencedaily.com/releases/2009/11/091104132708.htm Professor Yosi Shacham-Diamand of Tel Aviv University's Department of Engineering, working with a team of European Union scientists, has successfully wired a state-of-the-art artificial hand to existing nerve endings in the stump of a severed arm. The device, called "SmartHand," resembles -- in function, sensitivity and appearance -- a real hand. Thu, 05 Nov 2009 08:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104132708.htm http://www.sciencedaily.com/releases/2009/11/091104132812.htm Researchers have found that readers were better able to understand, remember and emotionally respond to material found through "searching" compared to content found while "surfing." "If, as these data suggest, the cognitive and emotional impact of online content is greatest when acquired by searching, then Web site sponsors might consider increasing their advertising on pages that tend to be accessed via search engines," said one of the researchers. Thu, 05 Nov 2009 08:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104132812.htm http://www.sciencedaily.com/releases/2009/11/091104101537.htm Three-dimensional computer graphics is moving into museums. Works of art are being digitally archived in 3-D, simplifying research into related artifacts and providing the public with fascinating three-dimensional displays. Thu, 05 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104101537.htm http://www.sciencedaily.com/releases/2009/11/091102112050.htm A telemedicine system based on a modified version of the Bluetooth wireless protocol can transfer patient data, such as medical images from patient to the health-care provider's mobile device for patient assessment almost four times as fast as conventional Bluetooth and without the intermittent connectivity problems. Thu, 05 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102112050.htm http://www.sciencedaily.com/releases/2009/11/091103112247.htm When searching for basketball videos online, a long list of Web sites appears, which may contain a picture or a word describing a basketball. But what if the computer could search inside videos for a basketball? Researchers are developing software that would enable computers to search inside videos, detect humans and specific objects, and perform other video analysis tasks. Wed, 04 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091103112247.htm http://www.sciencedaily.com/releases/2009/11/091104101543.htm Researchers are working to develop futuristic communications systems that could help protect frontline troops. Building on work completed recently for the UK Ministry of Defence, the project is aimed at investigating the use of arrays of highly specialized antennas that could be worn by combat troops to provide covert short-range person-to-person battleground communications. Wed, 04 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091104101543.htm http://www.sciencedaily.com/releases/2009/11/091103102246.htm The spread of malware, or computer viruses, is a growing problem that can lead to crashed computer systems, stolen personal information, and billions of dollars in lost productivity every year. One of the most insidious types of malware is a "rootkit," which can effectively hide the presence of other spyware or viruses from the user. But now researchers have devised a way to block rootkits and prevent them from taking over your computer systems. Tue, 03 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091103102246.htm http://www.sciencedaily.com/releases/2009/11/091102171611.htm Shoppers could see lower prices but less variety to choose from as more manufacturers sell directly to consumers through the Internet, according to new research. Mon, 02 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102171611.htm http://www.sciencedaily.com/releases/2009/10/091031003511.htm What are the odds that your digital identity will be stolen by cyber criminals? Why do bank payment systems crash when everybody is trying to pay for Christmas gifts by credit card? Cyber criminals are everywhere. Now, help is just a click away. Researchers have developed a new, ultrafast digital signature scheme that is 17,000 times faster than current systems for verification, and 10,000 times faster in providing a digital signature. Sun, 01 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/10/091031003511.htm http://www.sciencedaily.com/releases/2009/10/091012100514.htm New tools and systems developed by European researchers are helping astronomers access data centres from anywhere in the world. From charting new stars to finding new meaning in old stellar objects, the result will be virtual observatories with very real impact. Sun, 01 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/10/091012100514.htm http://www.sciencedaily.com/releases/2009/10/091027185140.htm Electrical engineers recently pitted Genius -- the music recommendation system in Apple's iTunes -- against two experimental music recommender systems. Genius appears to capture acoustic similarities among songs within the same playlist, the researchers found. The electrical engineers also discovered that the music recommender they built from scratch can generate song playlists that human subjects thought were as good as those that Genius generates. Fri, 30 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091027185140.htm http://www.sciencedaily.com/releases/2009/10/091031002504.htm Social media sites, armed with the power of instant advocacy, have ushered in the era of "Community Relations 2.0," according to researchers. It's time for American businesses to evaluate the risks and rewards online communities like Facebook and Twitter present and devote social media teams to this rapidly changing landscape of community engagement. Fri, 30 Oct 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091031002504.htm http://www.sciencedaily.com/releases/2009/09/090928095447.htm Service-centric software engineering is the latest paradigm in computing, and researchers have developed a platform they believe will launch the concept into the business world. Wed, 28 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090928095447.htm http://www.sciencedaily.com/releases/2009/10/091027161539.htm Smokers who crushed computer-simulated cigarettes as part of a psychosocial treatment program in a virtual reality environment had significantly reduced nicotine dependence and higher rates of tobacco abstinence than smokers participating in the same program who grasped a computer-simulated ball, according to a new study. Wed, 28 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091027161539.htm http://www.sciencedaily.com/releases/2009/10/091027103109.htm Electronic tools and technology applications for consumers can help improve health care processes, such as adherence to medication and clinical outcomes like smoking cessation, according to a new report. The analysis of consumer health informatics was based on an examination of 146 published research studies of patient-focused electronic tools. It is among the first to explore the potential value of consumer health informatics. Tue, 27 Oct 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091027103109.htm http://www.sciencedaily.com/releases/2009/10/091016224157.htm Researchers have demonstrated some of the first commercially viable plasmonic devices, paving the way for a new era of high-speed communications and computing in which electronic and optical signals can be handled simultaneously. Mon, 26 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091016224157.htm http://www.sciencedaily.com/releases/2009/10/091022153637.htm While more older adults than ever are using cell phones and computers, a technology gap still exists that threatens to turn senior citizens into second-class citizens, according to Florida State University researchers. Sat, 24 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091022153637.htm http://www.sciencedaily.com/releases/2009/10/091020192204.htm Japanese researchers have developed a computer program which may be able tell from an emergency call if you are about to die. Research shows that a computer algorithm is able to predict the patient's risk of dying at the time of the emergency call. Thu, 22 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091020192204.htm http://www.sciencedaily.com/releases/2009/10/091021125131.htm The Internet has spawned a virtual subculture of "johns" who share information electronically about prostitution, potentially making them harder to catch, according to a new study. Thu, 22 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091021125131.htm http://www.sciencedaily.com/releases/2009/09/090915202150.htm New mobile phone software will help epidemiologists and ecologists working in the field to analyse their data remotely and map findings across the world, without having to return to the lab, according to research. The authors of the study say the software will also enable members of the public to act as 'citizen scientists' and help collect data for community projects. Wed, 21 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090915202150.htm http://www.sciencedaily.com/releases/2009/10/091020111614.htm Engineers have created a new material that would allow a fingernail-size computer chip to store the equivalent of 20 high-definition DVDs or 250 million pages of text, far exceeding the storage capacities of today's computer memory systems. Tue, 20 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091020111614.htm http://www.sciencedaily.com/releases/2009/10/091019163025.htm Scientists have created a remote-controlled robot that is able to simulate the "visual" experience of a blind person who has been implanted with a visual prosthesis, such as an artificial retina. An artificial retina consists of a silicon chip studded with a varying number of electrodes that directly stimulate retinal nerve cells. It is hoped that this approach may one day give blind persons the freedom of independent mobility. Tue, 20 Oct 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091019163025.htm http://www.sciencedaily.com/releases/2009/09/090904071955.htm Poor image and sound quality is encountered all too frequently in the world of video and telephone conferencing, but powerful compression technologies are set to consign these problems to the past -- even in the humble living room. At this year's IFA international consumer electronics exhibition in Berlin, researchers demonstrated the power and flexibility of these new technologies by holding games sessions in which players compete against each other via the Internet. Tue, 20 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090904071955.htm http://www.sciencedaily.com/releases/2009/10/091019134707.htm Scientists have found that middle-aged and older adults with little Internet experience were able to trigger key centers in the brain that control decision-making and complex reasoning after just one week of surfing the Web. The findings suggest that Internet training can stimulate neural activation patterns and could potentially enhance brain function and cognition in older adults. Mon, 19 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091019134707.htm http://www.sciencedaily.com/releases/2009/09/090923105631.htm What the World Wide Web is to humans, the Triple Space could become for machines, say European researchers who have helped lay the foundations for this innovative integration of web services, semantic web and tuple space technologies. Mon, 19 Oct 2009 20:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090923105631.htm http://www.sciencedaily.com/releases/2009/10/091014102201.htm If the wife of FBI boss Robert Mueller has warned him not to use internet banking because of the threat of online fraud, then what hope is there for the average Joe? The results of research suggests that more of us are no longer entrusting our finances to virtual accounts. Mon, 19 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091014102201.htm http://www.sciencedaily.com/releases/2009/10/091015191043.htm Conventional imaging systems incorporate a light source for illuminating an object and a separate sensing device for recording the light rays scattered by the object. By using lenses and software, the recorded information can be turned into a proper image. Human vision is an ordinary process: the use of two eyes (and a powerful brain that processes visual information) provides human observers with a sense of depth perception. But how does a video camera attached to a robot "see" in three dimensions? Mon, 19 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091015191043.htm http://www.sciencedaily.com/releases/2009/10/091019122651.htm A new computerized approach to airport operations is being developed that will reduce delays, speed up baggage handling and decrease pollution. Mon, 19 Oct 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091019122651.htm http://www.sciencedaily.com/releases/2009/10/091019122639.htm Computer scientists are working on the development of an efficient and intelligent facial expression recognition system. The system is capable of locating the face region using derivative-based filtering and recognizing facial expressions using boosting classifier. The portable device is being developed to help autistic children understand the emotions of surrounding people. Mon, 19 Oct 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091019122639.htm http://www.sciencedaily.com/releases/2009/10/091015102043.htm Psychology researchers have found that peripheral vision is most important for telling us what type of scene we're looking at. Examining how people take in scene information paves the way for building better robots. Sun, 18 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091015102043.htm http://www.sciencedaily.com/releases/2009/10/091013162752.htm Can social networking sites help people make wise health decisions? A new study says it depend on people's willingness to take action on the information they gain from the sites. Sun, 18 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091013162752.htm http://www.sciencedaily.com/releases/2009/10/091015133117.htm In the quest for smaller, faster computer chips, researchers are increasingly turning to quantum mechanics -- the exotic physics of the small. The problem: the manufacturing techniques required to make quantum devices have been equally exotic. That is, until now. Sat, 17 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091015133117.htm http://www.sciencedaily.com/releases/2009/10/091015112140.htm New technologies and academic collaborations are helping scholars analyze hundreds of ancient documents in Aramaic, one of the Middle East's oldest continuously spoken and written languages. Fri, 16 Oct 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091015112140.htm http://www.sciencedaily.com/releases/2009/10/091016112637.htm Watching television has no significant impact on viewers' knowledge about the issue of climate change, a new study suggests. However, reading newspapers and using the Web seem to contribute to people's knowledge about this issue. Fri, 16 Oct 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091016112637.htm http://www.sciencedaily.com/releases/2009/10/091014102037.htm Rugby players worldwide could benefit from a new virtual reality training program. "The advantages of this technology are that unlike playing a video game on a normal desktop computer, the rugby player or athlete is totally immersed in a realistic simulated environment," said the lead researcher. Thu, 15 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091014102037.htm http://www.sciencedaily.com/releases/2009/10/091014122056.htm Researchers have combined low-power, embedded processors typically used in netbooks with flash memory to create a server architecture that is fast, but far more energy efficient for data-intensive applications than the systems now used by major Internet services. Thu, 15 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091014122056.htm http://www.sciencedaily.com/releases/2009/10/091013162746.htm Millions of Internet users have been enjoying the fun -- and free -- services provided by advertiser-supported online social networks like Facebook. But a computer scientist worries about the possible down side -- privacy problems. Thu, 15 Oct 2009 05:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091013162746.htm