http://www.sciencedaily.com/news/computers_math/mobile_computing/ Mobile Computing Technology. Read the latest research on cell phones, pda devices and new mobile computing products. en-us Wed, 25 Nov 2009 05:05:01 EST Wed, 25 Nov 2009 05:05:01 EST 60 http://www.sciencedaily.com/images/logosmall.gif http://www.sciencedaily.com/news/computers_math/mobile_computing/ For more science articles, visit ScienceDaily. http://www.sciencedaily.com/releases/2009/11/091122095424.htm A new application for the Android smartphone shows users and software developers how much power their applications are consuming. Tue, 24 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091122095424.htm http://www.sciencedaily.com/releases/2009/11/091111120801.htm Search engine technology is in a state of flux as it digs ever deeper for new meaning. Mon, 23 Nov 2009 08:00:00 EST http://www.sciencedaily.com/releases/2009/11/091111120801.htm http://www.sciencedaily.com/releases/2009/11/091120095005.htm Physicists have made an important advance in electrically controlling quantum states of electrons, a step that could help in the development of quantum computing. Mon, 23 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091120095005.htm http://www.sciencedaily.com/releases/2009/11/091118120309.htm All too often the knowledge acquired by software architects is unnecessarily lost. Moreover, it is difficult to simply and quickly assess the quality of software. According to researchers these problems can, however, be easily resolved. They investigated how architectural knowledge can be better disseminated and retrieved. Sat, 21 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091118120309.htm http://www.sciencedaily.com/releases/2009/11/091119193818.htm Most people would like to be able to charge their cell phones and other personal electronics quickly and not too often. A recent discovery made by engineers could lead to carbon nanotube-based supercapacitors that could do just this. Fri, 20 Nov 2009 08:00:00 EST http://www.sciencedaily.com/releases/2009/11/091119193818.htm http://www.sciencedaily.com/releases/2009/11/091119101046.htm Like the paperless office, the smart home has been a long time coming, but a new article suggests that radio tags coupled with mobile communications devices could soon provide seamless multimedia services to the home. Thu, 19 Nov 2009 23:00:00 EST http://www.sciencedaily.com/releases/2009/11/091119101046.htm http://www.sciencedaily.com/releases/2009/11/091120000635.htm Current methods of searching audiovisual content can be a hit-and-miss affair. Manually tagging online media content is time consuming, and costly. But new ‘query by example’ methods, built on peer-to-peer (P2P) architectures, could provide the way forward for such data-intensive content searches, say European researchers. Thu, 19 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091120000635.htm http://www.sciencedaily.com/releases/2009/11/091118133535.htm IBM has announced significant progress toward creating a computer system that simulates and emulates the brain's abilities for sensation, perception, action, interaction and cognition, while rivaling the brain's low power and energy consumption and compact size. Scientists have performed the first near real-time cortical simulation of the brain that exceeds the scale of a cat cortex and contains 1 billion spiking neurons and 10 trillion individual learning synapses. Wed, 18 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091118133535.htm http://www.sciencedaily.com/releases/2009/11/091115134128.htm Physicists have demonstrated the first "universal" programmable quantum information processor able to run any program allowed by quantum mechanics -- the rules governing the submicroscopic world -- using two quantum bits (qubits) of information. The processor could be a module in a future quantum computer, which theoretically could solve some important problems that are intractable today. Mon, 16 Nov 2009 11:00:00 EST http://www.sciencedaily.com/releases/2009/11/091115134128.htm http://www.sciencedaily.com/releases/2009/10/091029162022.htm Scientists have designed smartphone technology, which includes interactive games and easy-to-use logging features, especially for elderly Chinese diabetics. Mon, 16 Nov 2009 02:00:00 EST http://www.sciencedaily.com/releases/2009/10/091029162022.htm http://www.sciencedaily.com/releases/2009/11/091116103705.htm Scientists have embraced the Grid, but businesses have held back, concerned about complexity and security. Now a European research team has built a platform opening the Grid's vast resources to business users. Mon, 16 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091116103705.htm http://www.sciencedaily.com/releases/2009/11/091111101400.htm Mathematicians have created a method to design underground lines whereby a city's historical buildings are unaffected. Thu, 12 Nov 2009 05:00:00 EST http://www.sciencedaily.com/releases/2009/11/091111101400.htm http://www.sciencedaily.com/releases/2009/11/091110171746.htm Researchers are making progress in developing a new type of transistor that uses a finlike structure instead of the conventional flat design, possibly enabling engineers to create faster and more compact circuits and computer chips. Wed, 11 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/11/091110171746.htm 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/2009/11/091111210626.htm Electronic devices can't work well unless all of the transistors, or switches, within them allow electrical current to flow easily when they are turned on. Engineers have now determined why some transistors made of organic crystals don't perform well, yielding ideas about how to make them work better. Wed, 11 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091111210626.htm http://www.sciencedaily.com/releases/2009/11/091111142514.htm Silicon nanowires are attracting attention from the electronics industry due to the drive for smaller devices, from cell phones to computers. The operation of these devices, and an array of additional applications, will depend on the mechanical properties of these nanowires. New research shows that silicon nanowires are far more resilient than their larger counterparts, a finding that paves the way for smaller, sturdier nanoelectronics, nanosensors, light-emitting diodes and other applications. Wed, 11 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091111142514.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/2009/11/091111111301.htm A unique microchip with microscopic nail structures enable close communication between the electronics and biological cells. The new chip is a mass-producible, easy-to-use tool in electrophysiology research, for example for fundamental research on the functioning and dysfunctioning of the brain. Each micronail structure serves as a close contact-point for one cell, and contains an electrode that can very accurately record and trigger in real-time the electrical activity of an individual electrogenic cell in a network. Mon, 09 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091111111301.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/2009/11/091111120803.htm Sharing small snippets of information about your daily life is a key feature of the online social networking revolution. Soon status updates and other social information could be generated automatically. Thu, 05 Nov 2009 00:00:00 EST http://www.sciencedaily.com/releases/2009/11/091111120803.htm http://www.sciencedaily.com/releases/2009/11/091102121632.htm A wireless digital "plaster" that can monitor vital signs continuously and remotely is being tried out with patients and healthy volunteers in a new clinical trial run by researchers in the UK. The digital "plaster" or "patch" is a disposable device that sticks to a patient's chest. It is designed to allow patients to have their health monitored continuously without being wired up to bulky, fixed monitoring machines. Mon, 02 Nov 2009 17:00:00 EST http://www.sciencedaily.com/releases/2009/11/091102121632.htm http://www.sciencedaily.com/releases/2009/10/091027132959.htm Researchers are investigating long-distance, mobile optical links imperative for secure quantum communications capabilities in theater. They have conducted high data-rate experiments using an optical laser link, a tool which exploits the quantum noise of light for higher security. Mon, 02 Nov 2009 14:00:00 EST http://www.sciencedaily.com/releases/2009/10/091027132959.htm http://www.sciencedaily.com/releases/2009/10/091029160532.htm High-performance energy storage technologies for the automotive industry or mobile phone batteries and notebooks providing long battery times – these visions of the future are being brought one step nearer. Researchers have developed a new method that utilizes silicon for lithium-ion batteries. Its storage capacity is ten times higher than the graphite substrate which has been used up to now, and promises considerable improvements for users. Fri, 30 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091029160532.htm http://www.sciencedaily.com/releases/2009/10/091027162001.htm Scientists have always attempted to develop spin transistors by incorporating local ferromagnets into device architectures. A far better and practical way to manipulate the orientation of an electron's spin would be by using purely electrical means. Researchers have now found an innovative and novel way to control an electron's spin orientation using purely electrical means. Fri, 30 Oct 2009 17:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091027162001.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/2009/10/091016224157.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/2009/09/090915202150.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/2009/10/091019163025.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/2009/09/090923105631.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/2009/10/091019122639.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/2009/10/091015133117.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/2009/10/091016162245.htm Phoning while driving and texting behind the wheel are in the news. This is the highway safety issue of the moment, the subject of cartoons and, on a more serious side, the focus of legislation. A key question is whether such laws succeed in changing patterns of driver cellphone use. Sat, 17 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091016162245.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/2009/10/091006104502.htm Researchers have developed an actuator that runs on ultra-low power and that is watertight. This innovative combination of characteristics makes the actuator especially suited for use in in-vivo biomedical applications, and, in general, for all applications that need to combine a long autonomy with small batteries. The prototype has an integrated micro-needle, which can be steered by the actuator. Wed, 14 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091006104502.htm http://www.sciencedaily.com/releases/2009/10/091013185154.htm Animals shelter officials housing lost pets that had been implanted with a microchip were able to find the owners in almost three out of four cases in a recently published national study. According to the research, the return-to-owner rate for cats was 20 times higher and for dogs 2.5 times higher for microchipped pets than were the rates of return for all stray cats and dogs that had entered the shelters.  Wed, 14 Oct 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091013185154.htm http://www.sciencedaily.com/releases/2009/07/090706090557.htm From the motion sensor to the computer chip, in many products of daily life components are used whose functioning is based on smallest structures of the size of thousandths -- or even millionths -- of millimeters. These micro and nano structures must be manufactured and assembled with the highest precision so that in the end, the overall system will function smoothly. Scientists have now developed a metrological scanning probe microscope into a micro and nano coordinate measuring instrument. This now allows dimensional quantities with nanometer resolution also to be measured on three-dimensional objects in an extraordinarily large measurement range of 25 mm x 25 mm x 5 mm. Tue, 13 Oct 2009 23:00:00 EDT http://www.sciencedaily.com/releases/2009/07/090706090557.htm http://www.sciencedaily.com/releases/2009/10/091007091750.htm A new method enables calibrating entire waveforms -- graphical shapes showing how electrical signals vary over time -- rather than just parts of waveforms as is current practice. The new method improves the accuracy of common test instruments used in communications and electronics. Tue, 13 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091007091750.htm http://www.sciencedaily.com/releases/2009/10/091007091748.htm Government agencies and other organizations planning to use WiMAX -- Worldwide Interoperability for Microwave Access -- networks can get technical advice on improving the security of their systems from a draft computer security guide prepared by NIST. Fri, 09 Oct 2009 02:00:00 EDT http://www.sciencedaily.com/releases/2009/10/091007091748.htm http://www.sciencedaily.com/releases/2009/09/090930102719.htm The SeCSE (pronounced sexy) project seeks to develop a platform capable of delivering on the promise of service-centric software engineering. It is a new computing paradigm that can mix and match services to create powerful applications, and the service elements can be reused, or updated individually. Wed, 30 Sep 2009 00:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090930102719.htm http://www.sciencedaily.com/releases/2009/09/090928201849.htm Just as people plug in to computers, smart phones and electric outlets to communicate, electric fish communicate by quickly plugging special channels into their cells to generate electrical impulses, researchers have discovered. Tue, 29 Sep 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090928201849.htm http://www.sciencedaily.com/releases/2009/09/090927130032.htm In the never-ending battle to protect computer networks from intruders, researchers are working with security experts to develop a new defense modeled after one of nature's hardiest creatures -- the ant. Mon, 28 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090927130032.htm http://www.sciencedaily.com/releases/2009/09/090924093345.htm Your smart phone may soon be able to know not only that you're at the mall, but whether you're in the jewelry store or the shoe store. Mon, 28 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090924093345.htm http://www.sciencedaily.com/releases/2009/09/090921092142.htm A study shows that mobile microbloggers struggle hard is to make postings interesting enough to keep audience coming back and commenting. The analysis shows that microbloggers sometimes put in teasers to postings and highlight interesting aspects of their everyday experiences, inviting others to comment. Mon, 28 Sep 2009 08:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090921092142.htm http://www.sciencedaily.com/releases/2009/09/090921075511.htm Photonic devices promise advances in applications ranging from computing to high-speed communication. Thu, 24 Sep 2009 11:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090921075511.htm http://www.sciencedaily.com/releases/2009/09/090922123931.htm Understanding precisely how fluid boils in tiny "microchannels" has led to formulas and models that will help engineers design systems to cool high-power electronics in electric and hybrid cars, aircraft, computers and other devices. Wed, 23 Sep 2009 14:00:00 EDT http://www.sciencedaily.com/releases/2009/09/090922123931.htm http://www.sciencedaily.com/releases/2009/09/090918100012.htm Korean computer scientists have developed a security policy specification for home networks that could make us more secure from cyber attack in our homes. 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