Articles tagged with Computers
University of Utah engineers created a computer-controlled hand and arm support to aid precision tasks with less fatigue. The Active Handrest allows users to maintain control while sensing tool position or force, increasing precision in tasks like surgery, painting, and electronics repair.
Researchers at Purdue University have developed a miniature device capable of converting ultrafast laser pulses into bursts of radio-frequency signals. This technology has the potential to enable all communications to be transmitted from a single base station, making wires obsolete. The approach uses microring resonators to filter out ...
Teenagers who spend more time watching TV or using computers are more likely to report low attachment to parents and peers. Conversely, reading and homework are associated with a higher level of attachment to parents.
A recent study found that thousands of North American homes with peer-to-peer file-sharing software are vulnerable to data breaches, putting sensitive health information at risk. The study reveals that even simple search terms can expose private files containing personal and financial data.
Visual Analytics enables users to evaluate data more accurately by highlighting patterns and connections that may be overlooked, ultimately leading to reliable decision-making. The technology has significant potential for the financial market, allowing trends and risks to be identified quickly.
Researchers have determined the relationship between brain waves and attention using a brain-computer interface device. High-frequency beta oscillations are linked to anticipation of oncoming information, while slower delta oscillations act as an internal metronome to fine-tune attention.
The United Nations University has released a report highlighting the growing e-waste problem in developing countries, with sales of electronic products forecasted to rise sharply over the next decade. If left unaddressed, this could lead to hazardous waste mountains with serious consequences for the environment and public health.
Researchers at Georgia Tech are testing a mobile phone system called EatWell to encourage healthy eating habits. The system uses audio stories to connect community members and promote peer support, with surprising results showing that participants felt a sense of community despite limited interaction.
Researchers at the University of Washington studied brain signals in eight patients awaiting epilepsy surgery, finding that imagined movements can strengthen brain activity. After less than 10 minutes of practice, brain signals from imagined movement became significantly stronger than when actually performing the physical motion.
A team of mathematicians from Complutense University of Madrid develops a computer application to estimate the magnitude of natural disasters, providing useful information for NGOs. They also present an on-site humanitarian aid distribution model that could have been applied in the recent Haiti earthquake.
The MilkyWay@Home project uses volunteer computers from around the world to study dwarf galaxy movements and provide new details on dark matter. The project, which began in 2006, has surpassed one petaflop of computing speed and is the fastest computing project on the BOINC platform.
Researchers found that touch typing training significantly improved keyboarding speed in RA workers, regardless of impairment. However, impairments in hand function were associated with reduced mouse speeds, highlighting the need for effective strategies to maintain productivity in computer users with RA.
Researchers developed a computer program that accurately measures the meniscus in radiology images, providing potential biomarkers for osteoarthritis. The program's automated measurements are as reliable or more reliable than human interpretations, completing tasks in minutes rather than hours.
Researchers at Cornell University developed a method to control crystal growth, enabling the creation of smooth crystalline films. These films are crucial for producing defect-free semiconductors, a key component in modern computers and cell phones.
A European research team has created a method for locating plastic anti-personnel mines by analyzing temperature variations in the ground. The new system generates 3D thermal maps, reducing calculations by 34 times compared to other systems.
A new study found that university students who use interactive animations in their studies retain a better understanding of scientific concepts than those who don't. The animations, which can be manipulated to adjust real-world variables, demonstrate complex physics phenomena such as precipitation formation.
A new system, MultiLearn, allows up to four students to share a single computer for interactive math problems, effectively quadrupling the number of computers available. Early tests show that elementary school students are able to work independently on their own pace without distraction.
A new University of Pittsburgh study reveals that cigarette craving disrupts an individual's meta-awareness, making it harder to notice when the mind has wandered. Participants who craved cigarettes were more likely to acknowledge mind-wandering episodes, but their ability to recognize these episodes was impaired.
Researchers used electrocorticography (ECoG) to record brain activity and found that patients could type alphanumeric characters on a screen by focusing on specific letters. The technique showed promise for people with disorders like Lou Gehrig's disease and spinal cord injuries.
The article emphasizes the need for a more methodologically robust approach to evaluating eHealth systems. Researchers must recognize the importance of combined quantitative and qualitative work when assessing IT systems.
Researchers at MIT have developed a new technology that can convert waste heat into electricity with an efficiency of up to 90% of the Carnot Limit. This could lead to significant improvements in energy efficiency, such as double the talk time on cellphones and longer laptop battery life.
The University of Tennessee supercomputer Kraken has been ranked as the world's third fastest computer and holds the title of the world's fastest academic supercomputer. With its combined computing power with Oak Ridge National Laboratory's Jaguar, East Tennessee is now firmly established as a center for supercomputing activities.
Research by Temple University's Judith Gold suggests that excessive texting among college students can lead to neck and shoulder pain, a condition typically associated with prolonged computer use. The study uses infrared cameras and motion analysis to track the body's position during texting simulations.
Rutgers computer scientists are developing a new approach to strengthen online security by asking users activity-based personal questions, making it harder for intruders to guess answers. Early studies suggest these questions related to recent activities are more robust than traditional security questions.
A Rice University lab has discovered over 2.7 million possible structures for molecular sieves, also known as zeolites, which have potential applications in industries such as gasoline production and laundry detergents.
Researchers at the University of Utah developed three new iPhone apps to help scientists, students, and doctors study human anatomy and analyze medical images. AnatomyLab allows users to dissect a cadaver in 40 layers, while ImageVis3D Mobile enables interactive 3-D visualization of large data sets.
Researchers at Duke University discovered that some bacteria exhibit bistability, allowing individual cells to respond differently to external commands. This phenomenon enhances the efficiency of synthetic circuits, which could produce proteins, chemicals, or deliver targeted drugs.
Researchers found a 17.4% contamination rate of S. aureus on computer stations, with lower rates for MRSA and A. baumannii. The study suggests that routine disinfection and surveillance may not be necessary in non-outbreak settings.
Researchers at Yale University have observed and tracked E. coli bacteria moving in a liquid medium with a motion similar to a kayak paddle. The study, published in Physical Review Letters, provides new insights into bacterial movement and may lead to breakthroughs in preventing bacterial migration and sickness.
A new study by University of Washington professor Virginia Berninger found that children can write more and faster with a pen than a keyboard for essay composition. Children consistently produced longer essays and composed them at a faster pace when using a pen.
Experts advocate standardizing recycling technologies and government policies worldwide to extend product life, recover valuable metals, and reduce CO2 emissions. The initiative could transform millions of old devices into functional units, reducing e-waste and promoting sustainable consumption.
The global e-waste problem requires harmonization of disposal and recycling standards across national borders to effectively address the issue. The use of outdated electronic devices poses significant risks to human health and the environment, with 20-50 million tonnes of e-waste generated annually.
Professor Christian Wetzel is working to develop efficient green LEDs to bridge the gap in color technology. His goal is to produce true white LEDs and enable widespread adoption of energy-efficient lighting solutions.
A study found that at least 85% of computers imported into Peru are reused, rather than going directly into recycling. The US is the source of up to 76% of used computers imported to Peru, challenging the widespread belief that e-waste is mainly about dumping unusable junk.
Researchers at Purdue University have developed a new design program called FEAsy that analyzes designs from raw sketches to speed up parts creation. The program uses finite-element analysis to test designs in the sketching stage, allowing for faster improvements and changes.
The National Science Foundation has awarded a grant to develop GenoCAD, a web-based Computer Assisted Design environment for synthetic biology. The platform allows users to design complex DNA sequences in minutes and will support teams of undergraduate students enrolled in iGEM.
Rice University will lead a multi-university Center for Domain-Specific Computing with UCLA, Ohio State, and UC Santa Barbara to develop high-performance computing for medical imaging. The project aims to create energy-efficient, cost-effective solutions for preventive, diagnostic, and therapeutic procedures.
Researchers develop algorithms that allow end users to ask computers why they made mistakes, read their responses, and explain why those were errors. This 'meaningful' interaction enables computers to customize themselves to users and perform better in the future.
Researchers at Ben-Gurion University of the Negev are developing new computer algorithms to aid historical document research globally. The project combines humanities and computer science expertise to advance scholarship in Jewish liturgical texts and Arabic historical texts.
Researchers at UCLA Engineering will create customized computing technology for health care and medical imaging, promising more energy-efficient and cost-effective solutions. The project aims to transform the role of medical imaging and hemodynamic simulation, improving health care quality, efficiency, and patient outcomes.
Dr. Scott Craver and his team are investigating detectors resistant to adversary algorithms, as well as audio, image, and video fingerprinting techniques that embed imperceptible labels.
The Department of Energy's Pacific Northwest National Laboratory has received over $5 million to advance climate research and analyze smart power grids. The new initiatives will provide vital funding and tools for researchers, integrating climate and power grid analyses to inform science-informed decisions.
A Tel Aviv University study found that employees' faith in their tools significantly outperforms on exams by about five points. The study suggests that managers can strengthen workers' belief in the utility of their tools to promote successful performance.
A recent study found a strong association between sedentary behaviors like TV viewing and screen time, and elevated blood pressure in children. The researchers discovered that the risk was present even after adjusting for age, sex, height, and percentage of body fat.
Researchers at the University of Cambridge and Birmingham have successfully created a new particle called spinon and holon when electrons are confined to narrow wires. This experiment has significant implications for the development of quantum computers, which could lead to a new computer revolution.
Dr. Julia Kempe is working on future programs to keep data safe from quantum hackers, who could crack encryption codes quickly with the power of quantum computers. She estimates that within the next decade, these new computers could be used for malevolent power if not properly protected.
Researchers created 'bacterial computers' that can solve complex mathematical problems, such as the Hamiltonian Path Problem and Burnt Pancake Problem. The innovation uses synthetic biology techniques to enable living cells to perform calculations, opening up new applications for biology and mathematics.
A rapid face recognition method has been developed that can accurately identify individuals despite disguises and varying lighting conditions. The new algorithm reduces computer power requirements without compromising accuracy, making it suitable for real-world applications such as border crossings and automated banking.
A new 12-month study, led by Beth Israel Deaconess Medical Center, will examine the effects of adding openness to traditionally one-sided elements of doctor-patient relationships. The project aims to improve patient recall, empower patients to take control of their care, and reduce medical errors.
A clinical trial shows that quadriplegics can operate a powered wheelchair using a tongue drive system, which detects movement of a magnetic tracer attached to the tongue. The system allows for intuitive control with minimal prior training, enabling users to play computer games and navigate obstacles with ease.
A new study from the University of Utah shows that microelectrodes can detect brain signals controlling arm movements without penetrating the brain. This technology may enable amputees and paralyzed individuals to control prosthetic limbs and computers using their thoughts.
Researchers, led by MU computer scientist Dmitry Korkin, are using machine learning and pattern recognition to identify protein binding sites in plants that match those of pathogens. This work may help improve soybean cultivars for disease resistance by accelerating discovery of resistance to the soybean cyst nematode.
Medical students practice breast exams on a mixed reality human, improving their technical abilities and empathy towards patients. The system allows for unscripted interactions, teaching students to build their database of experience and respond to patient concerns.
Researchers at Tel Aviv University have developed a computer game therapy that corrects brain activity to treat lazy eyes, showing promising results in vision research publications. The treatment is already FDA-approved for adults and aims to make eye therapy fun for kids as well.
A California Department of Education-funded project found that student achievement increased 27.5% with the use of technology to increase academic achievement in fourth-grade classrooms. Traditional print-based literacy is still important, but new technologies are also essential for students in the 21st century.
Researchers are redefining what constitutes literature with the rise of Japanese cell-phone novels, which demonstrate similar linguistic sophistication to traditional print novels. A study found that cell-phone novels are written at a lower reading level, sparking debate about their literary merit.
Researchers have discovered that female fans of Japanese animation are remaking male-centric anime videos into romantic versions, developing skills in storytelling and feminist critique.
The trend of open-source academic publishing is changing the way textbooks are created and distributed. As more authors self-publish their work, it raises essential questions about how to fairly compensate them for their time and effort.
A new clinical trial has begun at Massachusetts General Hospital to expand restorative neurotechnology research for patients with paralysis. The trial aims to harness brain signals to control assistive devices, such as computers and prosthetic limbs, for people with spinal cord injuries, ALS, or limb loss.
The BrainGate2 pilot clinical trial is taking place at Massachusetts General Hospital, extending prior safety and feasibility research of the BrainGate Neural Interface System. The trial aims to help patients with spinal cord injury, stroke, muscular dystrophy, ALS, or limb loss turn their thoughts into actions.