Articles tagged with Computers
A woman with tetraplegia has controlled a computer cursor accurately for over 1,000 days using the BrainGate neural interface system. The system, which decodes brain signals to translate them into digital instructions, has shown promising results in enabling people with paralysis to control external devices.
The North Carolina State University Engineering Entrepreneurs Program (EEP) has been successful in producing results, with alumni 73% more likely to start a new company and 23% more likely to create new products and services. The program focuses on learning by doing, encouraging students to form their own start-up companies and develop...
A study found that people who are dissatisfied with their appearance spend more time looking at ideal body images when the editorial content is about body improvement, compared to general interest articles. People satisfied with their bodies don't feel the need to avoid or seek inspiration from these images.
A Concordia researcher has developed a highly effective computer program to age photographic images of people's faces, improving the accuracy of age-estimation for missing-child investigations and national security. The technique combines active appearance models and support vector regression to predict future facial appearance.
Steve Plimpton's development of LAMMPS molecular-dynamics software has led to over 65,000 downloads and 1,000 journal articles citing the code. The open-source software can model materials at various scales, from atomic to macroscopic systems.
Researchers at MIT propose an experiment using a large number of photons and beam splitters to calculate complex distributions. The challenge lies in simulating the sampling process, which is currently computationally intractable.
Researchers have developed a method to create pristine sheets of graphene from regular table sugar, offering potential for lighter, faster and cheaper computer electronics. The technique allows for control over the film's thickness and opens up possibilities for doped graphene applications in various fields.
Two projects will test BCI technology in patients with spinal cord injuries, allowing them to control computer cursors and prosthetic limbs using their thoughts. The projects aim to gain a better understanding of how to train and motivate patients who will benefit from BCI technology.
The US Secret Service is now using a virtual training environment called Virtual Tiny Town to prepare agents for real-life incidents. The new platform combines gaming technology and 3D modeling to simulate site security plans, allowing students to practice responding to scenarios such as chemical releases and suicide bombers.
Researchers at University of Washington develop tiny, battery-powered implantable devices that bridge impaired nerve connections and promote brain recovery from injury or disease. The devices can record nerve cell activity, process it, and stimulate cells in another brain region.
Researchers at Carnegie Mellon University have developed a framework called CrowdForge that breaks down complex tasks into simple, independent micro-tasks. The study found crowdsourced articles rated higher in quality and had lower variability compared to individual-authored articles.
Scientists have created a new system that uses two video cameras and advanced computer software to study ocean waves in real-time. The technology can help explain the dynamics of near-shore waves and provide accurate insights into coastal erosion.
A new system developed by researchers at North Carolina State University utilizes hardware and software advances to restore an operating system if it is attacked. The system includes attack detection, security fault isolation, and recovery mechanisms to prevent attackers from gaining control of the OS.
Researchers at NIST have developed a reliable source of single photons that can be manipulated into specific quantum states, addressing one of the key challenges to creating practical quantum computers. The team's design allows for the creation of multiple individual photons with distinct wavelengths from a single source.
Researchers developed a computer algorithm that analyzes viewing angle and illumination to generate a 3D view of a face from a 2D image. This technology can be used for identity management, information protection, and homeland security, reducing false identification.
A recent study published in Psychological Science found that people's predictions of apology value are often inaccurate. The researchers used an experiment to test how individuals perceive apologies and discovered that those who imagined receiving an apology valued it more than those who actually received one.
A study has demonstrated the safety and feasibility of using a magnetic maneuverable capsule to visualize the gastric mucosa in healthy volunteers. The capsule was well-tolerated and provided excellent visualization of the stomach lining, with 75% of the gastric mucosa visualized in most subjects.
Researchers develop an online game, EteRNA, that uses crowdsourcing and game play to design and validate molecules of RNA. The game is integrated with Facebook and scores players based on how well their virtual designs can be rendered as physical molecules.
A new study finds that spending more than two hours a day on screen-based entertainment increases the risk of heart disease and premature death. Metabolic factors and inflammation may partly explain the link between prolonged sitting and cardiovascular events.
The Berkeley Lab will work with China to implement energy-efficient practices, such as turning computers around and reducing mechanical cooling. By sharing best practices and case studies, the goal is to reduce carbon emissions and improve the industry's energy performance.
Aaron Hertzmann, a professor at the University of Toronto's Department of Computer Science, has received the 2010 Steacie Prize for his exceptional contributions to computer graphics and machine learning research. His work focuses on applying machine-learning techniques to resolve complex problems in computer graphics.
Researchers found that liberals consistently move their attention in response to gaze cues, while conservatives do not. This suggests that liberals tend to be more responsive to others and are influenced by social interaction, whereas conservatives value personal autonomy and are less likely to be swayed by external cues.
A team of UCSF researchers has engineered E. coli with the key molecular circuitry that enables genetic engineers to program cells to communicate and perform computations. This system can be harnessed to turn cells into miniature computers, enabling intricate functions for various purposes such as agriculture and pharmaceuticals.
A recent report by the Association for Computing Machinery and the Computer Science Teachers Association found that US K-12 computer science education is scant in most classrooms. Most schools focus on teaching students how to use a computer, but neglect to teach deeper concepts such as computational problem-solving.
Research found that people are more likely to cheat and make immoral decisions when it requires minimal action. Participants were more willing to help others when they had to explicitly choose 'yes' or 'no', whereas passive requests led to lower rates of volunteering.
Researchers have simulated the merger of two black holes with vastly different sizes, achieving a 100:1 mass ratio for the first time. This breakthrough allows for more realistic astrophysical scenarios and prediction of observational effects.
Dr. Michael Wagner's research explores the use of identical rhymes in poetry to understand how languages use emphasis and prosody. The study reveals a systematic difference between French and English speakers' evaluation of poetry, which can help improve computer programmers' production of realistic speech.
The American College of Medical Informatics (ACMI) has inducted eight new Fellows, who have made substantial and sustained contributions to the field of medical informatics. The incoming ACMI President, Jim Cimino, welcomed the new Fellows, praising their expertise in clinical practice, medical research, education, and patient care.
A study of 38 patients who underwent primary or revision rhinoplasty found that computer imaging was moderately accurate in predicting the final result. Patients valued its inclusion in the preoperative consultation, citing improved communication with surgeons and better understanding of the surgery. The accuracy of the images varied b...
Researchers have discovered a way to correct for errors in quantum computers, allowing them to work with a quarter of faulty or missing qubits. The findings bring scientists one step closer to designing and building real-life quantum computing systems that could revolutionize fields like drug design and code-breaking.
A study found significant variation in medical center performance of traditional central line-associated BSI surveillance. The researchers discovered that different institutions use varying criteria for surveillance, leading to inconsistent rates and rankings.
The DARPA Ubiquitous High Performance Computing (UHPC) initiative aims to revolutionize computing power and energy efficiency. Georgia Tech researchers are supporting key components of the $100M challenge, developing new approaches and technologies to redefine the future of computing. The goal is to make computing systems more reliable...
Research from Vanderbilt University found that expert typists' hands can detect errors even when their conscious brain is unaware of them. In experiments, skilled typists were fooled by computer programs inserting or correcting errors, but their fingers slowed down only after making real mistakes.
A study funded by NIH shows that participants can force a computer to display one image and discard another using only their thoughts. The research used brain-computer interfaces (BCIs) to understand how the brain processes information, particularly attention and decision-making.
Researchers demonstrate that individuals can intentionally alter the firing rate of specific neurons in the brain, increasing some while decreasing others. This control is achieved through focusing thoughts on particular images displayed on a computer screen.
A new algorithm by Carnegie Mellon researchers can efficiently solve systems of linear equations, a crucial problem in computer applications like image processing and logistics. The algorithm applies to symmetric diagonally dominant (SDD) systems, outperforming existing methods by billion-fold speedup.
University of Granada researchers have developed a new computer technique that allows for the automatic classification of images and videos based on the presence of individuals or specific objects. The technique also enables the estimation and recognition of human poses and detection of human actions such as walking, jumping, bending d...
Researchers successfully achieved 'tunneling spin injection' into graphene, increasing efficiency and enabling longer spin lifetimes. This breakthrough enables the development of a 'spin computer' with potential for faster and more energy-efficient computing.
A new study using brain imaging revealed how people learn from their competitors' successes and failures. The research found that players experienced neural activity in response to their competitor's unexpected failures, suggesting they learned to inhibit the actions leading to those failures.
A study of over 1,000 children found that excessive screen time is related to higher psychological difficulty scores, regardless of physical activity. Children who spent more than two hours per day on screens had better psychological scores, while those with moderate physical activity fared better in certain areas but worse in others.
Researchers have developed electromechanical switches that can withstand twice the heat as transistors, enabling computers to operate in extreme temperatures. The switches, made from silicon carbide and nanotechnology, perform better than transistors at high temperatures and have no discernible leakage.
Australian blind computer programmers James Teh and Michael Curran developed NVDA, a synthetic voice program that reads computer screen words as the cursor moves. The free software has been downloaded over 50,000 times and is available in 27 languages.
A Yale team has achieved the entanglement of three solid-state qubits for the first time, paving the way for quantum error correction and future quantum computing. The accomplishment builds on their previous development of a rudimentary solid-state quantum processor.
Researchers at the University of Bristol have developed a silicon chip that uses two identical photons to perform complex calculations and simulations, paving the way for a new type of quantum computer. The device has the potential to solve problems that are currently beyond the capabilities of conventional computers.
Researchers at Princeton University have developed 3D computer simulations of supernovae explosions, providing new insights into the universe. The simulations match massive blow-outs observed by astronomers and may lead to a better understanding of the physics involved.
The COGNITO project, led by the University of Bristol, aims to develop computer systems that can understand and predict human behavior and activity. By using on-body sensor networks and advanced computer vision algorithms, researchers hope to create systems that can assist people in skilled assembly and manipulation tasks.
Researchers create pressure-sensitive electronic material using semiconductor nanowires, enabling robots to grip fragile objects. The 'e-skin' technology also holds promise for restoring sense of touch in patients with prosthetic limbs.
A simplified clinical tool has led to the reclassification of millions of Americans into different risk groups, potentially affecting their treatment. The study found that 15% of adults were reclassified, with 10% moving to higher-risk groups and 5% to lower-risk groups, leading to potential over-treatment or under-treatment.
A new method devised by Carnegie Mellon researchers enables computers to gain a deeper understanding of an image by reasoning about physical constraints. The method uses virtual blocks to build a three-dimensional approximation of the scene, improving accuracy in estimating layout and surface details.
A Spanish research team has created a system that measures human physiological parameters and uses them to control virtual character behavior in real-time. The goal is to create a more immersive experience by tapping into the unconscious mind.
A study published in Atmospheric Environment found toxic elements in e-waste recycling emissions in southern China, posing health risks to workers and the environment. The research team identified carcinogens and persistent organic pollutants through mass spectrometry and other instrumentation.
Colin B. Macdonald received the 2010 Richard C. DiPrima Prize for his work on the Closest Point Method, advancing biology, materials science, and computer graphics applications.
A team of experts is proposing a new approach to deal with the variability in behavior of nano-scale computer components by re-thinking and enhancing the role that software can play. The National Science Foundation has awarded a $10 million grant to explore 'Variability-Aware Software for Efficient Computing with Nanoscale Devices.'
Researchers at Purdue University have developed a new approach to overcome the fundamental limitation of metamaterials, which could enable breakthroughs in transformation optics. By placing dye between two layers of silver, they were able to amplify light and reduce absorption, promising applications such as ultra-powerful microscopes,...
A new study reveals that Foldit players have successfully solved protein-folding problems that are too difficult for supercomputers, using intuitive leaps and strategic thinking. The game has shown promise in tackling medical challenges, such as designing proteins to combat diseases like the flu and HIV.
A new study found that getting angry may actually hurt one's cause in negotiations with East Asians, unlike in negotiations with European Americans. Cultural norms about expressing anger play a critical role in shaping reactions to emotional displays.
The NASA GOES Project provides continually updating 'movies' of satellite imagery for Hurricane Alley, allowing on-line viewing on iPhone and iPad. The latest large-scale movie can be accessed at http://goes.gsfc.nasa.gov/goescolor/goeseast/hurricane2/movie/alley_east_conus.mp4.
Multimedia talking touchscreens are helping researchers and clinicians improve communication, knowledge, and adherence to treatment for patients with diverse language skills. The technology provides a more private and accessible way for patients to complete questionnaires and access health information.
The Argonne Leadership Computing Facility has reached two billion processor-hours of computations, accelerating research in weeks or months. The ALCF is home to the IBM Blue Gene/P Intrepid, one of the fastest supercomputers in the world for open science.
The Iowa State researcher's 3D imaging technology has been used by Rock stars like U2 and featured in Radiohead's music video. The technology requires less data and memory than current tools, making it practical for the entertainment industry.