Articles tagged with Computers
Researchers have created a computer using an array of VCSELs that leverages optical feedback to efficiently solve complex optimization problems. The system encodes information in linear polarization states, minimizing interactions between variables and overcoming the von Neumann bottleneck.
A new AI-powered system has been shown to detect 40% more polyps during colonoscopies, a crucial step in preventing colorectal cancer. This breakthrough technology uses artificial intelligence to examine every pixel in the image and alert doctors to potential issues, allowing for more accurate diagnoses.
Gossiping provides a social benefit by disseminating information about people's reputations, helping recipients connect with cooperative individuals while avoiding selfish ones. This allows gossipers to gain an evolutionary advantage as their actions influence others' behavior and encourage cooperation.
Scientists use a special microscope to break up the bond between electrons and holes in semiconductors, revealing that hole interactions determine charge transfer processes. The findings have implications for future computer and photovoltaic technologies.
A new study funded by NIHR has led to the UK government approving digital pathology for cancer screening samples. This technology enables faster reporting and improved care for patients with bowel, breast, lung, and cervical cancers. The use of digital pathology will help reduce risk of sample loss or damage and allow pathologists to r...
Incheon National University researchers developed a web 3.0 streaming architecture that reduces delay, improves user experience, and ensures transparency and fairness for real-time services. The proposed system uses Inter-Planetary file system (IPFS) to enable blockchain-based peer-to-peer data storage and caching.
Researchers outline new method to stabilize bulk hafnia in metastable ferroelectric and antiferroelectric states, paving the way for non-volatile memory technology. The approach requires less yttrium, improving material quality and purity.
FAU Engineering has received a $2.6 million NSF grant to establish a CyberCorps student scholarship program, increasing the nation's cybersecurity workforce. The program provides full scholarships and stipends to students pursuing studies in cybersecurity and AI.
Research found mobile phone users process information faster but are more likely to fall for misinformation compared to personal computers. PC users, however, are more susceptible to phishing attempts, highlighting the importance of device-specific responses.
Entanglement is crucial for quantum computing, and researchers have proposed a condition to maximize it. The study, published in Physical Review B, uses the Hellmann-Feynman theorem as a reference point to explore finite temperature and quantum critical points.
A computer vision system developed by University of Malaga engineers estimates vehicle speeds in real time using a single camera, reducing complexity and costs. The algorithm, published in Neurocomputing, aims to improve vehicle safety and has potential applications in autonomous driving and driver assistance.
Research shows that Australian children are at risk of excessive weight gain and declining fitness during school holidays. The two-year study found that body fat increased at a faster pace and aerobic fitness declined faster than in-school periods. Promoting physical activities during holidays could help address unhealthy weight gain.
Dr. Ning Zhang's AntiFake tool uses adversarial techniques to make it difficult for AI tools to read voice recordings, preventing synthesis of deceptive speech. The tool has achieved over 95% protection rate against state-of-the-art speech synthesizers and is accessible to diverse populations.
The University of Central Florida has been awarded $50,000 each by the NASA Minority University Research and Education Project Partnership Annual Notification (MPLAN) awards. The research focuses on developing wireless multimodal sensors and studying sustainable aviation fuels to reduce environmental impact.
Scientists from Max Planck Institute have developed an open-source supercomputer algorithm to solve complex mathematical equations of active matter theory. This enables the study of biological materials' patterning and dynamics in space and time.
A novel robotic system developed by USC researchers can help clinicians accurately assess a patient's rehabilitation progress. The method generates an 'arm nonuse' metric using machine learning and a socially assistive robot to track how much a patient is using their weaker arm spontaneously.
A team of researchers from Northwestern University and the University of Pittsburgh has received a $600K NSF Award to explore novel learning-enabled cyber-physical systems (LE-CPSs) for building flexibility into hardware. This could lead to extended device lifespan, reduced e-waste, and improved sustainability.
A new study using twisted magnets as computational medium has made brain-inspired computing more adaptable, reducing energy use and potential carbon emissions. The research found that by applying magnetic fields and changing temperature, physical properties of the materials can be adapted to suit different machine-learning tasks.
A team of researchers from Pitt and Notre Dame have received a $2 million NSF grant to develop 'chiplets' - refurbished integrated chips that can be reused in new products, reducing manufacturing waste and emissions. The project aims to create a more sustainable computing lifecycle by mapping the reuse of decommissioned FPGAs.
A new study by the University of Notre Dame found that viewers tend to tip less and chat more when they see others receiving higher tips, leading to a 'crowding-out' effect. This behavior is driven by the pursuit of social status and can be mitigated by splitting crowded livestreams into smaller virtual sessions.
A new MU study shows that high school students who attended college-run STEM Career Days were far more likely to have STEM-related career aspirations than those who did not attend. The study highlights the benefits of introducing high school students to STEM opportunities and can help increase diversity in the STEM workforce.
A new study found that people's reported media preferences often don't match their actual news consumption, highlighting the need for more accurate measurement. The researchers also discovered that those with divergent media preferences tend to visit similar online news outlets, challenging common assumptions about media polarization.
A study using QUBO approach simulates dense polymer mixtures with significantly improved performance on both quantum and conventional computers. This breakthrough enables researchers to discover surprising properties of simulated polymer systems.
A study by Nagoya University found that children with a genetic predisposition to autism spectrum disorder (ASD) used screens for longer periods. Children with attention deficit hyperactivity disorder (ADHD) also increased their screen time as they grew older, suggesting a potential link between genetic risk and excessive screen use.
Researchers developed a new method to estimate gradients and derivatives on quantum computers, enabling faster computations. This technique can be applied to various fields such as cryptography, optimization, and materials science.
A team of researchers has made the first demonstrations of identifying and removing 'erasure' errors in quantum computing systems. By pinpointing and correcting for these mistakes, they can improve the overall rate of entanglement, or fidelity, in Rydberg neutral atom arrays.
By increasing skyrmion diffusion, researchers have made a significant step towards developing spin-based, unconventional computing. The use of synthetic antiferromagnets has reduced energy consumption and increased speed, making it possible to create more efficient computers.
A soft ball designed to support mental health has been invented, giving users a tangible representation of their breath to regulate emotions. The device, called PAWS, shows significant improvement in reducing anxiety and increasing protection against worry-induced thoughts, with an average 75% reduction in anxiety.
A new method can detect drivers' attention levels from their eye movements, enabling the development of more effective takeover signals. The study found that drivers who are engrossed in on-screen activities take longer to respond to warnings, highlighting a potential safety concern.
Researchers at Pohang University of Science & Technology have developed a sensor technology called computer vision-based optical strain (CVOS) that enhances durability and streamlines fabrication processes. This breakthrough enables the precise recognition of intricate bodily motions through a single sensor.
Researchers at UCSF and UC Berkeley have developed a brain-computer interface (BCI) that allows a woman with severe paralysis from a brainstem stroke to speak through a digital avatar. The system can decode brain signals into text at nearly 80 words per minute, making it a vast improvement over commercially available technology.
A Cochrane review of 17 randomised controlled trials found that blue-light filtering spectacles may not reduce visual fatigue associated with computer use and do not improve sleep quality. The evidence is also unclear on their effects on retinal health.
Theoretical physicists at Los Alamos National Laboratory have developed a new quantum computing paradigm that uses natural quantum interactions to process real-world problems faster than classical computers. The approach eliminates many challenging requirements for quantum hardware.
A recent study found that employees tend to be less productive in the afternoons, especially on Fridays, with increased typing errors and reduced computer activity. Flexible work arrangements like hybrid work or a four-day week may help mitigate this decline in productivity.
A study published in Computer in Human Behavior found that people experience emotions and perceive intentions when viewing computer-generated artworks. Participants rated human-made art more positively than AI-generated art, even if they were told the latter was created by a person.
Researchers at Tohoku University have developed a new cipher system called SCARF, which enhances computer security by protecting against cache side-channel attacks. The innovative system offers exceptional performance and can complete randomization with only half the latency of existing techniques.
A new study highlights the key problem with how computer security guidelines are created, citing complexity and lack of prioritization as major issues. Researchers recommend curating information and using clear messaging to make guidelines more accessible and user-friendly.
Researchers have made breakthroughs in two areas of computing: improving current semiconductor technology and developing new neuromorphic devices that think like the human brain. These advancements aim to increase efficiency, power, and processing capabilities for future technological leaps.
Lero is recruiting 16 top international post-doctoral researchers for a €2.9 million fellowship program focusing on privacy, trust, inclusion and fairness in software expertise. The program will provide discipline-specific skills training and enhance career development.
A groundbreaking study using ArchCUT3-D software analyzes ancient rock engravings, uncovering unique techniques and production procedures. The research sheds light on the craftsmanship, artistic expression, and cultural context of ancient cultures.
A new study from the University of Copenhagen and Roskilde University found that computers malfunction between 11 and 20 percent of the time, wasting users' productivity. The researchers identify insufficient performance and lack of user-friendliness as the two biggest categories of problems.
Researchers from the University of Rochester have made an important step toward developing computers advanced enough to simulate complex natural phenomena at the quantum level. They developed a new chip-scale optical quantum simulation system that could help make such a system feasible, using photonics-based synthetic dimensions.
Optical memristors have the potential to transform high-bandwidth neuromorphic computing, machine learning hardware, and artificial intelligence. However, scalability is a significant challenge that needs to be addressed to unlock their full potential.
Researchers at USC Viterbi School of Engineering achieved a quantum speedup advantage in a bitstring guessing game, managing strings up to 26 bits long by suppressing errors. The study demonstrates that with proper error control, quantum computers can execute complete algorithms with better scaling, even in the NISQ era.
DragGAN enables non-professionals to perform complex image edits with AI support, adjusting pose, gaze direction, and viewing angle. The method uses Generative Adversarial Networks to generate new images, promising simplified post-processing for AI-generated content.
A new study reveals that defence lawyers struggle to access and review digital evidence, citing limitations in format, presentation, and availability. This can lead to missed information and increased risk of miscarriages of justice.
A nationwide VR research project is working to create diverse groups of participants to reflect real-world social dynamics. The Virtual Experience Research Accelerator (VERA) aims to provide researchers with access to large, reliable, and diverse groups for various VR research projects.
A new UH study reveals that third-grade girls are initially enthusiastic about coding and computer science, with equal interest and confidence as boys. However, by middle school age, negative stereotypes and a decrease in confidence among girls become prevalent, limiting their participation in these fields.
An AI developed at TU Wien has shown to suggest appropriate treatment steps in cases of blood poisoning, outperforming human decisions. The AI can examine time-varying patient conditions and calculate treatment strategies, increasing cure rates by up to 3%. However, legal aspects and liability need discussion.
Researchers demonstrate probabilistic computing's capabilities by simulating networks of stochastic nanodevices to solve specific NP problems. The simulations agree with theoretical solutions, indicating the potential for scaling up this approach.
The University of Central Florida has developed the Virtual Experience Research Accelerator (VERA), a large-scale system for extended reality human subjects research. This project aims to facilitate human subjects research and improve extended reality technologies, making them more inclusive for underrepresented groups.
A team of researchers from University of Missouri and University of Nebraska-Omaha are working on a three-year, $1.6 million grant to make open-source software tools more accessible and understandable to a wider range of people and tech companies. The project aims to identify what OSS projects are good to invest in for commercialization.
A new system called ViPER+ uses ultra-wideband technology to track workers' locations on job sites, enhancing safety by detecting violations of location-based policies. The system was tested in two construction zones with students playing the roles of workers and vehicles, demonstrating its accuracy in non-line of sight situations.
Researchers at Chalmers University have successfully used a quantum computer to calculate the intrinsic energy of small molecules, demonstrating a new method called Reference-State Error Mitigation. This breakthrough has the potential to advance the boundaries of chemical calculations and simulate complex chemical processes.
Researchers successfully applied reinforcement learning to protein design, creating proteins with improved antibody generation and accurate nano-structures. The approach may lead to more potent vaccines and novel applications in regenerative medicine.
Researchers found that primary school children spend more time on screens, exercise less, and eat unhealthy food during the holidays. Adding structure to their days with regular activities and limited screen time can encourage healthier behaviours.
Researchers propose a 'state space' approach to reframe farming planning questions, enabling analytics and machine learning to explore optimal crop combinations and simulate different scenarios. This framework allows farmers to design diverse agricultural landscapes based on natural ecosystems, increasing crop yield and sustainability.
Researchers at Argonne National Laboratory and University of Chicago developed a hybrid simulation process using IBM quantum computers to solve electronic structure problems. The new method uses classical processing to mitigate noise generated by the quantum computer, paving the way for future improvements.
Researchers developed a high-speed prediction model combining physical simulations and machine learning, achieving high accuracy without compromising computation time. The technology uses correspondence between input physical conditions and abstract data space handled by machine learning algorithms.
A recent project at KAUST has reported multifunctional logic gates that offer users a range of hardware security advantages, including tamper protection and watermarking. The gates use spintronic devices called magnetic tunnel junctions, which can be easily switchable and obscure their layout, making them hard to reverse engineer.