Articles tagged with Computers
Researchers at the University of Utah are developing a wireless version of the Utah Electrode Array, which will enable people with paralysis to control devices with their minds. The project aims to implant the device in the brains of blind individuals and paraplegics, allowing them to see, stand, and walk again.
A study found that people use different strategies to complete a jigsaw puzzle, which can increase competition and conflict when collaborating with others. The researchers identified two main approaches: 'border obsessives' who focus on completing the border first, and 'opportunistic' puzzlers who take a more creative approach.
Researchers found that laptop use increased left and right scrotal temperatures by 2.6°C and 2.8°C, respectively, potentially harming sperm production and fertility. The study suggests men consider limiting laptop use on their laps to prevent long-term reproductive health issues.
The study, led by Dr. Miguel Nicolelis, demonstrates the ability to distinguish patterns of brain activity in awake animals, including fleeting changes during sleep stages. The new analytical technique enables unprecedented insights into the healthy brain and neurological diseases like epilepsy and Alzheimer's.
Researchers developed a mathematical theory that describes the universal shape of stalactites, found in caves worldwide. The theory, based on fluid dynamics and geometry, reveals an ideal form underlying all stalactite shapes, with actual formations differing by less than 5%.
Professor Carsten Peterson and his team demonstrate how genes interact to produce stable systems, using the fruit fly as a model organism. They found that canalyzing rules, where one controlling gene activates another without affecting it, are present in almost 200 genetic networks in fruit flies.
A computer program reads CT scans and combines with radiologist's judgment to detect lung cancer, improving detection rates. The system analyzes size, texture, density, and change over time of nodules to determine cancer likelihood.
A statistical model was developed to automatically determine heart contours from X-ray images, reducing time and variability in observer interpretations. This technology has been incorporated into a commercial software application used by physicians and surgeons to improve diagnosis and treatment of heart conditions.
A new study found that computer-assisted standing orders for nurses resulted in significantly better adult immunization rates compared to traditional physician reminders. The study showed that 42% of patients in the standing order group received influenza vaccine, while only 30% in the physician reminder group did so.
Scientists have created a model that simulates how corrosion spreads through an alloy, inspired by the cracking of a brick wall. The research could help predict when preventive maintenance is needed for aircraft materials.
The study found that computer vignettes are more accurate than medical records in measuring physician performance, especially in assessing an individual doctor's strengths and weaknesses. Vignettes were shown to be effective in identifying areas of improvement for physicians within a clinic.
The LSU FACES Lab is building a comprehensive database of Louisiana's missing and unidentified persons. The project will utilize DNA information, dental structure, and other characteristics to identify individuals. The database will be searchable and will initially be accessible only to law enforcement agencies.
Researchers examined software tools designed to acquire information from PDAs, including deleted data and user passwords. The study aims to provide a comprehensive overview of the capabilities and limitations of these tools.
Researchers have developed a new system to improve heart defibrillation by targeting rogue electrical waves in arrhythmia. The device produces milder shocks, reducing the amount of energy required, which could lead to smaller, longer-lasting devices that spare patients from frequent replacements.
A study reveals that the apparent movement of eyes in paintings is caused by visual perception, not supernatural forces. The researchers found that changes in viewing direction had little effect on the observers' perceptions, except for making the torso look thinner when viewed from an angle.
Researchers are creating a system that allows computers to monitor the health and emotional state of users, using thermal imaging to detect vital signs. The goal is to create a two-way exchange between humans and computers, enhancing the user experience while preventing illnesses.
A survey of over 200 respondents found that more than half struggled to keep track of paper documents, losing them at least once a week, compared to electronic information. The study highlights the need for better tools to help people organize their information effectively, regardless of its form or location.
Researchers at the University of Illinois have developed a novel polyester lubricant called SHP that improves computer hard drive performance and lasts longer. The lubricant, which has good adhesion properties, shields the disk from damage during contact with the head, allowing for faster reading and writing.
The new software uses AI to identify aesthetically important elements in photographs, then distills them into a cubist composition. It has the potential to revolutionize animation production and create new forms of automated art.
The NIST guide provides practical techniques for extracting digital data without altering information or making it appear altered. It covers topics such as securing digital evidence, hardware/software operating systems, physical access, and retrieving configuration information.
Farid's algorithm uses statistical clues to detect tampering in digital images, making it harder for people to manipulate photos. The technology has the potential to prevent fake photos from influencing public opinion and trust, especially in news reports.
A new algorithm developed by USC computer scientist Mathieu Desbrun can simplify complex 3-D files into smaller, highly accurate meshes. This breakthrough facilitates the sharing and processing of geometric datasets in various applications, including animation, video games, and virtual museums.
The Virtual Haptic Back system uses a sophisticated haptic interface to simulate the sensation of touching a human back. Medical students can practice palpation skills on simulated backs, improving their ability to diagnose dysfunctions and address two major challenges in osteopathic doctor training.
The Wearable Low Vision Aid (WLVA) is a portable system that uses an infrared camera and head-mounted display to warn users of potential hazards. The device projects a warning icon onto the user's retina using an illuminated, vibrating crystal, alerting them to obstacles such as branches or trash cans.
Researchers at the University of New South Wales have mathematically quantified the emotional impact of music, finding that arousal is associated with loudness and tempo. The study used a two-dimensional emotional space to analyze subjects' responses to four classical musical compositions.
A new CAD system has been shown to detect 77% of computer-identified false positives, leading to more accurate polyp detection. The technology holds promise for increasing widespread colon cancer screening due to its ability to significantly reduce the difficulty and time required for exam interpretation.
A new computer technique has been developed to differentiate between malignant and benign calcifications on digital mammograms. The system achieved performance comparable to radiologists in classifying these calcifications, with a 79% accuracy rate in a test using one malignant case and one benign case.
A team of scientists developed a biological computer that can diagnose cancer and produce a drug to kill cancer cells in a test tube. The system uses pre-programmed medical knowledge and DNA-manipulating enzymes to identify cancer biomarkers and release targeted therapy.
Researchers found that using an escrow settlement model settles cases more quickly and reduces litigation costs by 37%. The study, published in the Journal of Economic Behavior and Organization, showed that 69% of cases were settled out of court using this method.
Researchers found that the ultimate speed of magnetic switching is at least 1,000 times slower than previously expected. The experiment's results have significant implications for future hard disk computer drive technologies.
A new electronic relationship between physicians and patients will enable seamless sharing of knowledge, responsibility, and decision-making. The growth of electronic communication options offers opportunities for enhanced doctor-patient relationships, increased patient safety, and improved healthcare outcomes.
Researchers at MIT have discovered that the human brain can recognize faces in blurry images when surrounded by contextual clues, such as a body. This finding has significant implications for the development of better machine vision systems and may also shed light on neurological conditions like autism.
The MIT 'Weird Fields' contest utilizes creative visuals to help students grasp abstract electromagnetism concepts. By exploring vector fields through interactive software, students can better comprehend the physics behind electromagnetic forces.
The Coalition Chat Line, a trans-lingual instant messaging technology, was successfully implemented at several US and allied sites in Iraq. The system enabled commanders and operators to communicate rapidly and reliably, even when speaking different languages, reducing costs and delays associated with conventional translation practices.
The Berkeley Lower Extremity Exoskeleton (BLEEX) is a wearable device that enhances human strength and endurance. The system combines a human control system with robotic muscle, allowing the wearer to walk, squat, and bend without reduced agility.
St. Philip Neri's team won the IEEE-USA national award with their communications system, which uses antennas and titanium microchips to transmit signals via bone conduction. The system was praised for its creativity and potential to become an asset for everyone in the future.
A new computer method called FamClash has been developed to predict the activity of hybrid enzymes, which are created by combining similar enzymes from different organisms. The approach identifies incompatible residue pairs that can lead to reduced enzyme activity, and provides valuable insights for protein engineering interventions.
Experts argue that electronic voting machines should print a paper copy of the ballot, allowing voters to inspect and verify their votes. The push for a 'voter-verifiable paper audit trail' aims to prevent machine errors and ensure election integrity.
Researchers at University of Toronto have developed a system that allows robots to navigate using their own unique sounds, generated by pre-recorded phrases played through elevated speakers. The system uses an array of stationary microphones to locate the robot on a virtual map and guide it around obstacles.
Professor Behrokh Khoshnevis has developed a new machine that can produce 3D 'printouts' in plastic and metal more quickly and cheaply than existing systems. The 'Selective Inhibition of Sintering' (SIS) process uses high heat to melt only selected areas, reducing energy intensity and cost.
CPOE reduces medical errors by improving communication and order tracking, but its use is hindered by implementation difficulties. Silent errors occur due to system design disconnects, including data entry and retrieval issues, and loss of face-to-face interactions.
The MIT team uses data mining to search for patterns in a large dataset, reducing the number of structures the computer needs to explore. This allows for more efficient discovery of new materials with desired properties.
Researchers found that male flesh flies radically move their heads while chasing females, but don't necessarily use the high-definition parts of their compound eyes. This unique visual guidance system could help engineers develop better detection systems for aircraft and artillery.
A new wireless device called Vital Dust transmits patient data to hospital locations, enabling medical teams to monitor vital signs in real-time. This allows for faster triage and prioritization of critical patients during mass casualty events.
The National Institute of Standards and Technology (NIST) has released an initial public draft of Recommended Security Controls for Federal Information Systems (NIST SP 800-53). The guidelines will become mandatory for most federal systems in 2005, with a wide audience beyond the federal government. NIST invites public comments on the ...
Rutgers-Newark has received a powerful computer grant, which will enable researchers to analyze brain activity more efficiently. The new supercomputing cluster allows for faster processing of massive amounts of data generated by human brain scans.
Researchers at Purdue University have developed a new scheduling method for electronics recycling that optimizes the flow of incoming products from storage to disassembly. By prioritizing large products with quick disassembly times, recyclers can reduce storage space needs by up to half and increase productivity.
Researchers at Cardiff University are exploring a new way to interact with computers using physical objects and acoustic waves. The project, TAI-CHI, aims to create giant 3D touch screens that can be used on any surface.
A four-year collaborative project aims to predict wildfire behavior using remote-sensing data and computer animation. The model will output a 3D 'movie' predicting fire behavior for the following hour, helping fire managers make informed decisions.
Researchers at UCSF successfully engineered a signaling protein to respond to novel inputs, mimicking the behavior of natural circuits. This breakthrough enables the creation of modular electronic components in cells, allowing for diverse circuits and behavior.
Researchers develop a programmable credit card that lets users set daily limits, restrict spending to certain days or establishments, and enhance security. The technology could benefit consumers, parents, and employers by improving financial management and reducing fraudulent use.
The MagiC VLIW processor is a revolutionary component that enables environment intelligence, allowing for flexible systems to interact with the surrounding environment. It has been successfully integrated into various applications, including audio conferencing and ecographic ultrasound scanners.
A new computer-based system, ACASI, was tested with Zimbabwean women, yielding more accurate data on key HIV risks. The tool helped overcome cultural issues and social desirability bias in face-to-face interviews.
Tuomas Sandholm's work focuses on constructing electronic marketplaces that lead to economically desirable outcomes. His research has led to significant savings for Fortune 500 companies, exceeding $300 million.
Dr. Och's system uses statistical models and parallel data to find the most likely translation for a given input, outperforming traditional approaches that rely on grammatical rules and vocabulary lists.
A computer vision study reveals that the brain processes facial recognition and emotional expression in linked neural pathways. The researchers developed a model that explains how humans recognize familiar faces and emotions, which can be applied to create more accurate face-recognition systems.
Researchers have developed a new method called kinetic visualization that uses colored dots and motion to present three-dimensional scientific or medical data. This technique allows computers to display data in a different way, providing shape information and attracting attention to important areas.
George Stegman has been awarded the R. W. Wood Prize by the Optical Society of America for his groundbreaking research in nonlinear integrated optics. This technology enables fast and efficient data transfer, potentially revolutionizing fields like medicine and computing.
A new nanoscale device developed by University of Wisconsin-Madison researchers allows for the study of individual electrons in detail. The device enables the observation of heat dissipation's influence on single electron transport, a crucial aspect of quantum computing and communication.
This article explores the use of computer technology to improve rehabilitation outcomes for individuals with spinal cord injuries, multiple sclerosis, and hearing losses. Studies demonstrate the effectiveness of neuroprosthetics, equinometers, brain-computer interfaces, telemedicine, and computer head controls in enhancing health, redu...